Fuel injector ticking. ACES IV addresses that (Fuel Additive).

Fuel injector ticking. com Free App Jan 9, 2003 · The SOHC KA uses hydraulic lifters. Doing the 24k on my own. There is a very loud clicking, almost sounds like electricity arcing. Mar 15, 2016 · Hi all, I have passed 1500 miles on my SRV6DC 2016 Tacoma. Fuel injectors are electronically actuated, and commonly make a ticking or buzzing noise when in operation. --- Thanks for your comment. unfortionatly i have neither the time nor money to have this done :-\ May 25, 2007 · so what's the cure for the fuel injector ticking? I did my valves today for the first time. What would causes a ticking noise in engine? Jul 23, 2010 · fuel injector ticking Ok so my 98 328i has just started to tick very loudly might i add, and i can feel it from the fuel rail. Is this true/ should i replace the Jan 1, 2021 · Diagnosing a ticking noise in a 2008 Jeep Rubicon 3. The customer may be hearing the noise of pump lifting piston inlet in piston seat in the high pressure fuel pump or the closing noise of fuel injector tips following injection. Fuel injector cleaning additives may help clean gummed up injectors. Aug 25, 2025 · 5. Cutting out during riding does bring up the spectre of your charging system having a potential fault as Apr 29, 2024 · The Radium regulator has calmed the ticking down. Jul 3, 2024 · When you notice unusual engine ticking noises in your Ford F-150, it’s often linked to lubrication system issues, such as low oil levels, worn valve lifters, or clogged valve lifters. Any ideas? Learn how to diagnose fuel injector problems with this guide. At first I was thinking its the dreaded Pentastar Failed Rocker tick Apr 12, 2013 · Finished my clutch install. Inspect fuel injectors for clicking sounds, which are normal but louder if clogged or faulty. Dec 2, 2023 · Experiencing a ticking noise in your engine when idle and accelerating? Learn about the common causes and how to troubleshoot them in this comprehensive guide. I cant really think of any other way to explain it, but my dealer spent 35 days and went to great lengths, even paying for dyno time at a contracted shop, to get to the bottom of the ticking noise described, and that was the verdict. While this noise is generally normal, a noticeable change in sound could indicate a problem. Jun 30, 2023 · You can’t hear fuel injector noise when driving, usually, this noise means something else like a misfiring engine ticking or some other engine problems that need to be addressed. The noise is from the fuel injectors firing (one injector per deceleration and not always the same injector) and is a normal function of the engine and calibration system. 2) Intake and especially exhaust valves are ticking against the valve seats because they have no cushion left from the fuel. that is a high pressure lubricant. DO NOT attempt to repair or replace any parts for this kind of clicking or ticking concern. Aug 28, 2023 · However, this ticking shouldn't be overly loud and if it is, it could be a sign that your fuel injectors are overworking for some reason. Some users have suggested checking the pulleys or catalytic converters as well. So just fyi, that's not an injector you hear. With the vacuum disconnected, it has 58. Then just tug the bad injector out of the fuel rail. Cleaner has been added to the gas a few Nov 10, 2024 · Fuel Injector Noise Dodge Hemi engines, like the 5. Ticking of the injectors is normal and you can drive without any worry. 6K views 8 replies 4 participants last post by melmount Jan 31, 2022 M Mar 3, 2025 · If it were me, I would check the oil level, things tend to get louder if not lubed properly. No more ticking for me. They said they could not find any leak, but said they did notice that they heard a clicking sound under the hood, and it sounded like it was the fuel injector near the driver side firewall. This is a Mazda engine built for Ford. While fuel injectors do make a clicking noise - you won't hear it out on a street. Jul 7, 2022 · When the rubber of this O-ring loses it’s elasticity or “cushiness” to absorb the vibration noise from the pintle going up and down (injector opening and closing), you hear the clicking sound more clearly compared to before. The injectors are tiny nozzles that are electrically actuated and can make a noise at idle that's as noticeable as tapping a sharpened pencil on a tabletop. Regular maintenance can prevent future ticking issues. Get expert tips, common symptoms, and troubleshooting steps to fix your car's fuel injectors. Using a mechanics stethescope the ticking is evident at all injectors as well as around the fuel rails. Fuel injectors ‘tick’ (normal). Not very noticeable when hood is closed but open it up and it is pretty loud. This noise is usually more pronounced when the engine is idling and may sound like a rapid ticking. A bad or clogged fuel injector can cause poor performance and even damage the engine if left unchecked. You should hear steady, consistent clicking as the injector cycles, indicating proper function. i just finished up the m50 swap. Also, fuel additives affect the glue that holds the injector together and the O-rings rubber. Like mentioned, yank the wire to each for a few seconds [while idling] to see if the noise changes. I used my stethoscope to isolate the sound. Dec 10, 2013 · No description has been added to this video. While fuel injectors are a common suspect, the noise could also stem from a bad rocker, piston slap, wrist pin knock, or even the clutch. Some people say the high pressure injectors are just noisy, but this ticking is pretty loud and without a stethoscope I can't pinpoint it. You can hear the injectors by themselves in the following video as they are being bench tested in a shop. ACES IV addresses that (Fuel Additive). if anything the ticking goes away when rpms go up. Oct 26, 2016 · The ticking noise is seems to be coming from near the top of the engine, and always on the passenger side. Jan 29, 2022 · Ticking clicking noise injector? Jump to Latest 6. Looking for recent topics? Fuel injector ticking 7 posts • Page 1 of 1 iziris Senior Member Posts: 313 Joined: Fri Feb 09, 2007 10:04 pm Oct 8, 2013 · so i have a 2011 gmc sierra regular cab short bed, 4x4 with the 5. All sounded normal. No repair is necessary to remedy this condition. I used my stethoscope, and found the ticking to be really loud in the fuel rail at the front passenger side injector. How to check, test, clean fuel injectors, common faults, simple video. also there is this hissing sound coming from the very back fuel injector. I also bled the fuel system completely and put in new plugs (NGK 97506 gapped to . 5L Does Mar 26, 2010 · I just joined this forum (this is my first post) because my wife's Highlander was making a ticking sound from inside the console and wanted to figure out what it was. Apr 22, 2025 · Learn the signs your fuel injector needs replacement. It's pretty damn quiet. I had a similar sound and it turned out to be all of the spark plugs being loose. Dec 16, 2008 · The clicking sound is the fuel injectors pulsing on and off under higher fuel pressures. Act early to keep your engine running smoothly. I have a ticking sound. I found a lot of history with the old v6 having noisy fuel injectors but nothing out there for the 2015 3. The odd thing was the ticking would subside once the engine warmed up. 6. Jun 21, 2013 · The clicking sound is the fuel injectors pulsing on and off under higher fuel pressures. 2L Ticking - Hey guys, I'm looking at this truck and I'm hearing this random ticking sound in the video: Is the tick everyone is talking about? Or, what is it? Jul 14, 2009 · An injector will sound louder when the engine is cold because it is dumping more fuel than when at operating temperatures. Keeping an eye on fuel system performance can help catch issues early. Fuel Injector Noise Fuel injectors can make a ticking sound as they operate, especially in direct-injection engines. A worn or stuck injector can make a ticking noise, especially when it fails to open and close correctly. 0T to compare for yourself is the best way to determine. It's normal!! Mine do the same since day one!!! Sent from AutoGuide. This noise is usually normal, but if it becomes excessive, it might indicate a problem with the injector itself or the fuel delivery system. , but still really loud with stethoscope. 0 Coyote engine been making a ticking sound lately? Do not worry - you're not alone! It seems like many Mustang and F150 owners are having this same issue, wondering where the ticking noise is coming from. If that doesn’t help, maybe pull up some data on FORSCAN as far as your fuel pressure and fuel injectors data since you said it it happened after the DPK install. Haven’t noticed this clicking/ticking sound before… not sure if I’m being paranoid and this is normal, or possible bad fuel injector like others have experienced. :yes: Congratulations on the new car and welcome to DA. The noise is caused by fuel injectors operating under high pressure. 5. After 10 minutes or so it gets quite. This is generally considered normal, but if the noise becomes louder or more pronounced, it could indicate a problem with the injectors themselves. 4 Hemi, have fuel injectors that produce a ticking sound as they operate. Do fuel injectors click if they are Nov 8, 2012 · Maybe you can try a fuel additive that provides UCL? I use fuel treatment with every tankful of gas in my vehicles now. Dec 12, 2008 · Your ticking from the injectors would have been there from new, injectors are small solenoid valves that pull back on a small plunger to allow fuel flow, you are probably paranoid about the exhaust tick and your blaming it on them, they do click, if they don't, something is wrong. Fuel injectors can make a ticking noise but typically you would think a code would follow. my car hesitates alot and lacks the performance it should have. Nov 2, 2023 · Possible Causes of Ticking Noise: Low Engine Oil or Low Oil Pressure Exhaust Leak (Usually Around the Exhaust Manifold) CV Axle Valve Train (Lifter, Rocker Arm, Cam, Pushrods) Bad Fuel Injector Aug 1, 2024 · 1999 - 2016 Super Duty - 2015 F250 6. Jul 3, 2024 · Faulty fuel injectors can also cause ticking noise in diesel engines. Aug 16, 2024 · I went ahead and replaced all of the injectors with EU5s (Bosch 13647599876) and installed an IDF750 fuel filter + lines to hopefully prevent this from happening again. Aug 10, 2017 · After I fixed them, it is still ticking. Takes about 20 minutes of idles for it to go away. Here is link to video of it. Gas direct injection engines have a distinct ticking sound from the high pressure pump driven from the camshaft. The sound of the fuel injector ticking is your engine doing its thing more often than not. This sound occurs when the internal solenoid inside the injector struggles to open and close the valve correctly. Misfires, poor mileage, rough idling, and more. 6K views 8 replies 6 participants last post by t107321 Aug 13, 2023 TJ2 Discussion starter Jan 7, 2022 · Just like a diesel engine, newer petrol engines have direct cylinder fuel injectors for improved power and economy, and they make that clicking noise. Like the ticking sound, it also will decrease in intensity as the engine warms. 3 truck has 35k on it. Updated fuel main tube and fuel tube clamps are now available. Fuel Injector Noise Fuel injectors can also create a ticking sound, especially if they’re functioning properly. It's an 01 530 with about 80,000 miles. And valve tap is much louder than injector ticking. Jul 30, 2024 · The rhythmic ticking sound emanating from your engine can be a cause for concern. Discover JLM’s solutions to keep your engine running smoothly for less. I cant imagine this is normal? It varies in that sometimes its not too bad and others If you have replaced the TCT and adjusted your valves it's probably noisy injectors. It seems like its coming form the passenger side rear cam cover area, closest to the firewall. It will disappear or become almost impossible to notice when accelerating at high speeds. Local mechanic wasn't willing to tear into it, so went to Ford. While this noise is often normal, an excessively loud ticking could indicate a problem with the injector itself. 4 started ticking from the right valve train a few thousand miles ago, loud enough to sound like an exhaust leak, but it was definitely coming from the valve train. 3) Cam Phasers Ticking The 3. 022"). Regular oil changes with proper viscosity help reduce lifter noise. Jul 23, 2022 · Listen to another 3. May 10, 2010 · 1987 - 1996 F150 & Larger F-Series Trucks - Question about possible fuel injector ticking sound - I went ahead and replaced all the fuel injectors this weekend (96 351W)with refurbs from the Lucky 7 guy on eBay who I heard about on here. between 1500-2500 rpm) and the engine try to stall out when the throttle is released. May 19, 2006 · Originally Posted by Rags Sounds like it could be fuel injectors ticking, That is normal if you can only hear it when the hood is open and at idle. Jul 19, 2024 · Fuel injector ticking can be an annoying issue, but it is often fixable with proper diagnosis and repair. Jan 20, 2005 · Re: Fuel Injectors ticking LOUD? They might be installed wrong. In this blog post, we’ll explain what causes a fuel injector to tick and why it’s not usually something to be concerned about. Nov 7, 2015 · Engine ticking noise caused by Gasoline Direct Injection components Newer GDI engines have different fuel injector styles, and these fuel injectors make an engine ticking noise, especially on cold start-ups. By following the steps outlined in this guide, you can effectively silence the ticking and ensure optimal engine performance. 3L. No noise, intermittent clicking, or a difference with other cylinders likely means you have a bad fuel injector that needs to be cleaned, repaired or replaced. Apr 19, 2025 · Generally, injector noises are very consistent injector to injector, so expect I hear a consistent level through the whole 6 cylinder getting fuel. This happens when an injector is stuck open and continually injects fuel into the cylinder rather than opening and closing. I've been searching for anyone else experiencing a tapping in the engine that makes the truck sound like a diesel. The injectors will sound like a small solenoid. May 1, 2025 · The Causes of Engine Ticking For example, fuel injected engines can make a car ticking from the injector’s firing. The downside is this means your V6 engine as 12 injectors. If there’s a fuel leak, mechanical problems, or the injectors are not sending the appropriate amount of fuel needed in the combustion chamber, it will cause a ticking, clicking, or knocking sound along with engine misfires. Fixing that ticking noise in the engine? It’s not as bad as it sounds. GDI injectors are mounted to inject gas directly into the cylinder instead of in the intake manifold. Learn what to check and when to consult a mechanic. Sep 19, 2023 · Fuel injectors are responsible for the atomization of fuel, breaking it down into fine particles that can be easily combusted by the engine. If an injector isn’t delivering fuel evenly, it can cause the cylinder to misfire or run lean. There was a slight ticking noise from the engine. Aug 8, 2025 · Fuel injectors can also produce a ticking sound as they open and close to deliver fuel to the engine. Just in the fuel rail. and there is plenty of videos on rocker arm failures and the ticking noise, but even on relatively new penestar's you hear some fuel injector tick (or other Mar 12, 2023 · GDI ticking is normal, even when warm. If your vehicle is making an unusual ticking, clicking, rattling, or knocking sound, especially from the engine bay near the intake manifold or fuel rail, a faulty or failing fuel injector is a prime suspect. Read the bulletin re fuel injectors, but that didn't seem right based upon the sound. Two months later it has became worse and louder. I cannot hear the ticking (with the stethoscope) in the block, head, or valve cover. So, if the battery is more than 2 years old, I'd have a strong look there as the culprit. Aug 18, 2022 · Engine function difficulties and fuel injector ticking can result as a consequence. Fuel Injector Noise Injectors at Work Fuel injectors can also produce a ticking sound as they open and close to spray fuel into the combustion chamber. Mar 28, 2025 · Fuel injectors can also create a ticking sound as they open and close to deliver fuel to the engine. Look forward to any and all information. Valve adjustments may be needed for worn or clogged lifters. Timing Chain or Belt Issues: If the timing chain or belt is loose or worn, it can create a ticking noise. Usually not presemt at startup but rather after driving for a bit. Jul 29, 2025 · This will be the best-case scenario for engine ticking. And took the car for a spin (2g gst)car has some hesitation. Why is my fuel injector ticking? If this question is bugging you, read this guide to find out the causes and effective repair methods. let of the gas and the ticking comes back in as the revs drop and goes back to its happy little Jul 14, 2025 · Explore causes and solutions for a ticking noise coming from your engine, and learn when to seek professional help. After adjusting there was a noticeable ticking sound that wasn't present before the adjust. When the temp drops down into the teens, it's really loud at start up and then quiets down while driving. A ticking sound in the Jeep Grand Cherokee V6 can stem from lifter noise or fuel injectors. Fuel injectors are small electrical valves that make clicking and ticking sounds when quickly opening and closing at idle. Oct 21, 2014 · The rapid ticking noise on cold start up is the fuel pump building up high fuel pressure. Because the gas is injected during the compression stroke, they operate at a much Dec 12, 2009 · With a bit of a rev the pattern goes: Ticking injector at idle, give it a little gas and ticking increases tempo until about 2,300 rpm when the ticking goes quiet and I assume this is when the injector is working at full open or something like that. New plugs and wires, fuel filter, air filter was done when I bought it. Any thoughts? Mar 22, 2022 · Fuel injectors are used in all modern engines, and are a vital component in the fuel management system. « Previous Thread Next Thread » How can I get rid of fuel injector ticking? The fuel injector opening will create some degree of pressure change and this will affect all fuel lines on the high pressure side, soft or hard. The clicking sound is the fuel injectors pulsing on and off under higher fuel pressures. In particular, if the fuel lines are mounted directly to the firewall or even the floor, the result can be loud ticking that can be heard in the passenger compartment. 8L engine can be tricky, as multiple components could be the source. Aug 1, 2025 · 4. – Cleaning: Dirty injectors can lead to poor performance and increased noise. Mar 25, 2025 · Fuel injectors click as they open and close to deliver fuel to the engine. It increases with more the RPMs. The primary (only?) purpose of the port injectors it to make sure fuel is passing over the outside of your intake value and keeping it clean. Nov 14, 2009 · I have this ticking noise that is louder than the injectors. DO NOT attempt to repair or replace any parts for this kind of clicking or ticking noise concern. Rhythmic Ticking: This is a rhythmic ticking that can be heard during deceleration. This noise is usually normal, but if it becomes louder or changes in pitch, it could indicate a problem. Here is a list of the 8 most common symptoms of a bad fuel injector and the replacement cost. Mar 30, 2005 · Fuel Injector Ticking? I installed bosh injectors in my 1990 and they work fine. 7 Hemi and 6. seems to be coming from my fueling injector #2. its not a knock, like a sticky lifter and does not get louder when the rpms go up. Nov 24, 2023 · I'm trying to distinguish between regular fuel injector ticking noise vs eminent rocker arm failure noise. Apr 13, 2010 · I have been hearing a ticking noise when my engine is running coming from the drivers side only and I took it to a shop which was confident in saying it was most likely just my fuel injectors being noisy and nothing will come of it other than annoying sound. Can fuel injector make ticking noise? The answer is yes, and understanding the causes and solutions is crucial for maintaining a healthy engine. While I was in there I replaced the valve cover gaskets and tightened up the Feb 18, 2012 · 1) the injectors make noise due to lack of lubricity in the fuel. Damaged Fuel Injector Fuel injectors open and close rapidly to spray fuel. Aug 17, 2015 · The fuel injectors operate using extremely high pressure ratings to create the appropriate spray pattern. But like any … Jun 23, 2023 · Faulty Fuel Injectors Dirty or faulty fuel injectors can cause a clicking or ticking sound during idle. 6 recently hit 138,000 miles and. Feb 17, 2023 · Dirty fuel injectors can lead to a ticking noise in the engine because they can lead to misfires producing a ticking noise. Apr 25, 2025 · Why is my fuel injector ticking? If this question is bugging you, read this guide to find out the causes and effective repair methods. While it’s common for engines to produce some noise, a persistent ticking can indicate an underlying issue. Aug 1, 2025 · Fuel injectors can create a ticking sound, especially in direct-injection engines. Check for low oil levels or dirty oil causing lifter wear. Oct 28, 2024 · If the ticking noise comes from the fuel injectors and your car has no performance issues, it's likely nothing to worry about. If no clicking sound is apparent from one injector, it is likely bad and requires replacement. Earlier this year, I did an experiment and ran a couple of tanks with treatment and then without treatment, I could hear the difference in the injectors, without it, the clicking/tapping was very audible. Listening to it, it sounds like it is coming from around the #2 fuel injector. Then gently apply pressure to the fuel rail and pull outwards. Granted the valves were too tight prior to the adjust, I couldn't slip a feeler gauge in. And SOHC lifters can make a lot of noise if they are dry. Nov 30, 2023 · Learn about the common causes of ticking noise when accelerating, how to diagnose it, and possible solutions to fix the issue. Has anyone here experienced a bad fuel injector as the source of the ticking noise? Thanks for your help! Tom 2012 Ram Quad Cab Express 4x4, 73,400 miles, owned since new. A bad fuel injector will wreak havoc with how your May 19, 2018 · There are actually 3 different videos of my fuel injectors on the channel but this link shows them in slow-motion with 2 throttles. Sep 24, 2023 · Lifter Tick vs Fuel Injector Noise Injector noise has a distinct, higher pitched “buzz” or “click” vs the lower pitch of lifter tick Injectors are louder and more noticeable at idle while lifters tick more under acceleration Lifter Tick vs Rod Knock Rod knock is a loud banging or hammering noise from a damaged bearing rather than soft 2004 - 2008 F150 - To those of you with ticking 5. If an injector is clogged or malfunctioning, it can cause a rhythmic ticking sound, especially when the engine is cold. Exactly. Dec 2, 2023 · My 2023 Kicks is only 6 months old and after about 4 months the engine started to have a loud ticking noise. Though you can hear fuel injector noise when accelerating at low speeds, the fuel injector ticking noise is more noticeable at idle. My '22 Kona has been ticking for a while. The noise is usually, but not limited to, heard coming from around the passenger side of the vehicle. A misfire occurs when the combustion chamber’s air-fuel mixture is not properly ignited or burns unevenly. Dec 16, 2013 · Some customers with 2004-'05 model year RX 330 vehicles may complain of a "ticking" noise from the engine compartment when the engine is idling. But replace any injectors that are stuck open or Dec 17, 2024 · Fuel Injector Tick: Ticking noises can also originate from the fuel injectors. engine seems to be miss firing at idle and the exhaust smells rich. A more critical problem that would cause a ticking noise can be associated with a piston slap. Learn the causes and symptoms of fuel injector problems and how to fix them. I'm kicking myself for not paying attention when I bought it (new), but after pouring through reddit and online forums, I'm worried I have the "tick of death". May 25, 2005 · My wifes RX-300 has a fuel injector ticking(I beleive this is the issue!), when first started now that the outside temps are in the 20's & 30's F. While this is a normal operation sound, it can sometimes be mistaken for a ticking noise. This sound is a normal characteristic of Direct Injection Fuel high pressure fuel system. Aug 8, 2025 · 4. Jan 6, 2025 · One of the most common sounds associated with a failing fuel injector is a repetitive ticking or clicking noise. (engine rocks back May 6, 2025 · A ticking noise can also typically be heard from an engine’s fuel injectors. As a matter of fact, the ticking really Mar 14, 2023 · The fuel injectors play a vital role in the engine. This noise is usually normal, but if it becomes excessively loud, it might indicate a problem. Nov 12, 2015 · The ticking sound is a result of the self-cleaning direct fuel injection systems activation and is a normal characteristic of normal system operation. Fuel Injector Noise Fuel injectors can make a ticking sound as they operate, especially in high-performance engines. You can see the hesitation in the early part of the throttle (approx. 5 EcoBoost is equipped with VCT (Variable Camshaft Timing), a system designed to make your engine more efficient and to ensure better performance. Does it increase with engine RPM? RP Zach Reply 0 Apr 24, 2016 · I recently bought a 94 Ford Ranger XL 2. Loose spark plugs (not normal). The 30 second mark towards the end of the video is at idle rpm. This sound will propagate down the common fuel rail so that the sound isn't fully localized to one location. Check your oil level and pressure to verify they meet recommended specs. May 14, 2006 · my injectors click as well i ran seafoam though the fuel system and the ticking went away for about 3 days i wonder what a really good cleaning would do to the injectors. Jun 6, 2025 · Learn what a Hemi tick is, its causes, how to differentiate injector vs lifter ticks, prevention tips, repair costs, and fixes to keep your Hemi engine healthy. If an injector is clogged or malfunctioning, it can produce a ticking sound as it struggles to operate correctly. The Hemi fuel injector tick is generally harmless and part of the normal engine operation, but it can be mistaken for more serious issues. On my 99 PSD I had a programmer which switched up the tune on the fly. Sep 18, 2010 · 1987 - 1996 F150 - fuel injector tick - i have been noticing a ticking sound lately when accelerating, i have narrowed it down to the injectors, is it normal for them to tick or is there something else wrong? Feb 5, 2025 · Learn how fuel injectors work and why they are important for regulating the fuel and air mixture in your vehicle's engine. Mine has particularly noisy fuel injectors. The Bosch regulator seems to have calmed the fuel system down. . I believe its coming from outside, although It sounds like something on the passenger side. They confirmed Ticking sound? Normal fuel injector ticking sound or Knock? 1st Video cold start 2nd Video warmed up (1st 0:00-0:10) (2nd 0:11-0:26) Sep 29, 2011 · The ticking described sounds like the fuel injectors which on these truck is VERY high pressure similar to that of a diesel. I bought a mechanic stethoscope and found the noise was coming from two or more of the fuel injectors. Jan 10, 2009 · I just noticed a rather loud ticking sound from my engine. While this is generally normal, if the sound becomes louder or changes in character, it could indicate a problem. Key features and my opinion about the engine Production years: 2011-now Average lifespan of Coyote: 280,000-310,000 miles Fuel supply type: port injection, later - combined Causes of engine ticking Normal wear We put this one at the top of our list because it's the most common source of engine ticking: Fuel injection can make a ticking noise. The fault is in the AFM (active fuel management) lifter, which can be disabled by engine management to make the engine more fuel efficient. Rocker Arm Wear I need help with identifying what I need to do to fix a ticking sound that I found in my fuel injectors. Aug 21, 2022 · The clicking sound that's heard on start-up is nothing more than the fuel injectors pulsing on and off under the high pressures from the mechanical pump. The sound is very loud when I start the car cold. 5 PSI and the injectors are louder. No more lead (obviously gone since Jan 1 1986) and not even any sulfur…. It's going to the dealer tomorrow (Don't mind my Jan 14, 2025 · Fuel injectors are the unsung heroes of your car’s engine, quietly working behind the scenes to deliver just the right amount of fuel for smooth, efficient performance. The solution Toyota came up with is to have 2 sets of injectors: as set for direct injection and port injection. Jun 20, 2013 · The injectors in the Hemi's with MDS "tick" when the fuel in the rail bypasses the injector because its closed. These sounds are the results of a normal direct injection fuel system operating properly. With the vacuum reference hose on the fuel pressure regulator connected, the fuel pressure at idle is 51 PSI. Try starting a freshly built SOHC motor and you'll know exactly what I'm taking about. The Radium fuel pressure regulator is small. 2008 Honda Accord 4 cyl fuel injector making ticking noise Mechanic's Assistant chat Customer: Is the fuel injector on my 2008 Honda Accord with a 4-cylinder engine making a ticking noise? Aug 15, 2011 · To take the injectors out, you slide the red tab back, push in, and the electric plug pulls right out. This is basically the valves of the injectors that are quickly opening and closing in order to allow the proper fuel amount to enter the internal combustion chamber. Dec 3, 2022 · Fuel injector ticking noise Jump to Latest 5. You can also check the resistance reading with a simple voltmeter. 4 days ago · 4. 4L motors - My 2004 5. Misfires occur when the air-fuel mixture in the combustion chamber fails to ignite or ignites at the wrong time. Jun 26, 2024 · When the fuel injector is unclean, the engine will misfire, making a ticking sound whether the vehicle is idling or being accelerated. One potential culprit is the fuel injector. Post what you bought so the board can answer your questions easier. more Sep 13, 2025 · Discover what causes a ticking sound in the engine, from valve issues to oil flow, and how to address these problems effectively. Feb 2, 2025 · How To Fix Ticking Noise In Engine? To fix the engine ticking, start by checking and changing the oil. Aug 25, 2025 · Discover effective methods to stop ticking noise in your engine, identify causes, and ensure your vehicle runs smoothly. Unfortunately, adjusting them did not lessen the noise. When the engine warm-up is completed, the high pressure fuel pump will continue to tick at a lower rate of approximately one tick per second during idle. A valve hitting the seat real hard will sound a bit deeper and Jan 30, 2025 · 3. When placed at an angle for the boxer configuration, injectors have to work extra hard to send fuel jetting into the engine at the proper rate. Is Fuel Injector Ticking Normal? Have you ever experienced a ticking noise coming from your car's engine and wondered what it could mean? In this insightful Engine loud tickingAll times are GMT -5. Apr 18, 2014 · Did you buy the I4? A Direct Injection engine (DI) has higher pressure injectors and will "tick" louder. If that doesn’t help, inspect the lifters, fuel injectors, and exhaust for leaks. I only hear it at idle. Faulty Fuel Injectors Fuel injectors deliver fuel to the engine’s combustion chambers. Certain model cars with a fuel injection system will have ticking sounds whenever the fuel injectors start firing. Dirty fuel injectors can also cause poor gas mileage, rough idling, and reduced engine power. The time now is 11:43 AM. Jan 3, 2025 · Hi all, My 2014 Grand Cherokee 3. Fuel injector issues can also cause ticking noises, so inspect them for wear Sep 26, 2014 · I'm getting a fast, almost fuel injector sound ticking that comes ago as if it were a flick of a switch. Exhaust Leaks 7. If ticking persists, have a mechanic test fuel injector pulse and engine Nov 20, 2013 · Had my car at the dealership to check on a possible coolant leak. I did the screwdriver stethoscope trick to the injector and sure enough, the ticking was very Dec 17, 2022 · Has your 5. Bad glow plugs, fuel injectors, old engine parts, bad or sticky lifters, rod knocks, and dirty or low engine oil are the common causes of diesel engine ticking noise in your truck or SUV. While this is often normal, a loud or irregular ticking may indicate a problem. Could be the lifters but I doubt it. Every time I pulled mine, the injectors stayed attached to the rail and popped out of the intake manifold. I am hoping someones expertise can help me out with my next repair. (or at Mar 10, 2011 · My ticking noise was a bad fuel injector and the spark plug at that bad fuel injector was backed out to it's last thread and was fouling out. The ticking sounds similar to a lifter but a little more tinny. It has 8,000 miles on it and I only run 93 gas. To echo Spudea's comment, when I first got my zxt, I thought my valves needed adjustment because of the loud ticking noise. May 22, 2013 · Its the high pressure fuel pump and injectors that do that ticking noise. What causes a ticking sound in the engine? Feb 28, 2011 · It sounded much more than injector tick and I couldn't feel any exhaust leaks on the manifold connection. Injector problems often include -less- clicking on the affected injector. Jul 7, 2022 · Fuel injectors can be checked for proper function by turning on the engine and listening for a distinct clicking sound, which should be produced by each injector. I however have a ticking that seems to come from the area of the injectors. Does this ticking mean the injector Jun 25, 2018 · See common causes of engine ticking noises including low oil pressure, spark plug issues, and exhaust leaks. 5 days ago · Fuel Injectors: Fuel injectors can produce a ticking sound as they open and close rapidly to deliver fuel to the engine. Sep 12, 2025 · Discover what causes a ticking noise in a car engine, common issues, and expert insights to keep your vehicle running smoothly. when i start the truck at idle I can hear a light taping noise. Feb 28, 2014 · The clicking sound is the fuel injectors pulsing on and off under higher fuel pressures. I replaced the injector, but it is still ticking. How to Diagnose: The ticking sound may be accompanied by poor engine performance or reduced fuel efficiency. I pulled out the automotive stethoscope (great cheap tool btw) and started listening to the valve cover for lifter noise, then the exhaust manifold gasket areas, then the injectors. 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