Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. Regards Its plastic, so you dont want to pry on it or you may break it. i have a 2013 kia forte, the check engine light came on and, the car does not have an engine problem. Were the loom turns behind the engine there is a metal bracket which supports the connectors to the two oxygen sensors. Another possible problem that can cause misfire fault codes on only one side is low compression. This is a repeat of a problem I had about 2 years ago which was never diagnosed but cleared itself which is always a bit unsatisfactory Initially the symptoms were very noticeable and made the car difficult to drive, then progressively improved during the 10 mile journey home and are now just annoying. Any advice is welcomed. Turbo engines require more maintenance than the average engine. In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. That being said a few things to watch out for. I have a golf 6 TSI model 2010, I changed new spark plugs, ignition coil and spark plugs cables but the car still misfires at times but not always. If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. When it reaches normal speed it quit shaking. 9. Yes. According to . 2013 Ford Escape - Turbo failure - Car Talk Community If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. Is it Safe to Drive With a Misfiring Engine? - YourMechanic Seriously you need to find a different garage. As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). Spark plugs should be replaced on a schedule for all car models, and not replacing them on time can cause fouled spark plugs, which can cause misfires. Symptoms of 2.0L EcoBoost Coolant Intrusion. @GARY MASSEY Leave a comment and inform us! Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . However, you have some control over how well the twin turbo EcoBoost engine is maintained. Ford 3.5L EcoBoost: Engine Failure - Tomorrows Technician You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. This is primarily a problem with first-generation engines. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. Ford 2.7 EcoBoost Now Problematic If you notice any of the signs or symptoms of a misfiring engine, get them checked out by a professional as soon as possible. Any no improvement. Hi, Magnus i read your instructions, i own a vw tourage 2008, according to the trouble codes i got from dtc the engine has a misfire on all 6 cylinders, and random misfire, one thing that i wonder is that the engine sounds smoothly well tuned, the check engine light is on, I'm replacing the spark plugs they are dirty and according to the a page that i found in Google the gap should be. Now the symptoms are less noticeable there are no codes. The fuel injectors supply the combustion chamber with the correct amount of fuel for each cylinder, and there is usually a separate fuel injector for each cylinder. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. Within about 5 minutes of leaving the pump the engine was struggling. Key Points. John, thanks for your reply. runs rough, no white smoke, no water in oil. Connect a fuel pressure gauge to the fuel rail and start the engine. Zain from S.A, I have a bmw e30 320i 1989. The 3.5 liter twin turbo V6 engine was then integrated into a variety of other Ford and Lincoln models over the next few years. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. Thx, My toyota vitz 2nz engine still misfiring even after puting new plugs wat can b the problem. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. Blog : Stratified Automotive Controls As a result, symptoms such as fault codes, a rough idle, and stuttering may occur. If the problem occurs repeatedly, the engine control module will illuminate the check engine light to let you know that something is wrong so that you can have it repaired. Ignition components can produce a wide variety of symptoms and drivability issues, so dont overlook simple spark plugs or coils. Dave thanks for your reply and suggestions. Hello allhopefully I'm not regurgitating info herebut since my searches led me to different bits and pieces of my solution, I figured someone else might benefit from it all being condensed into one place. 3.5L EcoBoost - Cold Start Ticking/Tapping Or Rattle Type Noise - Built On Or Before 31-Oct-2019 20-2315 14 September 2020 This bulletin supersedes 20-2191. 7. If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. Had a slight misfire so I changed Spark Plugs and Coils. Carbon deposits accumulate over time and obstruct airflow into the cylinders. My thinking is at low absolute loads the target fuel pressure is relatively low so the PCM is looking at the low range sensor, however this is at a constant 5 volts (no pressure conversion on my scan tool) which sounds like top scale, so the PCM thinks it needs to shorten the injector pulse width. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. With the retaining the ignition coil plug unplugged and the retaining bolt removed, you can now pull the coil straight out of the hole. Please register or login to enable Dark Mode. Up Next: Ford 1.5 EcoBoost Engine Problems: The 4 Most Common Problems. If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. Additionally, Ford did an excellent job with the second-generation 3.5 EcoBoost in addressing some of the issues. Last thoughtI've still yet to test it towingneed to know whether I'll still have to play the game jumping between 4th and 3rd depending on the incline. Some 2011-2012 F-150 models equipped with a 3.5L EcoBoost V6 engine may exhibit an intermittent stumble and/or misfire on hard acceleration after an extended drive at highway speeds during high humidity or damp conditions. This disturbs the air-fuel mixture, which may result in the 3.5 EB misfiring. Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. Truck ran pretty good even picked up about 1.5 mpg, then the last couple of weeks it has become a tired dog. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. I wasn't very succinct with my summarybut yes, I agree fully with Bravo and Whoand yes, when I have it to do again, I'll never own another boosted motor. The worst condition of exhaust and converters. TuningPro.co is owned and operated by 8020 Media. Pasted as rich text. However right now this is what I've got since I wanted to spend $20k not $35k. Once the carbon deposits become excessive, walnut blasting the intake ports may be necessary. Ford did an excellent job of addressing these issues once they became aware of them. plasticpat Ford F-150 P0303 - Meaning, Causes, Symptoms, & Fixes Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Manage Preferences -
I took it back home since I didnt have $3000 at the time and on a gamble went down to the auto parts store and bought the tools and spark plugs to swap the plugs out. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. The last number represents the cylinder that is having the misfire. Just a theory. My scan tool isFoxwell NT530 Full Systems Scanner for Ford, which is a small stand alone hand held unit with access to all vehicle modules. Or are there two circuits in the fuel rail pressure sensor? Hi guys Posts: 3. The smaller twin turbochargers are quick to spool and deliver a significant amount of low- and mid-range torque. Here is a more detailed list of the most common cause of engine misfires: 1. The plugs should be fine, then. March 10, 2022 in General Ford Related Discussions. If I do, Ill update this page. Inject not getting fuel , so cylinder does not fire , so get misfire code. Ryan jones I bet that your actual problem is the spark plugs. Change the oil on time, use high-quality oils, and address issues as they arise. This is a repeat of a problem I had about 2 years ago which was never diagnosed but cleared itself which is always a bit unsatisfactory Initially the symptoms were very noticeable and made the car difficult to drive, then progressively improved during the 10 mile journey home and are now just annoying. The dielectric grease will help seal out any moisture, dust or debris and ensure a reliable electrical connection. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. Ford 1.6 Inline-4 Timing Belt Change. READ MORE: 6 Symptoms of a Bad Ignition Coil (& Replacement Cost). But with all the added power I'm experiencing, as well as the renewed tranny response, I have to figure that will all carry over to making towing easier. Update, car is back from the garage without a diagnosis. An old trick that mechanics often use on car engines with separate ignition coils is to switch the spark plug and ignition coil to another cylinder. I did not find any evidence of carbon tracking on the plugs I removed. If it did, you know its a problem with either the spark plugs or the ignition coil, and you will want to replace all the spark plugs and the ignition coil on that cylinder. The engine started fine and has been driving perfectly for over a week now. Hi Iam driving corsa 1.6 gsi 2002 model, the engine it's got hard start and badly sound idling, need to be rev for idling, when I leave rev cable, the engine loose the idling gose off, again on the spark plugs no1 and no2 there's spark but doesn't ignit the fuel mixer, I don't know what's problem. The engine control module monitors the crankshaft rotation speed with the crankshaft position sensor, and if the speed does not increase slightly on a cylinder after the combustion, it means that the engine is misfiring, and a trouble code will be stored. However, because carbon build-up occurs over time, it is frequently difficult to detect. Has been a great explanation about the theme. This can lead to a variety of engine performance issues and can even lead to serious engine damage if left untreated. 1. Push in the red plastic lock tab to secure the power plug. Poor Performance. 2012 Ford F-150 Engine Missfires Under Hard Acceleration However, be very careful when doing this and have a fire extinguisher ready. Slide the electrical connector straight back into the socket until it clicks securely into place. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. Started August 19, 2022, By Symptoms The signs of a leaking turbocharger system start with a lack of power or random misfires. P0300 - this trouble code indicates that there is a random misfire. Here is a look at (2) of the spark plugs that I removed. RyanP2023 Ford introduced the 3.5-liter EcoBoost engine in the Lincoln MKS, MKT, Ford Flex, and Taurus SHO in 2010. If the check engine light is on, there should be a trouble code stored that needs to be checked with an OBD2 scanner. The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. Remove the plug on the ignition coil of the cylinder youre working on. With a false high fuel pressure this leads to lean running and the fuel trim controls ramp up to compensate. . Paste as plain text instead, Even if you think it will be very expensive to take the car to a mechanic, it can actually sometimes be cheaper to get a proper diagnosis rather than replacing fully functional parts. Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. or my ECU ? Ford F150: Bad Spark Plugs Symptoms and Diagnosis Again, the 3.5 EcoBoost is an extremely reliable engine in general. The garage needs some thinking time so they haven't physically worked on it in the last few days, I need to chase for updates. This video may help. This is a lot of Ford and Lincoln EcoBoost engines. The loom runs below this bracket and in my case there was a rusty stain on the loom. 165k miles #1 cyl misfire code. There Can Be Damage To Different Parts Of The Motor. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. Car wont move after CV Joint replacement. Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. Aug 11, 2020. 1. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. Hi I have a 61 ford falcon 6 cyl has a miss fire under load new coil, plugs, wires points cond, dist, all cyls fire, My 206 puegoet starts up fine from cold drives 100 percent problem is when it gets hot will drive it when I switch it off and start it up get miss fire and loss of power so I have to switch it off and start it up after a few tries it's gets back to normal even though the car is hot. The low side fuel line appears to be plastic and has a small, sealed device, possibly a damper, no connections or wiring for a sensor, must be a model or year variant. I have to admit I'm pretty fed up and disappointed with the ecoboost. Best regards, Great helpfully web site. Any thoughts, is the fiesta 1.0 ecoboost prone to wiring loom faults, ecu faults, multiplug pin corrosion, water getting places it shouldn't? The updates aid in the support of increased power and torque. Before delving into 3.5 EcoBoost problems, its necessary to establish some context. In many ways, its the best of both worlds, as DI has numerous advantages over PI. I am having same issue. Each of the wires on the HP fuel rail sensor were back probed in turn and with the multi meter set to ohms the loom damage area was probed with the other lead. Advertising -
If the misfire persists after installing the new cylinder, youve identified the source of the problem. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. . NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. 2011 f-150 3.5l GTDI misfire under load - SCANNERDANNER Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. With the ignition coil out, you can remove the spark plug using a 5/8-inch spark plug socket, extension, and ratchet. Reinstall the injection pump cover, the engine cover, and the oil cap. As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. Generally, the most common F150 PCM failure symptoms include: inability to connect diagnostic scan tool, check engine light illumination, rough or even no start, low gas mileage, failed emissions test, engine stalling, difficult shifting, getting PCM-related . The misfire can come or go depending on what is going on with the ECM. The car is my daily driver and I'm not necessarily looking for an . Getting good spark. Check light blinking, car acceleration slow. Learn more here: How to find a Vacuum Leak & How to Fix It (8 Easy Steps). Yes my car misfire I check the plugs is good bt is still misfire wht can be the problem I already do vavle grainig also it dus not working. what could be the cause of car engine running and stopping on the road? This is why you HAVE TO DRILL the 1/16" intercooler weep hole. Curing Intercooler Condensation And Oiling Issues - Tomorrows Technician Otherwise, its worth noting that turbo engines can be a little more difficult to maintain. Connect a compression gauge to the spark plug holes and crank the engine several times. If I get on the highway at 70 , It does not take long to get the check engine light. The pre-2017 3.5L EcoBoost engine had several issues ranging from engine misfires to timing chain issues, while the second-generation engine introduced in 2017 had improvements in timing components and fuel injection. Simply because these issues are classified as common does not mean they affect a large percentage of 3.5 V6 engines. V8 engines have a completely different tone than a four-cylinder engine, for example. However, it is a much simpler job than changing the spark plugs. 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum Is normal that engines sound smoothly when there's misfiring in all cylinders? If not maintained, it could mean sending the car to the junkyard sooner . Started 8 hours ago, By We are very familiar with this coming from the BMW world. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. To be fair to the Ford 5.0 Coyote engine, we believe the 3.5 EcoBoost is a clear choice if offered. So far Im very pleased with my eco as its made me grin when ever I squeeze the smile pedal and if Im not careful my tires or me wont be when replacing is needed. Carbon deposits can result in cylinders receiving an uneven amount of air. A set of ignition coils costs between $200 and $300. As fuel poor pressure measurement and control was one of the key symptoms this was almost certainly the smoking gun. The second most common cause of a misfiring engine is bad or failing spark plugs. It gains 375-450 horsepower in the majority of models. The socket should have a rubber insert or a strong magnet to securely hold the plug in place. Of course, the reliability of each 3.5 V6 engine is partially determined by luck of the draw. In my case cyl 2 4 6 8 on a dakota 4.7. Walnut blasting should be performed every 70,000 to 100,000 miles as preventative maintenance. The bracket was removed, and loom insulation damage was visible. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better. Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. Here's How To Fix It, 5 Symptoms Of Bad Gas In Your Car and How to fix it, 8 Causes Of Low Engine Compression and How To Fix It, 5 Symptoms Of A Bad Engine Control Unit and Replacement Cost, P1326 Code Meaning, Causes, Symptoms (& How To Fix), 5 Symptoms Of A Bad Engine Control Module and Replacement Cost, P1131 Code Meaning, Causes, Symptoms (& How To Fix), Car Wont Accelerate But RPMs Go Up: Causes & Fixes. Parts cannon loaded and ready -- Customers paying -- Fire at will !! laumk7 Truck: 2011 F-150 XLT Super Crew. Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. There are also many vacuum lines on the intake manifold that can leak, giving the same symptoms as a bad intake manifold gasket. Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. Tom Harbid. Is there any cheap way to improve compression or get rid of the code? Ford F150: Bad ECM Symptoms + Diagnosis | Drivetrain Resource Some vehicles have a separate ignition coil on every spark plug, while some cars have one coil pack with an ignition wire to each spark plug. What are your thoughts on the 3.5 EcoBoost? Terms of Service -
If the engine misfires in excess of 23% of the time (46 misfires per 200 engine revolutions) at low RPM or in excess of 5% at high RPM it will trigger the fault code under this condition. Having said that, well delve deeper into these 3.5 EcoBoost issues below. No. 2015 ECO 3.5 Misfire-Tried everything, I think. - F150 Forum Certified Automotive Diagnostic Technician. Im not sure whats going on but whenever I try to drive it Ill put it in drive and it will start to go and when you give it gas it will accelerate for a second then rev high like it shifted into neutral then shift and it will repeat that same cycle until the car switches into failsafe mode.. any advice on where to start? At the moment I can only comment on two of your points. The car wont rev up over 3000revs per min.could iit b a bad ignition coil. Glenn hastie What Are The Symptoms Of Engine Misfires? A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. If any of these are missing or incorrect, the cylinder combustion will not be done correctly, and no power will be created. Started 2 hours ago, By Remove the dipstick and place it on the clean rag to avoid contaminating dirt and debris. F150 3.5L Ecoboost misfiring | Ford Forums Its a simple task that almost anyone can complete in less than an hour or two in their driveway. 5. However, it depends on how serious the fault is and what specific repairs need to be made. Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. Birdzini The check engine light is one of the most common symptoms of bad spark plugs. Ford 3.5L EcoBoost Problems - UnderhoodService Its best to diagnose and repair the issue as soon as possible. I turned around and headed home, and after a short distance, the check engine light stopped blinking, and the truck seemed to run smooth again. Ignition coils should last approximately twice as long. Zain here If you have a misfire trouble code on a specific cylinder, youll want to start by looking at the spark plugs and ignition coil on that cylinder. If an issue does occur, it is prudent to replace the entire timing chain assembly. Ford 2.7 Ecoboost Problems - CoPilot If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. Apply some dielectric grease to the opening in the rubber dust boot at the bottom of the ignition coil. Its a simple and inexpensive repair. Additionally, while youre in there, consider replacing a few other small items. Keep your Ford F150 truck running strong. This has been done since 2011 to get these 3.5 ecoboosts to work better. Once at normal operating temperature the car drives perfectly with both fuel trims very close to zero, although there is a power dip flat spot at full throttle 5500rpm which is odd, e.g. Display as a link instead, The next thing you want to check is the fuel pressure. In the case of a misfire a P0300 (random or multiple cylinder misfire), or specific cylinder P0301-P0306 should have triggered. 2011 f150 ecoboost misfire p0301 - Ford F150 Forum It can also seriously damage your engine. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? Changed the crank sensor the other day as a precaution as the last two cars I have owned have needed crank sensors in mid to later life. These are typically urgent issues that should be addressed immediately. Here is a more detailed list of the most common cause of engine misfires: The most common cause of an engine misfire is a bad or failing ignition coil. On the 3.5 EcoBoost, some symptoms of timing chain, guide, tensioner, and cam phaser failure include the following: Rattling on cold starts is one of the more common symptoms of a timing chain problem. The carbon deposits can cause un-even amounts of air to enter to cylinders. You may also notice that the engine does not sound like it used to, and that your car has reduced power and fuel efficiency. In some cases, the escaping boost pressure can be heard. If the misfire is specific to a cylinder, it may display a check engine light and a DTC such as P0301, P0302, P0303, P0304, P0305 or P0306. Ford F-150 3.5L Ecoboost Repeat Engine Misfires: Diagnostic - YouTube Causes & How To Fix It. You can also use an EVAP smoke machine to easily find vacuum leaks, but these are often quite expensive and probably not something most people have in their garages. To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. If you think you may have a problem with engine misfires, the best thing to do is take it to a mechanic to have it checked out. Started Wednesday at 06:15 PM, By In addition, the check engine light may also be on if misfires are specific to a particular cylinder. Symptoms of a Bad or Failing Camshaft Position Sensor Ford F150 Forum - Community of Ford Truck Fans. If your vehicle idles roughly, stalls frequently, has a drop in engine power, stumbles frequently, has reduced gas mileage, or accelerates slowly, these are all signs your camshaft position sensor could be failing. Ford F-150 Misfire Symptoms. My guide has information on the top 9 most common F150 PCM problems and their symptoms. SMaxJohnni In rare cases, it can also happen because of low engine compression. The plugs have been used for no more the 2k miles. Condensation can build up and be trapped in the intercooler on certain F-150 models with the 3.5L EcoBoost V6. The official Ford website can be found at http://www.ford.co.uk/, Fiesta 2013 1.0 Ecoboost misfire and or hesitation under light throttle. Low Engine Compression. December 3, 2020 Ford EcoBoost problems have caused a class action lawsuit that alleges 1.5-liter, 1.6-liter and 2-liter EcoBoost engines allow coolant to leak into the cylinders.