5 Best 2.0L EcoBoost Performance Upgrade Guide, technical service bulletin that can be seen here, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, 2010-Present Ford S-Max, Galaxy, and Mondeo, Engine overheating (often triggering a P0217 engine code), Whistling, whining, or chirping noise coming from the engine, Engine builds no boost under acceleration. My 2004 skoda octavia 1800 petrol turbo 20 valve engine is misfiring ive had it on dinostic and nothing is showing up its worse in the morning when started up struggling to tick over have you any idea what it could be please. 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. In some cases, the escaping boost pressure can be heard. It gains 375-450 horsepower in the majority of models. Slide the electrical connector straight back into the socket until it clicks securely into place. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. Copyright 2023 Mechanic Base. Please register or login to enable Dark Mode. Ford F150: Bad Spark Plugs Symptoms and Diagnosis Cylinder 4 misfires. | Page 2 | Ford Mustang Ecoboost Forum 1. Car wont move after CV Joint replacement. So, as its intermittent and clears after 5 or 6 miles I'm continuing to drive it hoping some new clues will appear, its done about 2k miles since the last trip to the garage. 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. The plugs should be fine, then. You may also notice other performance issues, like slower acceleration than usual or a stalling engine while accelerating. Replacing the timing chain and other critical components is not a simple or inexpensive task. @GARY MASSEY Hi guys What Are The Symptoms Of Engine Misfires? If you cant find any problems on the spark side, its time to look at the air-fuel mixture. Started 5 hours ago, By Carbon build-up is primarily an issue with first-generation engines. Spark Plugs And Ignition Coils Issues. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. 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. I haven't done anything with the turbo bypass valve so far assuming that at these very light throttle loads the turbo can't be contributing much if anything. Yes. However, it is a much simpler job than changing the spark plugs. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. What else can I do??? Additionally, turbocharging and direct injection assist the 3.5 V6 in remaining fuel efficient and emission-free. But how do you tell if your engine is misfiring, and what could be causing it? If you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. Key Points. 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. An engine misfire is an event that occurs when one or more of the engines cylinders fail to ignite the air/fuel mixture during the combustion cycle. Here is a look at (2) of the spark plugs that I removed. You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. I need some direction with this one. March 10, 2022 in General Ford Related Discussions. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Ford 2.7 EcoBoost Now Problematic. Otherwise, its primarily labor associated with gaining access to the intake ports. If the fuel injector injects the wrong amount of fuel, it will cause the engine to run rich or lean, which can lead to engine misfires. Yeah the misfire is only on cylinder 4 according to the AP and about 2 weeks ago it began. As a result, spark plugs and ignition coils start bringing issues. SMax auto is slow to shift down to 1st gear. Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. plasticpat So, there you have it all the computers and over a 1k at the main dealer couldn't fix it, but patience, a good eye and some heat shrink and tape and it's fixed for free. A high-quality shop vac and walnut media shells are required for this job. 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. If any of these are missing or incorrect, the cylinder combustion will not be done correctly, and no power will be created. Declan19971 Glenn hastie I did the thottle position sensor reset procedure and that helped for about 2 days. Tom Harbid. 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. If your engine is misfiring, it's important to determine the cause as soon as possible. Paul 56 Ford F150: Bad ECM Symptoms + Diagnosis | Drivetrain Resource The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. What Happens When You Put Too Much Oil in Your Car? The main symptoms of an engine misfire include: Here is a more detailed list of the most common signs of engine misfires: When an engine misfire occurs, you may feel a strong or light jerk coming from the engine. Ford also added port injection to the second-generation 3.5-liter V6 twin turbo engines. Copyright text 2021 by driveceladon.com. Had a slight misfire so I changed Spark Plugs and Coils. driveceladon.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Additionally, Ford did an excellent job with the second-generation 3.5 EcoBoost in addressing some of the issues. On top of this, folks have to worry about fuel in the oil, and the cold start rattle (failed cam phasers that then stretch the timing chain). The truck is setting p0302 and p0305 under heavy acceleration. Great helpfully web site. There is a red locking tab on the plug: Slide the red tab back to unlock the plug. (Heres How To Fix it), 7 Best Spark Plugs Review & Buyers Guide, Car Losing Power When Accelerating? Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. The numbering of the cylinders on a Ford F150 starts from cylinder 1 on the front and goes backward. Clues so far is that it doesn't like colder temperatures e.g. Contact Us - Then, clear the codes and drive for a while to see if the problem has moved to another cylinder. Ignition coils have a life expectancy of 25,000 miles if were lucky. Is this possible ? Started February 26, By That being said a few things to watch out for. Manage Preferences - If you notice any of the signs or symptoms of a misfiring engine, get them checked out by a professional as soon as possible. To missmy06 I havent seen a positive post out of you yet and Im sure any dealership would be happy to trade in your current truck for another 06 and down and probably the finances would not change so go for it. Good morning. Ford 3.5 TT V6 Carbon Build-Up Symptoms. My Toyota corolla 2009 cylinder 2 & 3 is misfiring. Started 8 hours ago, By More often than not, your engines computer will be able to detect bad spark plugs in your F150. Its a simple and inexpensive repair. Remove the ignition coil from that cylinder and replace it with one from a non-misfiring cylinder. When it reaches normal speed it quit shaking. If not maintained, it could mean sending the car to the junkyard sooner . I've been on other websites trying to find more info on what to do on my VW caddy 1988 model which I'm experiencing misfiring. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Dirty filters/Fuel filter clogging. After some research, there are problems with the CAC and many of the trucks left the factory with Mis-Gapped plugs. Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. Worst pressure condition in the cylinder. Ford had a PCM reflash for these cars after the first few model years for the computer as to not trip a code on cold start misfires. The carbon deposits can cause un-even amounts of air to enter to cylinders. Ford F150 Forum - Community of Ford Truck Fans. 5 Symptoms of a Bad Oil Control Valve (VVT Solenoid) - Oards Automotive Hub Symptoms of a spark plug or ignition coil on the verge of failure include the following: Typically, plugs and coils exhibit the same symptoms. As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). Overly rich running engine. Your link has been automatically embedded. Ford 1.6 EcoBoost Engine Problems: The 4 Most Common Problems Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. If it is too high or too low, you need to inspect the components of the fuel system such as the fuel pump, fuel filter, and fuel pressure regulator. There are also many vacuum lines on the intake manifold that can leak, giving the same symptoms as a bad intake manifold gasket. It accuses Ford of selling cars with cracked heads, seals not sealing, and catastrophic engine failures. Misfire All Cylinders On One Side Of Engine | Bank 1 Or 2 - YOUCANIC Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. Blog : Stratified Automotive Controls This is not a critical situation that requires immediate attention. Turbos lead to high cylinder pressures, which in return stress the entire ignition. 1. 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. Overfill Engine Oil Symptoms - How to Fix It? - Rx Mechanic Damaged injecting tools. If the check engine light is on, there should be a trouble code stored that needs to be checked with an OBD2 scanner. Its not recommended to drive with engine misfires. However, numerous other factors can cause rattle. 00:00 / 00:00. Automotive Performance, Tuning, & Modification. Here are some of the symptoms of a bad VCT solenoid: 1. 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. The car engine is most sensitive to small air-fuel mixture problems at idle, so this is probably one of the first places you will notice misfires. I think the Fuel Pump Module is at the Fuel Tank, I'm not sure where it measures the pressure though. The function of the spark plug is to ignite the air-fuel mixture in the combustion chamber, and if there is something wrong with the spark plug, it will not ignite, and a misfire will occur. It is important to start by reading the error codes to know where to start troubleshooting. Started Thursday at 09:49 AM, By If you have an account, sign in now to post with your account. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. To refer to spark plugs and ignition coils as a issue is probably not accurate. It suddenly lost power like it wasnt running on all 6-cylinders, and the check engine light was blinking. Fortunately, Ford issued a service bulletin in response to these issues. laumk7 Determine which cylinder(s) is misfiring by inspecting the fault codes. The 5 Most Common Ford 2.0 EcoBoost Engine Problems 2011 f-150 3.5l GTDI misfire under load - SCANNERDANNER Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. I'd get rid of this truck if I could but the timing just isn't right. The worst condition of exhaust and converters. Could it be a cv joint problem? 036 inch, the old ones were less than the specification gap. Symptoms of a Bad or Failing Camshaft Position Sensor However, the ignition components on the 3.5 twin turbo EcoBoost engine are likely to wear out much more quickly. There is a red locking tab on the plug: Before delving into 3.5 EcoBoost problems, its necessary to establish some context. 2012 Ford F-150 Engine Missfires Under Hard Acceleration First check all ground connections are clean and tight. These cars are prone to misfires if the variable valve timing is malfunctioning. I wouldnt have thought a UK dealer would make the same mistake but Im almost sure they did. Carbon build-up is simply a disadvantage of relying solely on direct injection. Open your hood and allow the engine to cool down. Ford 3.5 EcoBoost Engine Problems: 3 Most Common Issues It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. 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. I have to admit I'm pretty fed up and disappointed with the ecoboost. they then suggested that I replace all plugs and boots and get an induction flush. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Here we will look at what you need to know about engine misfires. However, finding these vacuum leaks is often quite easy and we will talk about that further down in the article. Now the symptoms are less noticeable there are no codes. 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. Rough acceleration is a typical sign that your engine is misfiring. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. However, be very careful when doing this and have a fire extinguisher ready. Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. 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. Best regards, Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. This is what causes the misfire. Spark plugs were normal, except #1 as it was slightly oily/wet after cleaning with wire brush and reinstalling and restarting for about 10 minutes. I have a 2012 ford focus we just put a new ,used engine in it when I got it back the ck engine light was on we replaced the o2 sensor,then came the cylinder 1 misfire,changed out spark plug and coil still has the same code ??? The problem is variable and intermittent but looks to be the same using both the original and a spare fuel rail pressure sensor. While this is a common issue with the EcoBoost, it does not occur with every engine. Ford F150 Multiple Cylinder Misfire: Causes, Symptoms, Fix It If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. One of the conditions that is required to set the code is a fuel . Some believe it is due to insufficient maintenance and oil changes, or to the use of 20w oils, which are too thin for the engine. Of course, the reliability of each 3.5 V6 engine is partially determined by luck of the draw. Re: 2011 f150 ecoboost misfire p0301. Paste as plain text instead, P0303 definition: Cylinder 3 misfire detected. 5. 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. John, thanks for your reply. No PCM codes so I'm using the car to see if anything changes or codes appear. Their proposal is now a wiring loom or PCM, the first cost a lot in labour and the second a lot in parts and no guarantees. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. It does sound like it is running lean, it's strange that there are not codes all the time. Specific information about the Ford 3.5 timing chain problems is scarce. Carbon deposits can result in cylinders receiving an uneven amount of air. Several of the most frequently encountered issues with the Ford 3.5 EcoBoost engine include the following: As mentioned previously, the top two issues primarily affect the first-generation 3.5 EcoBoost engine. Additionally, turbocharged engines, such as the Ford 3.5 EcoBoost, have more components that could fail. So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. F150 3.5L Ecoboost misfiring | Ford Forums I bet that your actual problem is the spark plugs. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. The garage thinks its running lean at light throttles as the fuel trim values are going high, hence the misfire or hesitation. The wideband front O2 sensor should show a Current of 0 most of the time under constant or no Throttle openings. Its a powerful engine with 355 to 647 hp and plenty of torque. Attacking no-code misfires | Vehicle Service Pros I would start with checking for any leaks around the intake and connect a fuel pressure gauge if possible! Had the DTC read as P0301 (#1 cylinder misfire) and went to my local Ford dealer, bringing a copy of Ford TSB 12-10-19. Diagnosing Turbo Boost And Leak Problems - UnderhoodService This is what causes the misfire. 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.
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