Tighten the bolt in the clockwise direction with the 8mm socket and a 1/4 drive ratchet until it is snug. Here are some of the symptoms of a bad VCT solenoid: 1. There is a Technical Service Bulletin (TSB 14-0180) for the 2011-2013 Ford F-150 that suggests that you check the spark plugs for carbon tracks, and replace the plugs and boots if carbon tracks are found. I used a small screwdriver to press down on it as I slid the plug off. Make sure that the oil change did not overfill or underfill. Started 5 hours ago, By Reinstall the ignition coils retaining bolt by hand in the clockwise direction to prevent it from becoming cross threaded. I have looked at the video and that's exactly as I would expect to find it. What else can I do??? Smoke Can Indicate Danger For You. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. I bet that your actual problem is the spark plugs. The garage thinks its running lean at light throttles as the fuel trim values are going high, hence the misfire or hesitation. Labor should cost less than $100. Open your hood and allow the engine to cool down. Acts like it doesn't know what gear it should be in. Although we adore the 3.5 EcoBoost, no engine is perfect. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. If a sensor is failing or a sensor detects that something is wrong with the engine, it sends the information to the engine control module. 5/8-inch spark plug socket for 3/8-inch ratchet. You may or may not be able to monitor High and Low side Fuel Pressure readings, actual and desired. The engine from the second generation is used in the following models: With that background information out of the way, lets get to the point. . Some of the most common causes of engine misfires are bad spark plugs or a bad ignition coil, which can be relatively cheap to repair. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. READ MORE: 6 Symptoms of a Bad Ignition Coil (& Replacement Cost). Well discuss some of the most common issues with the Ford 3.5 EcoBoost V6 in this article, as well as its overall reliability. Drop In Engine Power: . Had a slight misfire so I changed Spark Plugs and Coils. The engine misfires, resulting in rough idling, stuttering, and fault codes. However, because carbon build-up occurs over time, it is frequently difficult to detect. I'd get rid of this truck if I could but the timing just isn't right. If you have any of these symptoms, it could mean the camshaft position sensor needs to . The smaller twin turbochargers are quick to spool and deliver a significant amount of low- and mid-range torque. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. 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. You may also notice problems such as the engine stalling at idle or an uneven idle that jumps up and down. Please register or login to enable Dark Mode. In this video we show you how easy it can be to diagnose a misfire on a modern engine with the right tools.Latest Ford Parts:Ignition Coil (2011-2016)-https:. Speechless. You can post now and register later. This oil eventually cakes onto the intake valves as it travels through the intake tract. 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. My caddy 1.6 carb had still misfired after changing coil, boggy cords, plugs, distributor cap, rotor and some fuel lines. 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. 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. Its critical to establish this for a reason. 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. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. It is not recommended to drive your car at all with a misfiring car engine. Great helpfully web site. I really appreciate you, thx for sharing that with us! I am debating on whether to go with another oem turbo or get an aftermarket higher performance turbo. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. Started 4 hours ago, By Symptoms The signs of a leaking turbocharger system start with a lack of power or random misfires. The most common car sensors that cause an incorrect air-fuel mixture are the MAF sensor, the MAP sensor, the oxygen sensor, and the coolant temperature sensor. John, thanks for your reply. Here are the 6 failures and what to look for. General discussion on 2009 - 2014 Ford F150 truck. Specific information about the Ford 3.5 timing chain problems is scarce. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. Or are there two circuits in the fuel rail pressure sensor? 9. Line up the bolt hole in the ignition coil assembly with the corresponding hole in the top of the engine. You can either get one yourself, or go to a mechanic and borrow their diagnostic tool to read the trouble codes from the ECM. Yes I agree. The loom runs below this bracket and in my case there was a rusty stain on the loom. This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. Paste as plain text instead, 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. By The 3.5 EcoBoost engine from the first generation utilizes only direct injection (DI), which means fuel is sprayed directly into the cylinders. All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. Early EcoBoost engines were also known to catch on fire, leading to a 2012 recall and "stop driving" order from Ford. The advantage of port injection is that fuel is washed over the intake ports and valves. Not too shabby in terms of longevity. Some mechanics prefer to use anti-seize lubricant grease on the threads, but most spark plug manufacturers do not recommend using anti-seize since it can easily lead to over tightening. Were the loom turns behind the engine there is a metal bracket which supports the connectors to the two oxygen sensors. Simply because these issues are classified as common does not mean they affect a large percentage of 3.5 V6 engines. I had a hard time describing what it was, but now this is the clearest description of . Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. As a result, symptoms such as fault codes, a rough idle, and stuttering may occur. when overtaking. 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. While the 3.5 EcoBoost is an excellent engine in general, no engine is perfect, and this is true here. 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. Zain. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. Here is a more detailed list of how to diagnose and fix engine misfires: Modern car engines have a system that monitors all the sensors in the car engine, and if there is something wrong with a sensor, it will store it as a trouble code in the engine control module. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. The fuel idea has crossed my mind, the car is usually filled with regular supermarket fuel, however, on this occasion I had just filled up with fuel from one of the major UK fuel and oil brands, still regular unleaded E10. Unfortunately, low compression problems are often caused by worn parts inside the engine, which can be very expensive to fix, so youll want to inspect the other possible causes first. Check light blinking, car acceleration slow. Contact Us -
Is Fords 3.5-liter EcoBoost engine dependable? Ford F150 Forum - Community of Ford Truck Fans. The car is my daily driver and I'm not necessarily looking for an . 3. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Most likely not your air filter. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Before we begin, lets jot down a few quick notes. they then suggested that I replace all plugs and boots and get an induction flush. 6 Symptoms of a Bad Ignition Coil (& Replacement Cost), 5 Signs of a Bad Intake Manifold Gasket (& Replacement Cost), Low Fuel Pressure Symptoms, Causes (& How To Fix it), 8 Symptoms of a Bad Fuel Injector (& Replacement Cost), 8 Causes of Low Compression in a Car Engine (& How to Fix), How to find a Vacuum Leak & How to Fix It (8 Easy Steps), Car Jerking When Accelerating? Removing #1 resulted in NO difference in idle. If your engine misfires, it will feel like the engine is shaking or vibrating, and it may make a knocking noise. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. Codes P0089, P0087 and P2626 were showing but no engine check light. Carbon build-up is simply a disadvantage of relying solely on direct injection. Spark Plugs And Ignition Coils Issues. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. It is important to start by reading the error codes to know where to start troubleshooting. Additionally, turbocharged engines, such as the Ford 3.5 EcoBoost, have more components that could fail. 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. Paul 56 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. In many ways, its the best of both worlds, as DI has numerous advantages over PI. Excessive carbon buildup on the 2.7 EcoBoost may result in the following symptoms: Engine misfires engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 stored in the . Tajsingh To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. Advertising -
Copyright 2023 Mechanic Base. Tom Harbid. This detects failures over a period of 200 revolutions. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. runs rough, no white smoke, no water in oil. Woww wow wow great article! Bad Ignition Coil. Low Engine Compression.
On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. 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. I did not find any evidence of carbon tracking on the plugs I removed. Hesitation everytime I get into the throttle. Dirty filters/Fuel filter clogging. 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. Update, car is back from the garage without a diagnosis. Code says multiple misfire's . Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . Remove the engine oil filler cap, and remove the plastic engine cover by lifting up and pulling forward. Starting at the PCM, centimetre by centimetre the loom was inspected for clues. Ignition coils have a life expectancy of 25,000 miles if were lucky. Thanks for the great information passed on. Symptoms of excess carbon build-up on the 3.5 EcoBoost intake valves and ports include: Misfires; Rough idle; Stuttering / hesitation; Power loss; Most of these symptoms are a by-product of the first symptom at hand - misfires. Fuel related . You can do this with either a compression tester or a leak-down tester. It also causes the plug to misfire. Spark plugs for stock 3.5 EcoBoost engines will likely need to be replaced every 40,000 to 60,000 miles. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. Dave thanks for your reply and suggestions. When symptoms exist and there are no codes, it becomes a little more difficult. Regardless, we would want to complete the job. Causes and Methods to Fix Multiple Cylinder Misfire on Ford F150. Checked all the ground connections I could find, they all looked good. I think the Fuel Pump Module is at the Fuel Tank, I'm not sure where it measures the pressure though. This contributes to the prevention of carbon build-up, which we will discuss later in this article. Myself and many others might be happy you did, but we all would miss the joy and happiness you bring to this section All - this is a VERY WELL DOCUMENTED fatal flaw in the ecoboost. It can also be caused by fuel-related issues such as a faulty fuel injector or a bad fuel pump. With the hood popped, standing in front of the vehicle, looking at the engine the cylinder numbering starts at the front left (passenger . My 1997 Sebring run good , as long as I stay under 65 . Best regards, Hi Mr. Selln There arent many issues that frequently occur with these engines. Glad you found something that works. Pasted as rich text. Automotive Performance, Tuning, & Modification. Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. About two hours later, I burned rubber all the way down the on ramp to US-61. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing.