9 Most Common Symptoms Explained - Henry Ford 150 The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. Certain DI engines can even run their entire lives without any valve cleaning. @GARY MASSEY 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. How to Fix Common 2013 Ford F150 Ecoboost Problems Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. Ecoboost Misfire Solution! - Ford F150 Forum It also causes the plug to misfire. Fortunately, this is not a time-sensitive task that requires immediate attention, and you may not even want to do it at all. Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. It suddenly lost power like it wasnt running on all 6-cylinders, and the check engine light was blinking. My problem is, that it starts shaking when I accelerate to a certain speed. The 3.5 EcoBoost engine from the first generation utilizes only direct injection (DI), which means fuel is sprayed directly into the cylinders. You earlier indicated that your reservoir tank was "lowering as usual" or similar to that wording without me going back and checking. These misfires often occur under load from the engine, such as when you accelerate quickly. Well also look at how to determine if your engine is misfiring and answer some common questions about misfires. If your car engine sounds unusual, its possible that your engine is misfiring on every cycle. Start the engine and listen closely for any strange sounds that might indicate a problem such as a loose spark plug or a disconnected electrical connector. At the moment I can only comment on two of your points. Fortunately, a set of six Ford 3.5 spark plugs typically costs between $40 and $100, depending on the source. This detects failures over a period of 200 revolutions. 7. Again, the 3.5 EcoBoost is an extremely reliable engine in general. Monitoring live data, fuel trims and control status shows the system in closed loop control, then when the hesitation misfire occurs the short term trim goes very high, 20+. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. Misfires Are More Common Than You'd Think. My guide has information on the top 9 most common F150 PCM problems and their symptoms. Two of the issues listed above may not even be considered issues. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Fortunately, checking the fuel pressure in your car is fairly easy with a manual fuel pressure gauge, and worth doing if you suspect low fuel pressure. CursedBones 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions. According to . 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? 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. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. Copyright 2023 Mechanic Base. MAF and air filter look to be clean and dry. Specific information about the Ford 3.5 timing chain problems is scarce. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. Ford F150 Forum - Community of Ford Truck Fans. What do I do? 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. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. 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. To refer to spark plugs and ignition coils as a issue is probably not accurate. Started 14 hours ago, By Started 4 hours ago, By I did not find any evidence of carbon tracking on the plugs I removed. RyanP2023 Thus until reading your wonderful explanation, I could not figure out why my computer was calling my burnt valve a "misfire", which I think is a bit misleading of OBD2. Contact Us - Manage Preferences - 00:00 / 00:00. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. An engine with a bad ECM will often run rough and misfire. You may also consider simply replacing the spark plugs. Zain. I would like to congratulate you on the simple way of explaining this article on misfire troubleshooting. Its my first scan tool which has been useful but is limited by my knowledge and the small screen. . Cookie Policy - To the OP glad your running top notch, and here I thought this was going to be positive threadthat was short livedlol. You may also notice problems such as the engine stalling at idle or an uneven idle that jumps up and down. Under hard acceleration (i.e., boost) or at highway speeds, an intermittent stumble and misfire reportedly can occur during high humidity or damp conditions. Try better fuel, see if it goes away. What Are The Symptoms Of Engine Misfires? He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. The 3.5 EB comes in two distinct generations, which we will discuss briefly below. Carbon build-up is simply a disadvantage of relying solely on direct injection. Most likely, you will be unaware of a gradual loss of power over a period of several years. Naturally, that engine receives some upgrades over the standard 3.5 EcoBoost to accommodate the increased power. If you lose power while driving on a busy road, this is a safety hazard. https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. Identifying these issues can be a little hard. I hav tried out diff tps sensor,air flow meter,changed plugs an plug leads an checked the distributor.fuel pressure 7bar on idle.pls cn you assist. 97 Toyota 4Runner 2.7 engine. Ford EcoBoost Has a Dangerous Engine Defect, Owners Say Tighten the bolt in the clockwise direction with the 8mm socket and a 1/4 drive ratchet until it is snug. If youve checked all the things above, but still cant figure out whats causing the misfires in your engine, it might be worth taking the car to a professional mechanic instead. 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. I've pulled the injectors and sent them for cleaning and testing, will report back results. 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. Excessive carbon buildup on the 2.7 EcoBoost may result in the following symptoms: Engine misfires 036 inch, the old ones were less than the specification gap. The engine started fine and has been driving perfectly for over a week now. Started February 9, By Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. You can also open the hood of your car and watch the engine idle. Often, it is simply normal wear and tear, but early problems are possible. Ford F150: Bad ECM Symptoms + Diagnosis | Drivetrain Resource 2013 Ford Escape - Turbo failure - Car Talk Community Ignition coils should last approximately twice as long. Labor should cost less than $100. Likes: 15. Started August 19, 2022, By P0445 Code Meaning, Causes, Symptoms (& How to Fix it), 7 Reasons Your Engine Is Running Rich and How To Fix It, Car's Engine Burning Oil? Its a powerful engine with 355 to 647 hp and plenty of torque. The most common cause of an engine misfire is a bad or failing ignition coil. Here are the 6 failures and what to look for. 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. Was told it might be the fuel sending unit . At 96,000 Miles. Terms of Service - I am debating on whether to go with another oem turbo or get an aftermarket higher performance turbo. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? What Happens When You Put Too Much Oil in Your Car? Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. If you find trouble codes on an engine sensor or low fuel pressure, youll want to start the diagnosis from there. For complete cylinder combustion to occur, the engine needs three important things, and that is the correct air/fuel mixture, compression, and spark. Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. Although we adore the 3.5 EcoBoost, no engine is perfect. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. 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. I did the thottle position sensor reset procedure and that helped for about 2 days. Fuel Injectors Can Get Clogged. Misfires can cause all sorts of problems, from reduced fuel efficiency to complete engine failure. 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 following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. The most common situation where you will feel misfires is in high gear, low RPM, and with the gas pedal to the floor. The check engine light is one of the most common symptoms of bad spark plugs. This includes misfires, power loss, and a rough idle, among other things. As a result, symptoms such as fault codes, a rough idle, and stuttering may occur. Often, spark plugs are to blame, as their lifespan is significantly shorter than that of ignition coils. Bad Ignition Coil. We are very familiar with this coming from the BMW world. 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. However, the ignition components on the 3.5 twin turbo EcoBoost engine are likely to wear out much more quickly. As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Also make sure that the correct viscosity of oil was put in as the wrong "weight" of oil can make the VVT malfunction. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. I have looked at the video and that's exactly as I would expect to find it. We have both independently looked for a low pressure fuel sensor but can't find one, other fords have low pressure sensors near the inlet to the HP fuel pump but this car only has a fuel pressure damper. There arent many issues that frequently occur with these engines. 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. Is normal that engines sound smoothly when there's misfiring in all cylinders? He shows location of low side pressure sensor (and goes through other common faults). If you know a little about cars, youve probably noticed a difference in sounds from different engines. Ford did an excellent job updating the second generation 3.5 EcoBoost engine. These are plastic components, so be careful that you dont break them. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. Misfires Rough idle Stuttering / hesitation Power loss Check engine light (misfire codes) Prevent ignition coil failures SMax auto is slow to shift down to 1st gear. Ford did an excellent job updating some of the engines weak points with the second generation engine. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. 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. You may or may not be able to monitor High and Low side Fuel Pressure readings, actual and desired. Therefore, if your 4-cylinder engine misfires on one cylinder, it will sound like a 3-cylinder engine.
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