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2. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. I have looked at the video and that's exactly as I would expect to find it. Ford EcoBoost Has a Dangerous Engine Defect, Owners Say Emerald Gypsy 1949 Ford Bus Converted Motorhome, 1995 Ford E-350 Airstream B190 Motorhome 44, 1972 Ford Courier Twin-Turbo LS Drag Truck, Rough Rider 1988 Ford F-150 Class 8 Show Truck, Disconnect battery (since Ill be unplugging the coils and injection pump, I decided to disconnect the battery). 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 5 hours ago, By NQbbe Slide the electrical connector straight back into the socket until it clicks securely into place. Often, spark plugs are to blame, as their lifespan is significantly shorter than that of ignition coils. There is a red locking tab on the plug: Slide the red tab back to unlock the plug. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. Ford 1.6 EcoBoost Engine Problems: The 4 Most Common Problems but I don't feel or hear any misses . Inject not getting fuel , so cylinder does not fire , so get misfire code. Here is a look at (2) of the spark plugs that I removed. Connect a compression gauge to the spark plug holes and crank the engine several times. Change the oil on time, use high-quality oils, and address issues as they arise. (Heres How To Fix it), 7 Best Spark Plugs Review & Buyers Guide, Car Losing Power When Accelerating? He shows location of low side pressure sensor (and goes through other common faults). Clues so far is that it doesn't like colder temperatures e.g. As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. If any of these things fail, it will not ignite the combustion chamber properly and a misfire will occur. 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. 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. There are always a few kinks to iron out, and they were relatively minor with the 3.5 V6. Here are the 6 failures and what to look for. The upstream O2 sensor, HP fuel pump and fuel rail pressure sensor have been changed. Failure of any of these sensors can cause an incorrect air-fuel mixture to enter the engine, which can cause the engine to misfire. I knew my Metro had a burnt valve and low compression, but I would not call that a misfire, since the fuel is burning fine, just leaking into the exhaust and delivering less power. Ford EcoBoost Problems Lead To Class Action Lawsuit Read more: Low Fuel Pressure Symptoms, Causes (& How To Fix it). Jun 30, 2021. 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. Contact Us - 4. Turbos lead to high cylinder pressures, which in return stress the entire ignition. A misfiring engine can be a serious problem that should be fixed as soon as possible. It gains 375-450 horsepower in the majority of models. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. Posts: 3. As a result, symptoms such as fault codes, a rough idle, and stuttering may occur. Started February 5, 2013, By Is Fords 3.5-liter EcoBoost engine dependable? The Ford 3.5L EcoBoost engine can power several models, including the Ford F-150 and the Lincoln Navigator. Certain DI engines can even run their entire lives without any valve cleaning. Symptoms of a spark plug or ignition coil on the verge of failure include the following: Typically, plugs and coils exhibit the same symptoms. However, numerous other factors can cause rattle. Turbocharged engines place a great deal of strain on the ignition system, owing to the incredibly high cylinder pressures. Issue Severity: SEVERE - Stop driving immediately. Its a simple task that almost anyone can complete in less than an hour or two in their driveway. 2.7 EcoBoost stumble on highway acceleration - F150 Forum Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. This includes misfires, power loss, and a rough idle, among other things. Youll have to push down on the gray tab to get the plug to connect from the coil. Ford 3.5 EcoBoost Engine Problems: Reliability, Specs & Reviews A car engine is very balanced when it is manufactured and often has balance shafts and various tricks to get as little vibration out of it as possible. If either the distributor or the ignition coil creates a weak spark, it can cause misfires. Misfire Help P0300 P0301 P0302 P0303 P0304 P0305 P0306 You can either get one yourself, or go to a mechanic and borrow their diagnostic tool to read the trouble codes from the ECM. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? Ryan jones The known common problems of the Ford 1.5 Ecoboost engine are: The Problem Of Overheating Has Been Exceeding. VVT has the ability to generate more power or save more fuel depending on the phase of the camshafts. Hi guys While this is a common issue with the EcoBoost, it does not occur with every engine. There Can Be Damage To Different Parts Of The Motor. I really appreciate you, thx for sharing that with us! Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . Since the 3.5L Ecoboost in my Expedition has 79,000 miles on the original spark plugs, I decided to replace all (6) spark plugs with new ones. Symptoms of a Bad or Failing Camshaft Position Sensor Reinstall the injection pump cover, the engine cover, and the oil cap. 5. The worst condition of exhaust and converters. Started 4 hours ago, By Dave thanks for your reply and suggestions. With closer inspection it was clear that there was contact between the loom and the square edge of the bracket. Ford 3.5L EcoBoost: Engine Failure - Tomorrows Technician 27 Jan 2018 00:24 - 28 Jan 2018 10:44 #17294. Attacking no-code misfires | Vehicle Service Pros Reinstall the ignition coils retaining bolt by hand in the clockwise direction to prevent it from becoming cross threaded. pretty much the same story with the Escape (Kuga 2 US version with 2.0 TT eco boost) except I went straight to the plugs without paying a dealer $100 to diagnose it. This after they told me that the dealer and ford engineering thought it was a bad fuel injector . For complete cylinder combustion to occur, the engine needs three important things, and that is the correct air/fuel mixture, compression, and spark. 9 Most Common Symptoms Explained - Henry Ford 150 I thought it was misfiring or driveline related. 036 inch, the old ones were less than the specification gap. According to . If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. My Toyota corolla 2009 cylinder 2 & 3 is misfiring. If your VVT solenoid is experiencing issue due to a faulty oil control valve, you may notice a reduction in engine performance, as the VVT system may not be able to optimize the engine for peak power generation. I have a 2014 chrysler town and country van 3.6 engine number 3 cylinder misfire changed coils, spark plugs ,fuel injectors compression 130 # wires good to and from injectors good,ohlms across injectors,air filter good, intake gasket good added heat to gas tank. In addition to removing the injectors other items including air ducts, air box, filter MAF, battery, PCM and battery box were removed to help further inspect the wiring loom. With a false high fuel pressure this leads to lean running and the fuel trim controls ramp up to compensate. Contact Us - [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Within about 5 minutes of leaving the pump the engine was struggling. So far I filled the the tank with premium fuel and added an injector cleaner, no change after 100 miles. Jan 23, 2021. ouguru said: 2011 F150 FX4 with 3.5L Ecoboost developed a severe misfire at 65k miles. 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:. I have had it in several times, with no results. Or are there two circuits in the fuel rail pressure sensor? If your car engine sounds unusual, its possible that your engine is misfiring on every cycle. READ MORE: 15 Types of Car Sensors (& What They Do). Fuel related misfires can be caused from too much fuel. P0301 cold start misfire | Ford Mustang Ecoboost Forum 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum To refer to spark plugs and ignition coils as a issue is probably not accurate. This misfiring of the Ecoboost leads to rough idling, stuttering, and fault codes. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start. If misfires are occurring randomly, the check engine light may remain on. 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. Started 14 hours ago, By While the 3.5 EcoBoost is an excellent engine in general, no engine is perfect, and this is true here. Symptoms The signs of a leaking turbocharger system start with a lack of power or random misfires. 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. runs rough, no white smoke, no water in oil. Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. 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. Here are some of the symptoms of a bad VCT solenoid: 1. Here we will look at what you need to know about engine misfires. What Are The Causes Of An Engine Misfire? Rev going down and vibrating when gear is engaged. F150 3.5L Ecoboost misfiring | Ford Forums Now the symptoms are less noticeable there are no codes. He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. You may or may not be able to monitor High and Low side Fuel Pressure readings, actual and desired. Truck: 2011 F-150 XLT Super Crew. Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. RyanP2023 If you have any of these symptoms, it could mean the camshaft position sensor needs to . Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. TuningPro.co is owned and operated by 8020 Media. If your engine misfires, it will feel like the engine is shaking or vibrating, and it may make a knocking noise. There is a red locking tab on the plug: . Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. 2. In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. Automotive Performance, Tuning, & Modification. If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. Naturally, that engine receives some upgrades over the standard 3.5 EcoBoost to accommodate the increased power. I would start with checking for any leaks around the intake and connect a fuel pressure gauge if possible! Did compression test and cylinders were 150, 150, 149, 149. You can do this with either a compression tester or a leak-down tester. 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. Most likely not your air filter. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. A random misfire means is that a misfire is detected . If you find trouble codes on an engine sensor or low fuel pressure, youll want to start the diagnosis from there. Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. In the case of a misfire a P0300 (random or multiple cylinder misfire), or specific cylinder P0301-P0306 should have triggered. Common Ford 3.5L EcoBoost Engine Problems - Soulmate Twin Flame PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking Poor Performance. Identifying these issues can be a little hard. If your Scan Tool can give you access to Mode 6 Data then there may be some clues there. Remove the ignition coil from that cylinder and replace it with one from a non-misfiring cylinder. It can also seriously damage your engine. 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. Advertising - So I would start there and then continue troubleshooting from whatever code you get. 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. In rare cases, it can also happen because of low engine compression. Aside from an oil extractor pump, you need a container to pour the excess oil, a clean rag, and a pair of gloves. Additionally, Ford redesigned the timing chain in response to concerns about the previous designs reliability. What do I do? random misfire and cyl 4 misfire. 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 you do this, and change spark plugs every 30k miles, you will never have a misfire ever again. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Good morning. On the 2.7L EcoBoost expect to replace spark plugs at around 40,000 to 60,000 miles. All Rights Reserved. UPDATED: I have had an issue since I purchased the truck 10 months ago. 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. Started 2 hours ago, By Copyright text 2021 by driveceladon.com. The carbon build-up causes uneven combustion, and it messes up the air-fuel mixture. Best regards, Hi Mr. Selln Therefore, the first thing you want to do when diagnosing misfires is to check the trouble codes with an OBD2 scanner. Like you I thought spark plugs and changed them early on but sadly no improvement. Many faulty 3.5 EcoBoost timing chains, on the other hand, were almost certainly replaced at some point. 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 . No. Therefore, if you notice that your car engine idles rougher than usual, it could be a sign of a misfiring engine. Paul 56 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. Changed the coil packs, no improvement. Hearing some funny sound underneath the engine. Shops frequently charge between $400 and $600 for this service, so its not exactly inexpensive. Modern cars have good monitoring systems for all the different car sensors on the engine. SMax auto is slow to shift down to 1st gear. Youll also want to inspect the spark plugs and ignition coils. Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. On Christmas morning 2019, I began pulling away hard from a traffic light, when suddenly the 3.5L Ecoboost in my 2016 Ford Expedition stumbled a couple of times. It is one of the variables over which we have no control. These are plastic components, so be careful that you dont break them. Removing #1 resulted in NO difference in idle. Again, be careful that you dont apply to much force and break the plug. The dip is so fast the computed pressure in kPa doesn't mirror the raw voltage, but both their trends look noisy. After a bit of discussion we realised that my scan tool and the garage scan tool both indicated that the low range fuel pressure sensor was showing 5 volts which sounds more like open circuit than an an accurate reading. Additionally, Ford did an excellent job with the second-generation 3.5 EcoBoost in addressing some of the issues. If the misfire persists after installing the new cylinder, youve identified the source of the problem. Parts cannon loaded and ready -- Customers paying -- Fire at will !! Automotive Performance, Tuning, & Modification. Remove the dipstick and place it on the clean rag to avoid contaminating dirt and debris. I finally adjusted the float screw anti clock wise and my problem was solved. My caddy 1.6 carb had still misfired after changing coil, boggy cords, plugs, distributor cap, rotor and some fuel lines. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. Otherwise, its primarily labor associated with gaining access to the intake ports. Take care of the 3.5 EcoBoost and it will almost certainly reward you with a pleasant, reliable driving experience. We used Mitchell 1 to look up the information for setting a P0300. 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. 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.
