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Contact Us - Discuss all things maintenance here. I changed my plugs and gapped them to the .028 and replaced the boots about a month ago. danielsan8787 Youll have to push down on the gray tab to get the plug to connect from the coil. 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. This leaves a characteristic carbon track on the insulator. Kinda forgot the power the 3.5 eco boost had when it was running rightat least no cops were nearby lol. How long can you drive with a misfiring engine? Misfire Help P0300 P0301 P0302 P0303 P0304 P0305 P0306 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? <>Avoid over tightening the bolt to prevent from cracking the plastic ignition coil housing. When I first purchased the fuel mileage was horrible but my smiles per mile was up, now the best Ive seen from the lie-o-meter was 19mpg on the highway and heck I still smiled.WTH..lol. Tighten the bolt in the clockwise direction with the 8mm socket and a 1/4 drive ratchet until it is snug. A random misfire means is that a misfire is detected . The bracket was removed, and loom insulation damage was visible. I do see codeB10EA from the positive temperature coefficient heater sometimes but have assumed that cant be related. The plugs should be fine, then. Older cars use a distributor to distribute the spark to all the spark plugs, which are powered by an ignition coil. Checked all the ground connections I could find, they all looked good. 4 Most Common Ford 3.5 EcoBoost Engine Problems - Tuning Pro 036 inch, the old ones were less than the specification gap. Regards In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. Hi my name is Victor I have a 07 Pontiac Grand Prix V6 I am getting a code low sufficiency threshold have changed wires plugs coils and it runs fine and when I put it under a load start start to run rough so what clean the injectors again it runs fine until I put under load what is the problem, I replaced both coils 8 spark plugs and wires still running bad checked my ekg valve it works motor still shakes and body as well could it be a faulty fuel injector I need help. I'd get rid of this truck if I could but the timing just isn't right. Cookie Policy - Spin in the spark plug a few turns by hand in the clockwise direction to prevent it from becoming cross threaded. While the 3.5 EcoBoost is an excellent engine in general, no engine is perfect, and this is true here. Low Engine Compression. Check the fuel pressure and compare it to the manufacturers specifications. According to . Misfires Rough idle Stuttering / hesitation Power loss Check engine light (misfire codes) Prevent ignition coil failures Poor Performance. Ford 1.5 EcoBoost Engine Problems: The 4 Most Common Problems, ignition system such as spark plugs and ignition coils, 10 Best Digital Calipers In 2022 Expert Review, 10 S9 Charging Cable Of 2022 Reviews & Comparison, 10 Projectors For Laptops Of 2022 Reviews & Comparison, 10 Brother Mfc L5900dw Of 2022 Reviews & Comparison, Top 10 Porter Athletic Equipment Recommended By Editor, 10 Harry Potter Proclamation In 2022 Expert Review. If you notice that it vibrates more than usual, it could be a sign that the engine is misfiring. Thank you for your help. Every 10,000 miles, our twin turbocharged 335i with the N54 engine requires new spark plugs. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. . In the case of a misfire a P0300 (random or multiple cylinder misfire), or specific cylinder P0301-P0306 should have triggered. V8 engines have a completely different tone than a four-cylinder engine, for example. Yes. Apply some dielectric grease to the opening in the rubber dust boot at the bottom of the ignition coil. Truck: 2011 F-150 XLT Super Crew. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. Therefore, if you have checked the basics, it may be worth taking your car to a qualified mechanic for expert advice. . Ford 3.5 Ecoboost Misfire - Spark Plug Change - Blue Oval Trucks Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. The upstream O2 sensor, HP fuel pump and fuel rail pressure sensor have been changed. Started February 26, 2015, By 00:00 / 00:00. 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum Certain DI engines can even run their entire lives without any valve cleaning. Some F-150 owners have complained of a mysterious misfire on these engines. The misfire code will indicate that something is not right with the engine. If you "tune" this engine expect to replace spark plugs every 10,000 miles. Was told it might be the fuel sending unit . Started February 9, By Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. Rev going down and vibrating when gear is engaged. The first day I had my truck, changed plugs and boots.had to it misfired like mad on the way home and knew it had to be done..got a extra 1k trade in for taking it that way and then drilled hole, also cleaned the maf sensors, ran like a champ and still does. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. You may also notice problems such as the engine stalling at idle or an uneven idle that jumps up and down. Here is a look at (2) of the spark plugs that I removed. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. 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. Carefully lower the new spark plug down into the well. Vehicle does not drive like it used to. He shows location of low side pressure sensor (and goes through other common faults). Turbo engines do require some additional maintenance, but we believe it is worthwhile in the long run. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. 5/8-inch spark plug socket for 3/8-inch ratchet. 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. Not too shabby in terms of longevity. However, be very careful when doing this and have a fire extinguisher ready. Woww wow wow great article! My problem is, that it starts shaking when I accelerate to a certain speed. The carbon deposits can cause un-even amounts of air to enter to cylinders. 165k miles #1 cyl misfire code. With a false high fuel pressure this leads to lean running and the fuel trim controls ramp up to compensate. Most likely, you will be unaware of a gradual loss of power over a period of several years. Tajsingh Another possible problem that can cause misfire fault codes on only one side is low compression. Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. Simply because these issues are classified as common does not mean they affect a large percentage of 3.5 V6 engines. Castrol Edge vs. Mobil 1 Oil: Differences & Which Is Better? 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. All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. I would start with checking for any leaks around the intake and connect a fuel pressure gauge if possible! 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. Carbon build-up is simply a disadvantage of relying solely on direct injection. You cannot paste images directly. Diagnosing Turbo Boost And Leak Problems - UnderhoodService Were the loom turns behind the engine there is a metal bracket which supports the connectors to the two oxygen sensors. This has a detection period of 1000 engine . You may also notice other performance issues, like slower acceleration than usual or a stalling engine while 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. 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. 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 ??? However, when only DI fuel is used, there is nothing to assist in cleaning the ports and valves. Push in the red plastic lock tab to secure the power plug. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Any advice is welcomed. Ford EcoBoost Problems Lead To Class Action Lawsuit If you dont know when you last changed the spark plugs, you need to check your service manual and replace them if necessary. laumk7 Connect a compression gauge to the spark plug holes and crank the engine several times. Your link has been automatically embedded. The 3.5 EcoBoost engine from the first generation is found in the following Ford and Lincoln models: Ford began offering the second-generation EcoBoost engine in select models in 2017. Attacking no-code misfires | Vehicle Service Pros Reason for update: update the vehicle model years affected and production fix date Model: Ford 2017-2020 F-150 Engine: 3.5L EcoBoost 2018-2020 Expedition Lincoln 2018-2020 Navigator Summary This messes the air-fuel mixture causing the Ecoboost to misfire on your Ford F150. These cars are prone to misfires if the variable valve timing is malfunctioning. Ford 3.5 EcoBoost Engine Problems: 3 Most Common Issues 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. 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. Within about 5 minutes of leaving the pump the engine was struggling. If your vehicle is no longer under warranty and you experience timing chain issues, you may be able to work with Ford. RyanP2023 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. 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. Symptoms of 2.0L EcoBoost Coolant Intrusion. RELATED: 8 Causes of Low Compression in a Car Engine (& How to Fix). This disturbs the air-fuel mixture, which may result in the 3.5 EB misfiring. 9. Often, it is simply normal wear and tear, but early problems are possible. The next thing you want to check is the fuel pressure. 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. These are typically urgent issues that should be addressed immediately. The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . 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. 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions. Your previous content has been restored. 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. Overfill Engine Oil Symptoms - How to Fix It? - Rx Mechanic Fuel related . 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. As a result, carbon accumulates on the intake valves over time. Automotive Performance, Tuning, & Modification. 7 Common Ford F-150 2.7 and 3.5 EcoBoost Problems Started Thursday at 09:49 AM, By He has been working as a car mechanic for over 10 years, and the majority of them specialized in advanced car diagnostics and troubleshooting. 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. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. Privacy Statement - good article but didnt cover a p0300 with misfires on all cylinders on 1 bank of a v8. I thought it was misfiring or driveline related. 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. I've pulled the injectors and sent them for cleaning and testing, will report back results. However, finding these vacuum leaks is often quite easy and we will talk about that further down in the article. Rough acceleration is a typical sign that your engine is misfiring. 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. Read more: Low Fuel Pressure Symptoms, Causes (& How To Fix it). The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. 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. Ford addressed this issue with the second generation 2.7 EcoBoost by utilizing port injection. For the car engine to work properly, the perfect mixture of air and fuel is required, along with a clear and strong spark. It also causes the plug to misfire. Additionally, engines are prone to a variety of other issues that we are not discussing particularly as they age and mileage increases. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. This after they told me that the dealer and ford engineering thought it was a bad fuel injector . It accuses Ford of selling cars with cracked heads, seals not sealing, and catastrophic engine failures. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. Paul 56 We used Mitchell 1 to look up the information for setting a P0300. If the engine speed increases, it means there is a leak and the engine is injecting the flammable spray. Several Ford owners have filed a proposed class action lawsuit against the automaker alleging a vehicle defect in the EcoBoost engine causes coolant to leak into the cylinders, causing the potential for engine fires and failure, misfires, collision risk, and costly repairs.. Any no improvement. Ford F-150 Misfire Symptoms. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. Automotive Performance, Tuning, & Modification. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Carbon build-up is primarily an issue with first-generation engines. This has been done since 2011 to get these 3.5 ecoboosts to work better. Need some advice here, I have a 2015 F150 3.5 Ecoboost. Verified plugs and wires by swapping #1 with #3. Fuel related misfires can be caused from not enough fuel. I would like to congratulate you on the simple way of explaining this article on misfire troubleshooting. Anyone changed a PCM for a second hand unit, can ForScan do the setup and or reprograming?