New plugs areNGK Spark Plug SILZNAR8C7H (93593) same NGK part number as the originals. Carbon deposits can result in cylinders receiving an uneven amount of air. Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. FORScan can access Mode 6 but I don't know what TID's are available for your car. I did the thottle position sensor reset procedure and that helped for about 2 days. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. There arent many issues that frequently occur with these engines. Starting at the PCM, centimetre by centimetre the loom was inspected for clues. 2.7 EcoBoost stumble on highway acceleration - F150 Forum The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. Parts of the ignition system such as spark plugs and ignition coils are also a disadvantage of turbocharging. I have to admit I'm pretty fed up and disappointed with the ecoboost. Tighten the plug in the clockwise direction with the 3/8 drive ratchet to just past hand tight. laumk7 Any no improvement. The engine started fine and has been driving perfectly for over a week now. However, finding these vacuum leaks is often quite easy and we will talk about that further down in the article. 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. Started 4 hours ago, By The last number represents the cylinder that is having the misfire. 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. Joined: Thu Mar 23, 2017 6:09 pm. Causes & How To Fix It. Code says multiple misfire's . Ford F-150 Misfire Symptoms. Leave a comment and inform us! Your previous content has been restored. 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. Contact Us - You can also open the hood of your car and watch the engine idle. The carbon build-up causes uneven combustion, and it messes up the air-fuel mixture. Copyright text 2021 by driveceladon.com. Declan19971 they then suggested that I replace all plugs and boots and get an induction flush. The wideband front O2 sensor should show a Current of 0 most of the time under constant or no Throttle openings. 4. It also causes the plug to misfire. when overtaking. 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. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. I have not noticed any slack in the joint. https://www.bmdiag.co.uk/forscan-diagnostic-cable-for-ford-vgate-vlinker-fs, Touch up repairs - clues/recommendations/tips, Front end creaking/ knocking when breaking, Windows not working mk7 1.0 2016 red edition, My pcv valve is leaking oil onto the radiator fan, Ford Focus Titanium 2015 - Battery Issues. 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. 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 dielectric grease will help seal out any moisture, dust or debris and ensure a reliable electrical connection. However, the ignition components on the 3.5 twin turbo EcoBoost engine are likely to wear out much more quickly. Another possible problem that can cause misfire fault codes on only one side is low compression. Also make sure that the correct viscosity of oil was put in as the wrong "weight" of oil can make the VVT malfunction. Started Thursday at 09:54 PM, By 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). Removing #1 resulted in NO difference in idle. Faulty coils and broken electric wires. 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. Condensation in the Intercooler. Again, the method outlined above is an effective way to ascertain the source of the problem. Glad you found something that works. Apply some dielectric grease to the opening in the rubber dust boot at the bottom of the ignition coil. This video may help. . 1. Small bore plastic vacuum lines around the back of the engine have been removed and inspected, all look fine. If you dont know when you last changed the spark plugs, you need to check your service manual and replace them if necessary. Carbon tracking is where the spark fires between the top of the plug and the base, across the ceramic shell. Please register or login to enable Dark Mode. Check the fuel pressure and compare it to the manufacturers specifications. Turbo engines require more maintenance than the average engine. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. For complete cylinder combustion to occur, the engine needs three important things, and that is the correct air/fuel mixture, compression, and spark. I think the Fuel Pump Module is at the Fuel Tank, I'm not sure where it measures the pressure though. Ignition coils have a life expectancy of 25,000 miles if were lucky. Symptoms And Diagnosing A Failed Or Clogged Fuel Injector - MotorTrend As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Carefully lower the new spark plug down into the well. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. Insulation and wiring loom made good, bracket modified to keep clear, injectors refitted and all other parts. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. Ford 2.7 EcoBoost Now Problematic Did compression test and cylinders were 150, 150, 149, 149. 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. But, if the wastegate or bypass valves are leaking, you might not hear any noise. As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). All of these parts are often very expensive to replace, so you want to make sure you do a proper diagnosis before replacing them. The most common causes of engine misfires are bad ignition coils or failed spark plugs. Automotive Performance, Tuning, & Modification. Did you fit standard OEM? It is important to start by reading the error codes to know where to start troubleshooting. 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. 7. Cookie Policy - The 5 Most Common Ford 2.0 EcoBoost Engine Problems Started 4 hours ago, By Its a simple task that almost anyone can complete in less than an hour or two in their driveway. Magnus is the owner and main author of Mechanicbase. In fact, nuzzle 2 & 3 does not bring up any sign it is OK when removed from the plug head to the nuzzle. My problem is, that it starts shaking when I accelerate to a certain speed. Was told it might be the fuel sending unit . Common Ford 3.5L EcoBoost Engine Problems - Soulmate Twin Flame This after they told me that the dealer and ford engineering thought it was a bad fuel injector . 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. These are the most common symptoms of 2.0L EcoBoost coolant intrusion, but not all of them. In addition, the check engine light may also be on if misfires are specific to a particular cylinder. Curing Intercooler Condensation And Oiling Issues - Tomorrows Technician Started February 20, By Kinda forgot the power the 3.5 eco boost had when it was running rightat least no cops were nearby lol. I am having same issue. The most common code you will see is the P0300 code, along with a code like P030X. Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. Started Wednesday at 06:15 PM, By 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). You can also use an EVAP smoke machine to easily find vacuum leaks, but these are often quite expensive and probably not something most people have in their garages. Engine Misfire - Meaning, Causes, Symptoms & How To Fix It - Mechanic Base While this is a common issue with the EcoBoost, it does not occur with every engine. Ford 2.7 Ecoboost Problems - CoPilot random misfire and cyl 4 misfire. Labor should cost less than $100. Thx, My toyota vitz 2nz engine still misfiring even after puting new plugs wat can b the problem. Carbon build-up is primarily an issue with first-generation engines. READ MORE: 15 Types of Car Sensors (& What They Do). At 96,000 Miles. Keep your Ford F150 truck running strong. Turbo engines do require some additional maintenance, but we believe it is worthwhile in the long run. Change the oil on time, use high-quality oils, and address issues as they arise. Ford 2.7 EcoBoost Spark Plug & Ignition Coil Symptoms. 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. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. This has a detection period of 1000 engine . My thinking is at low absolute loads the target fuel pressure is relatively low so the PCM is looking at the low range sensor, however this is at a constant 5 volts (no pressure conversion on my scan tool) which sounds like top scale, so the PCM thinks it needs to shorten the injector pulse width. Ford EcoBoost Problems Lead To Class Action Lawsuit Often, spark plugs are to blame, as their lifespan is significantly shorter than that of ignition coils. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. 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. Overly rich running engine. Turbos lead to high cylinder pressures, which in return stress the entire ignition. The Latman An engine with a bad ECM will often run rough and misfire. 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. 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. 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. I had an F150 and an Escape both do exactly these same things. Those idiots told me I needed a new charge air cleaner, intercooler, possibly new turbochargers and whatever it was would be like $3000. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Dirty filters/Fuel filter clogging. It is one of the variables over which we have no control. Advertising - 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. I have a 2003 BMW 745i 7 series. Shudder fix additive can also help as stated above. Additionally, engines are prone to a variety of other issues that we are not discussing particularly as they age and mileage increases. This identifies the root cause as the Charge Air Cooler/CAC when it . What do I do? The Ford 3.5L EcoBoost engine can power several models, including the Ford F-150 and the Lincoln Navigator. First check all ground connections are clean and tight. He shows location of low side pressure sensor (and goes through other common faults). There Can Be Damage To Different Parts Of The Motor. If you know a little about cars, youve probably noticed a difference in sounds from different engines. but I don't feel or hear any misses . If I do, Ill update this page. This will give you important information. 2011 f-150 3.5l GTDI misfire under load - SCANNERDANNER You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. I would start with checking for any leaks around the intake and connect a fuel pressure gauge if possible! The injectors are installed Under valve cover and to get to them the plenum and intake manifold needs to be removed. 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. Most likely, you will be unaware of a gradual loss of power over a period of several years. When symptoms exist and there are no codes, it becomes a little more difficult. When it reaches normal speed it quit shaking. We both feel that the the low range fuel pressure sensor reading a constant 5 volts is worth investigating, but as we can actually find a low pressure sensor (under the bonnet) we are none the wiser.