Remove the ignition coil from that cylinder and replace it with one from a non-misfiring cylinder. This misfiring of the Ecoboost leads to rough idling, stuttering, and fault codes. I have had it in several times, with no results. On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. CursedBones Rough acceleration is a typical sign that your engine is misfiring. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. By Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum, 2006 F150 5.4 Sputtering - New thread CONDENSED. The 5 Most Common Ford 2.0 EcoBoost Engine Problems This is what causes the misfire. Connect a compression gauge to the spark plug holes and crank the engine several times. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. Earlier generations of gen 1 engines encountered issues with timing chain failure and carbon buildup. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. Carefully lower the new spark plug down into the well. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. What Are The Symptoms Of Engine Misfires? For complete cylinder combustion to occur, the engine needs three important things, and that is the correct air/fuel mixture, compression, and spark. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. The carbon build-up causes uneven combustion, and it messes up the air-fuel mixture. Another frequent symptom of carbon buildup on the Ford 3.5L turbo engine is decreased power. F150 3.5L Ecoboost misfiring | Ford Forums A high-quality shop vac and walnut media shells are required for this job. The most common code you will see is the P0300 code, along with a code like P030X. 2011 f-150 3.5l GTDI misfire under load - SCANNERDANNER Any ideas out there? Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. Common Ford 3.5L EcoBoost Engine Problems - Soulmate Twin Flame V8 engines have a completely different tone than a four-cylinder engine, for example. Started 8 hours ago, By If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. Now invested in FORScan and cable suggested above so will dig a bit further over the next few days, any suggestions on which variables to monitor? Manage Preferences - If you get a 3.5L EcoBoost in your shop with misfire code(s) P0300-0306, pull the plugs and coil boots and look for . Seriously you need to find a different garage. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. Although this is a very rare occurrence, it is critical to repair the timing chain promptly if problems arise. This will give you important information. This video may help. plasticpat 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 ??? To the OP glad your running top notch, and here I thought this was going to be positive threadthat was short livedlol. Connect a fuel pressure gauge to the fuel rail and start the engine. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. If you have an account, sign in now to post with your account. NOTE CYFS-12-YT4 replaced the original CYFS-12-YT3 spark plug. 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. I need some direction with this one. Started 3 hours ago, By When it reaches normal speed it quit shaking. Condensation can build up and be trapped in the intercooler on certain F-150 models with the 3.5L EcoBoost V6. 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. If you know a little about cars, youve probably noticed a difference in sounds from different engines. Started August 19, 2022, By In rare cases, it can also happen because of low engine compression. Posts: 3. Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. Advertising - 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. My guide has information on the top 9 most common F150 PCM problems and their symptoms. Replacing the timing chain and other critical components is not a simple or inexpensive task. Ford 2.7 EcoBoost Now Problematic 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. Fuel related misfires can be caused from not enough fuel. 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. Turbocharged engines place a great deal of strain on the ignition system, owing to the incredibly high cylinder pressures. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. 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. However, it is entirely possible that this is simply because the F-150 is the most popular model equipped with the EcoBoost engine. Ford F-150 3.5L Ecoboost Repeat Engine Misfires: Diagnostic - YouTube The engine in modern cars uses many sensors to measure everything in the engine to make them as efficient as possible. 2011 f150 ecoboost misfire p0301 - Ford F150 Forum Lower the ignition coil back down into the well and push it on to the top of the new spark plug. The dielectric grease will help seal out any moisture, dust or debris and ensure a reliable electrical connection. Ive been driving the Expedition for a month now with the new plugs, and havent received a misfire code. Its a simple task that almost anyone can complete in less than an hour or two in their driveway. 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. Like you I thought spark plugs and changed them early on but sadly no improvement. Fuel related misfires can be caused from too much fuel. Speechless. You can post now and register later. Matilda Magnetic build 2019 6.5' bed crew cab fx4 heavy tow.. Do Not Sell or Share My Personal Information. Car wont move after CV Joint replacement. I had a hard time describing what it was, but now this is the clearest description of . Hi guys If this does not work, repeat the procedure using the 3.5 EcoBoost spark plugs. Having said that, well delve deeper into these 3.5 EcoBoost issues below. Started 4 hours ago, By In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. As for these Ford 3.5 EcoBoost, problems result from the engine using a direct injection fuel system and being twin turbo. Leakage and excessive fuel burn. Zain from S.A, I have a bmw e30 320i 1989. If youre running a tune, making mods, or driving the 3.5 EcoBoost hard, the lifespan of the ignition components can be significantly reduced. Naturally, that engine receives some upgrades over the standard 3.5 EcoBoost to accommodate the increased power. 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. Ford 2.7 Ecoboost Problems - CoPilot Removing #1 resulted in NO difference in idle. More precisely, it appears to affect primarily 3.5 EcoBoost engines manufactured between 2010 and 2014. srpocd25 2. By One of the conditions that is required to set the code is a fuel . You cannot paste images directly. You can expect a cost of $200 to $500 to fix a misfiring engine in most cases. However, Ford pioneered the use of turbochargers, direct injection, and variable valve timing. You can check for vacuum leaks by gently spraying a flammable spray around the engines intake manifold while the engine is idling. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Then, clear the codes and drive for a while to see if the problem has moved to another cylinder. However, it is a much simpler job than changing the spark plugs. NQbbe 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. For example, if you see a trouble code like P0300 or P030X, it means that the ECM is detecting a misfire on a specific cylinder, and you may want to start checking the spark plug or ignition coil on that cylinder. 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. I finally adjusted the float screw anti clock wise and my problem was solved. Remove the plug on the ignition coil of the cylinder youre working on. If you "tune" this engine expect to replace spark plugs every 10,000 miles. Thank you for explaining how "misfires" are detected by the camshaft position sensor detecting slight changes in engine speed. Another possible problem that can cause misfire fault codes on only one side is low compression. If your car engine is misfiring, it is important to find out the cause and fix it as soon as possible. Time and the winter will tell. Pasted as rich text. Ford 3.5L EcoBoost Problems - UnderhoodService So the car in now at a local garage and they are struggling as well. Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. I will definetly come back for more updates on how to solve car problems. At this point I decided to just change the spark plugs. If you cant find the issue elsewhere, its definitely worth taking a look at your fuel injectors. Terms of Service - This makes the 3.5 EB an excellent engine for towing and fun around town without requiring full use of the engines RPM range. Labor should cost less than $100. Push a new spark plug into the spark plug socket. @GARY MASSEY As fuel poor pressure measurement and control was one of the key symptoms this was almost certainly the smoking gun. Terms of Service - Its a powerful engine with 355 to 647 hp and plenty of torque. I wasn't very succinct with my summarybut yes, I agree fully with Bravo and Whoand yes, when I have it to do again, I'll never own another boosted motor. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. Failed injectors arent very common on most modern car models, and because of this, youll want to check out the other possible causes first. Ford EcoBoost Engine Leak So Bad There's A Class-Action Lawsuit Vacuum leaks are a common cause of an incorrect air-fuel mixture and are fairly easy to check, so you want to start there. Ford F150 Multiple Cylinder Misfire: Causes, Symptoms, Fix It You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. Its plastic, so you dont want to pry on it or you may break it. 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. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. 2017 Escape 2.0 Ecoboost misfire | 2013+ Ford Escape Forum Codes P0089, P0087 and P2626 were showing but no engine check light. Had a slight misfire so I changed Spark Plugs and Coils. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. 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. 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? Your link has been automatically embedded. Please register or login to enable Dark Mode. The advantage of port injection is that fuel is washed over the intake ports and valves. 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. 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. 3: Clean MAF, ensure air cleaner is clean and not damp, 4: Turbo bypass valve is weak and can leak, fit a turbosmart replacement (cheaper and more durable than OEM), 5: Have the plugs been changed? what could be the cause of car engine running and stopping on the road? 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. The X is replaced with the cylinder number where the cylinder misfire occurs; for example P0301 is a cylinder 1 misfire. Is it in the fuel tank as part of the pump module? RELATED: 5 Signs of a Bad Intake Manifold Gasket (& Replacement Cost). https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. Another subject well delve into. Misfire Help P0300 P0301 P0302 P0303 P0304 P0305 P0306 I am having same issue. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Re: 2011 f150 ecoboost misfire p0301. Aug 11, 2020. The bracket was removed, and loom insulation damage was visible. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. Read more: 8 Symptoms of a Bad Fuel Injector (& Replacement Cost). The truck is setting p0302 and p0305 under heavy acceleration. jsk OEM COILS - Keep in mind no check engine light just a slight miss under light loads and typically above 60MPH (1200-1500 RPM) Didn't solve the problem, re did the process . The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. Misfires can cause serious damage to your engines internal parts and the catalytic converter, which can be very costly to repair. Smoke Can Indicate Danger For You. Ford told me that plugs 2 and 6 are cracked and coil in number 2 needs replaced. @RichBrew has been through this already with the same symptoms as @Cmw458 and I. Don't take this lightly for too long and/or pass it off as carbon build up. The problem is variable and intermittent but looks to be the same using both the original and a spare fuel rail pressure sensor. If either the distributor or the ignition coil creates a weak spark, it can cause misfires. You can either get one yourself, or go to a mechanic and borrow their diagnostic tool to read the trouble codes from the ECM. How to Fix Common 2013 Ford F150 Ecoboost Problems 5 Symptoms of a Bad Oil Control Valve (VVT Solenoid) - Oards Automotive Hub Even if you think it will be very expensive to take the car to a mechanic, it can actually sometimes be cheaper to get a proper diagnosis rather than replacing fully functional parts.