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? As a result, spark plugs and ignition coils start bringing issues. A class-action lawsuit just filed says that the 1.5-liter, 1.6-liter, and 2.0-liter EcoBoost engines leak coolant into cylinders. Therefore, the first thing you want to do when diagnosing misfires is to check the trouble codes with an OBD2 scanner. A misfiring engine can be a serious problem that should be fixed as soon as possible. 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. Did you fit standard OEM? Compare the results with the manufacturers specifications, and if the compression is low on a cylinder, you need to inspect the engine parts such as the timing belt, piston rings, valves, or pistons. The dip is so fast the computed pressure in kPa doesn't mirror the raw voltage, but both their trends look noisy. Although mostly reliable, a Ford 2.7 EcoBoost engine has problems including carbon build-up, oil pan leaks, and spark plug and ignition coil issues. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. Finally, when the timing chain stretches, it can throw off the ignition timing, resulting in drivability problems. Otherwise, its primarily labor associated with gaining access to the intake ports. 2015 ECO 3.5 Misfire-Tried everything, I think. While this is a common issue with the EcoBoost, it does not occur with every engine. Yeah the misfire is only on cylinder 4 according to the AP and about 2 weeks ago it began. Drop In Engine Power: . Zain from S.A, I have a bmw e30 320i 1989. The majority of 3.5L V6 EcoBoost engines should have no significant issues reaching 200,000 miles or beyond. A design defect allows coolant to leak into the cylinders of the 1.5L, 16L, and 2.0L EcoBoost engine. To determine if you have low compression, remove the spark plugs. 97 Toyota 4Runner 2.7 engine. Keep your Ford F150 truck running strong. Verified plugs and wires by swapping #1 with #3. northern_nubie How to Spot Carbon Buildup. Ford had a PCM reflash for these cars after the first few model years for the computer as to not trip a code on cold start misfires. . Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. 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. To protect yourself, here are the tried and true methods: Remember, the root cause of ecoboost misfire is the condensate buildup from the intercooler. 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. Pretty common to have a misfire on these motors on cold start. A blown head gasket can cause low compression. Engine Control Unit (ECU) begins to misbehave . Manage Preferences -
Here is a more detailed list of the most common cause of engine misfires: 1. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. Carbon deposits can result in cylinders receiving an uneven amount of air. The second most common cause of a misfiring engine is bad or failing spark plugs. Started Thursday at 09:54 PM, By The Ford 3.5 EB strikes an excellent balance of power, torque, towing capacity, and efficiency. Again, the method outlined above is an effective way to ascertain the source of the problem. 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. If the engine speed increases, it means there is a leak and the engine is injecting the flammable spray. Hi guys Hello from Denmark .I have a Audi A6 C4 2.8 ACK engine ,somtime i lose Ignition on one cylinde,i have change the spark plugs,ignition coil and the spark plugs wires.when i pull the spark plugs wires out from the spark plug next to the one that dont work it comes back one ..and all 6 cylindre works fine .then i can take the car for a spin and the same thing happento i pull out the spark plugs wires next to the bad one ..and its on the same cylinder every time ..is it a bad injection valve ? According to . Walnut blasting should be performed every 70,000 to 100,000 miles as preventative maintenance. This is a lot of Ford and Lincoln EcoBoost engines. He shows location of low side pressure sensor (and goes through other common faults). Is it in the fuel tank as part of the pump module? Misfire Codes: A bad timing chain tensioner or guide also causes the check engine light to illuminate. Youll also want to inspect the spark plugs and ignition coils. @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. Faulty plugs. Although the engine appears the same on my car there is no sensor on the low-pressure side fitted. Best regards, Hi Mr. Selln Spark plugs should be replaced on a schedule for all car models, and not replacing them on time can cause fouled spark plugs, which can cause misfires. Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. Condensation in the Intercooler. At 96,000 Miles. Carbon build-up is primarily an issue with first-generation engines. Started 3 hours ago, By However, this problem still pops up from time to time in the Ford 3.5 Ecoboost engine upgrades. If you get a vehicle in that is not generating enough boost, don't automatically assume it is the . 9. If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. Privacy Statement -
Symptoms of 2.0L EcoBoost Coolant Intrusion. 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. OK ForScan up an running and after much testing I can see the fuel rail pressure sensor raw voltage signal intermittently dropping to zero volts for a few mili-seconds then recovering. The carbon build-up causes uneven combustion, and it messes up the air-fuel mixture. On the 2.7L EcoBoost expect to replace spark plugs at around 40,000 to 60,000 miles. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. Check battery terminals are properly clamped and that the earth lead between the engine and chassis is good. You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. Poor Performance. Issue Severity: SEVERE - Stop driving immediately. Any ideas out there? Please register or login to enable Dark Mode. The Latman [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. To the OP glad your running top notch, and here I thought this was going to be positive threadthat was short livedlol. I4 2.3L EcoBoost Engine / Mods: Bolt-ons, Exhaust, . 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. As a result, carbon accumulates on the intake valves over time. Get at least 20% off selected Ford parts on eBay View parts on eBay now! Started February 26, 2015, 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). To be fair to the Ford 5.0 Coyote engine, we believe the 3.5 EcoBoost is a clear choice if offered. New plugs areNGK Spark Plug SILZNAR8C7H (93593) same NGK part number as the originals. While the 3.5 EcoBoost is an excellent engine in general, no engine is perfect, and this is true here. You can check for vacuum leaks by gently spraying a flammable spray around the engines intake manifold while the engine is idling. 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.
Ford did an excellent job updating the second generation 3.5 EcoBoost engine. 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 . 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. Key Points. @GARY MASSEY Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. Remove the spark plug and ignition coil from that cylinder and visually inspect them and replace them if they look bad or dirty. I think the Fuel Pump Module is at the Fuel Tank, I'm not sure where it measures the pressure though. Your link has been automatically embedded. https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. Vehicle does not drive like it used to. It is, however, inherent in owning a twin turbo, direct injected engine. To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. Additionally, while youre in there, consider replacing a few other small items. As a result, the cylinders of the 2.7 EcoBoost may experience inconsistent air delivery due to restricted airflow. If you find trouble codes on an engine sensor or low fuel pressure, youll want to start the diagnosis from there. 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 . 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+. i have a 2013 kia forte, the check engine light came on and, the car does not have an engine problem. This oil eventually cakes onto the intake valves as it travels through the intake tract. In many ways, its the best of both worlds, as DI has numerous advantages over PI. I got my Polo 6 TSI 2010 Year model, im very suprisingly without any notice while driving multiples of warning light poped up on the dashboard namely ' ENGINE CHECK ,ABS, EPC, ESP and on a suden the idle of engine have changed, as I try to accelerate i feel engine like jerking , what could cause these and how will fix it??. Advertising -
Causes & How To Fix It. . 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. 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. If youre experiencing misfires, heres an easy way to determine whether the problem is with the spark plug or coil. 1. Symptoms of 3.5L Ecoboost misfire are usually related to heavy carbon build-up on the ignition coil. 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. If you already checked the fuel supply and the spark and couldnt find any problems with it, there is a risk of low compression in your engine. It may stall, and not be able to start again, until you turn the ignition all the way off and back on again. plasticpat Fuel related misfires can be caused from too much fuel. Dave thanks for your reply and suggestions. 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. Contact Us -
However, when only DI fuel is used, there is nothing to assist in cleaning the ports and valves. I don't know what Scan Tool you are using but FORScan is your best bet for Live Data on any Ford car. Ford, on the other hand, took it a step further by offering a 647hp variant of the legendary Ford GT. Remove the plug on the ignition coil of the cylinder you're working on. Puzzled. Low coolant levels can lead to the engine overheating, misfiring, or catching on fire. Remove the insulated cover over the injection pump to get to spark plugs # 5, and #6. 2. When the engine control module receives the data, it will determine if the problem is serious or not. Not too shabby in terms of longevity. UPDATED: I have had an issue since I purchased the truck 10 months ago. John, thanks for your reply. Glad you found something that works. Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. Every engine suffers from some degree of oil blow-by. Fuel related misfires can be caused from not enough fuel. A DIY solution to a water leak can have disastrous results. 1. If your vehicle is no longer under warranty and you experience timing chain issues, you may be able to work with Ford. 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. In rare cases, it can also happen because of low engine compression. Many faulty 3.5 EcoBoost timing chains, on the other hand, were almost certainly replaced at some point. 5. Ford told me that plugs 2 and 6 are cracked and coil in number 2 needs replaced. Declan19971 Fuel related misfires can be caused from bad fuel. The car is my daily driver and I'm not necessarily looking for an . When one or more cylinders do not fire properly, the engine will become unbalanced, and this can cause severe vibrations inside your car when accelerating or idling. runs rough, no white smoke, no water in oil. If you are installing brand new plugs, tighten them until you feel the new crush washer collapse. by Aungsty Thu Mar 23, 2017 6:38 pm. Only history I have is the truck has had all six ignition coils replaced . If not, change them, 6: If all that fails then it could be a clogged injector or a coil is going down, FORScan: https://forscan.org/download.html, New style 'vLinker FS' lead for use with the latest version of FORScan: https://www.bmdiag.co.uk/forscan-diagnostic-cable-for-ford-vgate-vlinker-fs. Most likely, you will be unaware of a gradual loss of power over a period of several years. Diagnosis: A cylinder 3 misfire can be caused by anything from faulty spark plugs to low engine . Although most modern cars use an electric fuel pressure sensor, youll want to confirm the results with a manual fuel pressure gauge, because an electronic sensor can fail. 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. . Re: 2011 f150 ecoboost misfire p0301. I'd get rid of this truck if I could but the timing just isn't right. Avoid over tightening the new spark plugs to prevent from stripping the aluminum threads. However, because carbon build-up occurs over time, it is frequently difficult to detect. Insulation and wiring loom made good, bracket modified to keep clear, injectors refitted and all other parts. I am debating on whether to go with another oem turbo or get an aftermarket higher performance turbo.
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