Additionally, issues with the 3.5 EcoBoost timing chain guides, tensioner, and cam phasers occur. 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. Thank you for explaining how "misfires" are detected by the camshaft position sensor detecting slight changes in engine speed. Reinstall the ignition coils retaining bolt by hand in the clockwise direction to prevent it from becoming cross threaded. If you're located in Florida especially in Hollywood, i wanna meet you so i can get my car fixed for good. 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. Lower the ignition coil back down into the well and push it on to the top of the new spark plug. 8. 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. Therefore, the first thing you want to do when diagnosing misfires is to check the trouble codes with an OBD2 scanner. If the problem comes from the drivetrain and not the engine, the CV joints or driveshafts are common causes. Then, you want to look for vacuum leaks and cylinder compression. I am having same issue. For the car engine to work properly, the perfect mixture of air and fuel is required, along with a clear and strong spark. Ford F150: Bad ECM Symptoms + Diagnosis | Drivetrain Resource If you have a misfire trouble code on a specific cylinder, youll want to start by looking at the spark plugs and ignition coil on that cylinder. PDF TECHNICAL SERVICE BULLETIN 20- 3.5L EcoBoost - Cold Start Ticking Cookie Policy - 2015 ECO 3.5 Misfire-Tried everything, I think. If an issue does occur, it is prudent to replace the entire timing chain assembly. An engine with a bad ECM will often run rough and misfire. Due to the high turbo boost pressures, spark plugs and ignition coils are subjected to significant abuse. The most common causes of engine misfires are bad ignition coils or failed spark plugs. if everything is working correctly. 2013 Ford Escape SEL AWD 2.0 Ecoboost Mileage 110,000 Hello! Overly rich running engine. Additionally, timing chain issues appear to be more prevalent on F-150 models than on others. Started February 26, 2015, By How to Fix Common 2013 Ford F150 Ecoboost Problems Yeah the misfire is only on cylinder 4 according to the AP and about 2 weeks ago it began. 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. 2.7 EcoBoost stumble on highway acceleration - F150 Forum So far the dealership has replaced a coil and all spark plugs, misfire no longer severe, but still present. Always starts and idles perfectly, even passed its MOT. Ford introduced the 3.5-liter EcoBoost engine in the Lincoln MKS, MKT, Ford Flex, and Taurus SHO in 2010. Symptoms And Diagnosing A Failed Or Clogged Fuel Injector - MotorTrend The most common cause of an engine misfire is a bad or failing ignition coil. 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 . This misfiring of the Ecoboost leads to rough idling, stuttering, and fault codes. 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. Now the symptoms are less noticeable there are no codes. Check the fuel pressure and compare it to the manufacturers specifications. Seriously you need to find a different garage. Code says multiple misfire's . As a reminder, the Ford 1.6L timing belt should be serviced every ten years or 150,000 kilometers (whichever comes first). 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). CursedBones Naturally, that engine receives some upgrades over the standard 3.5 EcoBoost to accommodate the increased power. These are the most common symptoms of 2.0L EcoBoost coolant intrusion, but not all of them. I4 2.3L EcoBoost Engine / Mods: Bolt-ons, Exhaust, . On naturally aspirated engines, spark plugs frequently last over 70,000 miles, while ignition coils typically last about twice that. By Ford EcoBoost engines deliver exceptional performance, torque, fuel economy, and towing capacity. The car has now been back an forward to a Ford main dealer over the last two weeks and they are stumped. Clear editor. srpocd25 Maintain the Ford EcoBoost engine properly, and it will almost certainly reward you with a dependable, enjoyable driving experience. I have a different engine to your one but for comparison my Low side pressure is normally around 400-450 Kpa. Ford 1.5 EcoBoost Engine Problems: Reliability, Specs & Reviews TuningPro.co is owned and operated by 8020 Media. Received 13 Likes on 13 Posts. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. On Friday they proposed and fitted a new in tank fuel pump but still in improvement. 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. How to Spot Carbon Buildup. The most common car sensors that cause an incorrect air-fuel mixture are the MAF sensor, the MAP sensor, the oxygen sensor, and the coolant temperature sensor. Several of the most frequently encountered issues with the Ford 3.5 EcoBoost engine include the following: As mentioned previously, the top two issues primarily affect the first-generation 3.5 EcoBoost engine. However, you have some control over how well the twin turbo EcoBoost engine is maintained. The wideband front O2 sensor should show a Current of 0 most of the time under constant or no Throttle openings. Symptoms of 2.0L EcoBoost Coolant Intrusion. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. What are your thoughts on the 3.5 EcoBoost? Damaged injecting tools. We are very familiar with this coming from the BMW world. General discussion on 2009 - 2014 Ford F150 truck. Or are there two circuits in the fuel rail pressure sensor? https://www.youtube.com/watch?v=0J83RZi3eCE, Hi thanks for your reply. An old trick that mechanics often use on car engines with separate ignition coils is to switch the spark plug and ignition coil to another cylinder. Continuing to drive with a misfiring engine can cause serious damage to your cars engine. Your previous content has been restored. 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. Ford told me that plugs 2 and 6 are cracked and coil in number 2 needs replaced. After some research, there are problems with the CAC and many of the trucks left the factory with Mis-Gapped plugs. Fuel related . Ford 2.7 Ecoboost Problems - CoPilot However, using PI has a few additional benefits, most notably assisting in the prevention of carbon build-up. Here is a more detailed list of how to diagnose and fix engine misfires: Modern car engines have a system that monitors all the sensors in the car engine, and if there is something wrong with a sensor, it will store it as a trouble code in the engine control module. data shows primarily cylinder five misfiring. To refer to spark plugs and ignition coils as a issue is probably not accurate. Fortunately, Ford issued a service bulletin in response to these issues. 3.5 EcoBoost Problems: Problems, Costs And Big Recalls - Motor Verso Carefully lower the new spark plug down into the well. Additionally, direct injection causes carbon deposits on the intake valves, which can cause drivability issues. My Toyota corolla 2009 cylinder 2 & 3 is misfiring. The car has run perfectly all summer but in the last couple of weeks the fault is back. This is why you HAVE TO DRILL the 1/16" intercooler weep hole. [FIXED] 2011 f-150 3.5l GTDI misfire under load was created by ptebo1. Fixing a misfiring engine can sometimes be difficult without the right knowledge and tools, due to the multitude of possible causes. If the check engine light is on, there should be a trouble code stored that needs to be checked with an OBD2 scanner. Cookie Policy - With closer inspection it was clear that there was contact between the loom and the square edge of the bracket. Pennzoil vs. Mobil 1 Oil: Differences & Which Is Better? 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. MechEng, Youll also want to inspect the spark plugs and ignition coils. You can either get one yourself, or go to a mechanic and borrow their diagnostic tool to read the trouble codes from the ECM. F150 3.5L Ecoboost misfiring | Ford Forums In some cases, the escaping boost pressure can be heard. 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. Every engine suffers from some degree of oil blow-by. 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. 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. In order to get to the #5 and #6 spark plug, youll have to unplug the harness connector on the injection pump. If I should get a misfire code again, than Ill replace the ignition coil for whatever cylinder the code is for. Update, still not fixed, Ford Main dealer have discussed with Ford UKand both are unable to offer a diagnosis with any confidence. Additionally, the 3.5 EcoBoost may generate the P0016 fault code, which will illuminate the check engine light. Later when I handed it over to the main dealer they changed the plugs again but no improvement. As we talked about earlier, the engine needs the right air-fuel mixture, spark, and compression to fire properly. 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? Again, the 3.5 EcoBoost is an extremely reliable engine in general. This oil eventually cakes onto the intake valves as it travels through the intake tract. Once the carbon deposits become excessive, walnut blasting the intake ports may be necessary. I have not noticed any slack in the joint. In any case, the first generation EcoBoost produces 355-380 horsepower, depending on the vehicle. Tajsingh Joined: Thu Mar 23, 2017 6:09 pm. Advertising - but I don't feel or hear any misses . Even if the repair is not covered under warranty, you may be able to negotiate a discount or other form of compensation with Ford. You also want to ensure that the engines compression is correct, so you must do a compression test on all cylinders. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. 5. Engine misfires are serious. Anyone changed a PCM for a second hand unit, can ForScan do the setup and or reprograming? Causes and Methods to Fix Multiple Cylinder Misfire on Ford F150. Additionally, turbocharged engines, such as the Ford 3.5 EcoBoost, have more components that could fail. Rotate the ignition coil back and forth a few times to help spread the dielectric grease. Misfire after cold start | Page 3 | 2015+ S550 Mustang Forum (GT

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