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. Update, car is back from the garage without a diagnosis. My 2004 skoda octavia 1800 petrol turbo 20 valve engine is misfiring ive had it on dinostic and nothing is showing up its worse in the morning when started up struggling to tick over have you any idea what it could be please. Zain here Carbon deposits should not pose a serious threat to the 3.5 EcoBoosts longevity. Started 14 hours ago, By However, because carbon build-up occurs over time, it is frequently difficult to detect. For the F150 I asked a Ford dealer in Minnesota to diagnose it. Specific information about the Ford 3.5 timing chain problems is scarce. Good morning. in both cases, the engines were significantly under the mileage recommendation to replace the spark plugs. One of the conditions that is required to set the code is a fuel . This is fairly standard procedure for any engine, and the Ford 3.5L V6 is no exception. 8. Changing transmission fluid usually takes care of torque shudder, Torque converter usually isn't bad, just needs new fluid. 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. Thank you for your help. 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? Discuss all things maintenance here. RELATED: 8 Causes of Low Compression in a Car Engine (& How to Fix). pretty much the same story with the Escape (Kuga 2 US version with 2.0 TT eco boost) except I went straight to the plugs without paying a dealer $100 to diagnose it. However, numerous other factors can cause rattle. Ford enhanced the component before redesigning it for the second generation 3.5L twin turbo V6. So far I filled the the tank with premium fuel and added an injector cleaner, no change after 100 miles. 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. It suddenly lost power like it wasnt running on all 6-cylinders, and the check engine light was blinking. Again, be careful that you dont apply to much force and break the plug. Additionally, turbocharging and direct injection assist the 3.5 V6 in remaining fuel efficient and emission-free. danielsan8787 Ford 2.7 EcoBoost Now Problematic Did you fit standard OEM? To fix engine misfires, you need to read the trouble codes from the engine control module and continue troubleshooting from there. I knew my Metro had a burnt valve and low compression, but I would not call that a misfire, since the fuel is burning fine, just leaking into the exhaust and delivering less power.
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