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P0301 Diagnostic Trouble Code Discussion for December 2017

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Toyota Tacoma DLX 3.4L Misfire VIN: 5TEWN72N22
P0301: Cylinder 1 Misfire Detected. Hi Toyota tech’s, this ones a long time problem, on the scanner it shows #1 misses about 6 to 10 times when first started hot or cold and then clears up. Does not always trigger light, but at times it does. What we’ve done is compression test, leak down te...
December 06, 2017
2009 Honda Fit Sport 1.5L Misfire, MIL Lamp on VIN: JHMGE88469
Help Honda Techs!! This fit sets misfire codes in all cylinders.customer states the engine has always ran fine when this happens. we have tested compression, leak down, fuel trim is at 1.02 long and short- all spot on. We have replaced the rear o2 sensor w...
December 15, 2017
2009 Honda Fit Sport 1.5L Misfire, MIL Lamp on VIN: JHMGE88469
Help Honda Techs!! This fit sets misfire codes in all cylinders.customer states the engine has always ran fine when this happens. we have tested compression, leak down, fuel trim is at 1.02 long and short- all spot on. We have replaced the rear o2 sensor w...
December 18, 2017
2012 Land Rover Range Rover Supercharged 5.0L Misfire, MIL Lamp on VIN: SALMP1E44C
P0301: misfire happens on all cylinders. Vehicle towed in with left side timing chain guide broken and bent valves. Rebuilt bank 2 head. Installed all new guides, chains,tensioners,VANOS gears and solenoids for both heads.Changed all injectors based on mileage as they were removed to take off the...
December 19, 2017
2012 Land Rover Range Rover Supercharged 5.0L Misfire, MIL Lamp on VIN: SALMP1E44C
P0301: misfire happens on all cylinders. Vehicle towed in with left side timing chain guide broken and bent valves. Rebuilt bank 2 head. Installed all new guides, chains,tensioners,VANOS gears and solenoids for both heads.Changed all injectors based on mileage as they were removed to take off the...
December 20, 2017
2002 Toyota Tacoma DLX 3.4L Misfire VIN: 5TEWN72N22
P0301: Cylinder 1 Misfire Detected. Hi Toyota tech’s, this ones a long time problem, on the scanner it shows #1 misses about 6 to 10 times when first started hot or cold and then clears up. Does not always trigger light, but at times it does. What we’ve done is compression test, leak down te...
December 21, 2017
2006 Audi A6 3.2L No Start, Stall VIN: WAUKH74F66
P0301: cyl 1 misfire. I got this A6 with a no start, it would just crank over didnt even try to fire seemed like a no fuel issue. first i scanned codes and got 3 misfire codes 2 for one bank and 1 for the other bank. checked low side fuel pressure which was 55 psi with key on, ...
December 26, 2017
2007 Volkswagen Jetta Wolfsburg Edition 2.5L MIL Lamp on VIN: 3VWEG71K87
P0301: cylinder 1 misfire. ... codes p0300 and p0301 Erroneous misfire..Car runs good, no noticeable skipping, hesitation, etc.. monitor misfire counters with scan tool...number 1 cylinder is constantly counting up (fast, as if dead miss) no other cyl...
December 30, 2017