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P0303 Diagnostic Trouble Code Discussion for December 2015

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2000 GMC Sonoma SL 2.2L Surge, Cuts out, MIL Lamp on VIN: 1GTCS1447Y
P0303: Cylinder 3 Misfire Detected. Truck came in with a complaint that the transmission would slip under heavy acceleration, WOT either on a hill or during passing. Transmission is working fine but the engine feels like it runs out of power. O2 goes lean when throttle is right at WOT, pull it b...
December 01, 2015
2004 Jaguar XJ8 4.2L No Start VIN: SAJWA71CX4
P0303: misfire cyl3. Hello Group, Got another one of those intermittent driveability problems which I cannot duplicate because it only happens once in a great while.After car has been driven to normal temp,owner shuts off engine and after a few minutes tries to restart but won't ...
December 02, 2015
2004 Jaguar XJ8 4.2L No Start VIN: SAJWA71CX4
P0303: misfire cyl3. Hello Group, Got another one of those intermittent driveability problems which I cannot duplicate because it only happens once in a great while.After car has been driven to normal temp,owner shuts off engine and after a few minutes tries to restart but won't ...
December 02, 2015
2001 Volvo V70 X/C 2.4L No Start VIN: YV1SZ58D71
P0303: Cylinder 3 misfire detected. Customer bought this Volvo from auction, he replaced a battery, mil lamp was on, engine running rough, takes a long time to start. Scan engine controller for data and codes. (see the above codes) Pulled spark plugs, all worn, #3 plug bad, check compression, al...
December 10, 2015
2010 Volkswagen Jetta SE 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWRX7AJ3A
P0303: misfire 3. vehicle just started to misfire on customer cylinder number 3 replaced all worn spark plugs also coils number 2,3,4 switched injectors multiple times voltage at coils and injectors with in spec cleaned valves with vw procedure compression and running compressi...
December 14, 2015
2006 BMW 650i 4.8L No Start, Stall, Misfire VIN: WBAEK13436
Customer was coming in for a steering light on. On the way here car just died. When cranking the car will try to start if you give it gas I can keep it running for about 10-20 seconds, heavy misfiring and dies out. I have 50 psi for fuel pressure. Has anyone s...
December 16, 2015
2002 Dodge Dakota Sport 4.7L Hesitation, Cuts out, Misfire, Exhaust Backfire VIN: 1B7HG38NX2
P0303: Cylinder 3 Misfire Detected. Real problem vehicle here. Vehicle came in with a bad misfire under load plus backfiring out of the exhaust with no power on acceleration. Always codes a misfire on cylinders 1, 3, and 5. Swapped injectors and coils, codes stayed. Replaced spark plugs (autol...
December 18, 2015