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P0303 Diagnostic Trouble Code Discussion for April 2015

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2006 Honda Pilot EX 3.5L bad throttle respons VIN: 5FNYF28436
P0303: Cylinder 3 Misfire Detected. CEL comes on when the engine rpms go up to 1700 and the throttle will be very sluggish-will raise rpms slowly. Customer is not able to drive at all. The engine is turned off for a second and on restart everything seems fine. Engine runs smooth and misfire code...
April 06, 2015
2006 Ford Taurus SEL 3.0L Hesitation, Misfire VIN: 1FAFP56U36
P0303: 3 Cyl Miss. Hello and thanks for looking at my post. This car came in with these codes and a miss on accel and going up hills. Checked and the plug gap was .060+ and specs say .044, so I replaced the plugs. Could not detect a bad coil or wiring from the testing on Code P0...
April 08, 2015
2006 Honda Pilot EX 3.5L bad throttle respons VIN: 5FNYF28436
P0303: Cylinder 3 Misfire Detected. CEL comes on when the engine rpms go up to 1700 and the throttle will be very sluggish-will raise rpms slowly. Customer is not able to drive at all. The engine is turned off for a second and on restart everything seems fine. Engine runs smooth and misfire code...
April 13, 2015
2002 Subaru Impreza WRX 2.0L Hesitation, Cuts out, Misfire VIN: JF1GD29672
P0303: Cylinder 3 Misfire Detected. Unplugging MAF sensor makes it run normally, tried a known good OEM MAF with no change. It would seem that it still has a bad MAF but a total of three new have been installed with zero change.
April 23, 2015
2002 Subaru Impreza WRX 2.0L Hesitation, Cuts out, Misfire VIN: JF1GD29672
P0303: Cylinder 3 Misfire Detected. Unplugging MAF sensor makes it run normally, tried a known good OEM MAF with no change. It would seem that it still has a bad MAF but a total of three new have been installed with zero change.
April 27, 2015
2007 Isuzu NQR 5.2L No Start, Cuts out, Stall, Runs for 30 seconds
P0303: Before cylinder head gasket replaced. I took head off. The corrosion damage was not pretty but to my mind repairable. I had the head rebuilt by a major rebuilder who does turbos,injection pumps,injectors ect. who i trust. According to the cylinder head man there he took off .003 inch and I would b...
April 28, 2015