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P0303 Diagnostic Trouble Code Discussion for August 2005

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29622
P0303: Cylinder 3 Misfire Detected. greetings. this one came in for check engine light. scanned, retrieved listed codes. checked data stream - front O2 sensor reading 3.67 to 3.89 volts. this reading does not change when sensor is unplugged from vehicle harness. very occassionaly, scanner will r...
August 03, 2005
2000 Audi A4 Quattro 1.8L Hesitation, Misfire, MIL Lamp on VIN: WAUDC28D9Y
P0303: Cylinder 3 Misfire. Dear Fellow Tech, This vehicle is a stumper. Idle is smooth, all cylinders fire good, it runs fine at times but when it acts up it does not have any power, backfires, sets MIL light and when held at 2000 rpm's, the rpm's drop no matter how much gas you give it...
August 05, 2005
2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29622
P0303: Cylinder 3 Misfire Detected. greetings. this one came in for check engine light. scanned, retrieved listed codes. checked data stream - front O2 sensor reading 3.67 to 3.89 volts. this reading does not change when sensor is unplugged from vehicle harness. very occassionaly, scanner will r...
August 05, 2005
1997 Porsche 911 Carrera 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: WPOCA2994V
P0303: cylinder 3 misfire. car has a rough idle and sets misfire codes. drives ok does not have a misfire driving. Checked ignition on scope ok checked each dist seperately both are ok. dist. belt is ok. fuel pressure and volume are within spec perfomed a cylinder balance test all cyind...
August 10, 2005
2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29622
P0303: Cylinder 3 Misfire Detected. greetings. this one came in for check engine light. scanned, retrieved listed codes. checked data stream - front O2 sensor reading 3.67 to 3.89 volts. this reading does not change when sensor is unplugged from vehicle harness. very occassionaly, scanner will r...
August 03, 2005
2000 Audi A4 Quattro 1.8L Hesitation, Misfire, MIL Lamp on VIN: WAUDC28D9Y
P0303: Cylinder 3 Misfire. Dear Fellow Tech, This vehicle is a stumper. Idle is smooth, all cylinders fire good, it runs fine at times but when it acts up it does not have any power, backfires, sets MIL light and when held at 2000 rpm's, the rpm's drop no matter how much gas you give it...
August 05, 2005
2002 Subaru Impreza WRX 2.0L Misfire, MIL Lamp on VIN: JF1GD29622
P0303: Cylinder 3 Misfire Detected. greetings. this one came in for check engine light. scanned, retrieved listed codes. checked data stream - front O2 sensor reading 3.67 to 3.89 volts. this reading does not change when sensor is unplugged from vehicle harness. very occassionaly, scanner will r...
August 05, 2005
1997 Porsche 911 Carrera 3.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: WPOCA2994V
P0303: cylinder 3 misfire. car has a rough idle and sets misfire codes. drives ok does not have a misfire driving. Checked ignition on scope ok checked each dist seperately both are ok. dist. belt is ok. fuel pressure and volume are within spec perfomed a cylinder balance test all cyind...
August 10, 2005