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P0303 Diagnostic Trouble Code Discussion for October 2006

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
1997 Ford Aerostar 4.0L Misfire, MIL Lamp on VIN: 1FMCA11U1V
P0303: cyl 3 miss fire. van has under load miss fire ( freeze frame 4300 rpm 88% load short term 2 long term 7 ) check for resistance in ignition wires & injectors all scope patterns look good (current side of injectors & ignition side ) mode 6 found 2 failures but do not hav...
October 05, 2006
1998 Lincoln Continental 4.6L Misfire, MIL Lamp on VIN: 1LNFM97VXW
P0303: Engine mis-fire number 3 cylinder. ... a check engine light P0303. Has had history repair for that cylinder. Replaced igition coil that cylinder and ignition boot. Also replaced spark plug. Thought it would be an easy fix, I performed diagnostics, found all scan data normal. Identified through ...
October 05, 2006
2002 Mazda MPV LS 3.0L Hesitation, Misfire VIN: JM3LW28A62
P0303: Cylinder 3 Misfire Detected. ... and check eng light set a p0303 misfire. I wanted to check mode 6 but dont have the parameter # for mode 6 for a mazda, as I have been fooled by the detection system and found the problem on another cylinder. It looks like you have to remove the upper plen...
October 09, 2006
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WVWPD63B91
P0303: misfire cyl 3. this vehicle came to our shop from a used car lot. they sold it and the customer complained of a check engine light. so they replaced the 02 sensors and put a new maf sensor on it when that did not cure it it came to us. it will miss after it has set for 2 day...
October 09, 2006
2002 Mazda MPV LS 3.0L Hesitation, Misfire VIN: JM3LW28A62
P0303: Cylinder 3 Misfire Detected. ... and check eng light set a p0303 misfire. I wanted to check mode 6 but dont have the parameter # for mode 6 for a mazda, as I have been fooled by the detection system and found the problem on another cylinder. It looks like you have to remove the upper plen...
October 10, 2006
2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Misfire VIN: 1GKDT13W7Y
P0303: Cylinder Misfire 3. Hello everyone, Customer brought this truck in with a complaint of a rough idle. First start in the morning didn't seem to idle that rough. The more the vehicle ran the rougher the idle got. Put the scanner on the vehicle and found out it has a dead miss at id...
October 16, 2006
2000 Volkswagen Jetta GLX 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWTE29M6Y
P0303: cyl. 3 misfire. Hey guys I this VW with a short in the comfort sys. control module plus misfire codes. I dont think the two are related.I believe to replace this module it will be have to be done by dealer so they can reprogram it. I dont have vin specific software for VW'S j...
October 17, 2006
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Misfire VIN: 1HGCG2250Y
P0303: Cylinder 3 Misfire Detected. this honda misses bad on start up after heat soak. Missing on cylinders 1,2,3, and 4. Found TSB about the fuel pressure regulator and ECM replacement due to different gas in colder weather, but I checked pressure when vehicle is acting up and there was pressur...
October 18, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0303: Misfire cyl 3. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 26, 2006
2000 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1J4G2485SX
P0303: Cylinder 3 Misfire Detected. Car just bought it and has misfire on cyl #3 compression on cyl 3 145 psi all rest are 145 -150 psi. I checked injectors signal fuound same pattern on all checked current to ignition coil primary circuit found same pattern on 3 coils, this engine has a large c...
October 27, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0303: Misfire cyl 3. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0303: Cylinder 3 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0303: Cylinder 3 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 29, 2006
2000 Toyota Tacoma Pre Runner 3.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4TASN92NXY
P0303: Cylinder 3 Misfire Detected. ... with a P0300, P0301 and a P0303. It has new spark plugs, o.e. double ground electrode. I had live missfire data on # 1 at the time approx 0-35% I swaped #1 coil with known good cyl and miss stayed with #1 and even some % o...
October 31, 2006
1997 Ford Aerostar 4.0L Misfire, MIL Lamp on VIN: 1FMCA11U1V
P0303: cyl 3 miss fire. van has under load miss fire ( freeze frame 4300 rpm 88% load short term 2 long term 7 ) check for resistance in ignition wires & injectors all scope patterns look good (current side of injectors & ignition side ) mode 6 found 2 failures but do not hav...
October 05, 2006
1998 Lincoln Continental 4.6L Misfire, MIL Lamp on VIN: 1LNFM97VXW
P0303: Engine mis-fire number 3 cylinder. ... a check engine light P0303. Has had history repair for that cylinder. Replaced igition coil that cylinder and ignition boot. Also replaced spark plug. Thought it would be an easy fix, I performed diagnostics, found all scan data normal. Identified through ...
October 05, 2006
2002 Mazda MPV LS 3.0L Hesitation, Misfire VIN: JM3LW28A62
P0303: Cylinder 3 Misfire Detected. ... and check eng light set a p0303 misfire. I wanted to check mode 6 but dont have the parameter # for mode 6 for a mazda, as I have been fooled by the detection system and found the problem on another cylinder. It looks like you have to remove the upper plen...
October 09, 2006
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: WVWPD63B91
P0303: misfire cyl 3. this vehicle came to our shop from a used car lot. they sold it and the customer complained of a check engine light. so they replaced the 02 sensors and put a new maf sensor on it when that did not cure it it came to us. it will miss after it has set for 2 day...
October 09, 2006
2002 Mazda MPV LS 3.0L Hesitation, Misfire VIN: JM3LW28A62
P0303: Cylinder 3 Misfire Detected. ... and check eng light set a p0303 misfire. I wanted to check mode 6 but dont have the parameter # for mode 6 for a mazda, as I have been fooled by the detection system and found the problem on another cylinder. It looks like you have to remove the upper plen...
October 10, 2006
2000 GMC Jimmy Diamond Edition 4.3L Poor Idle Quality, Misfire VIN: 1GKDT13W7Y
P0303: Cylinder Misfire 3. Hello everyone, Customer brought this truck in with a complaint of a rough idle. First start in the morning didn't seem to idle that rough. The more the vehicle ran the rougher the idle got. Put the scanner on the vehicle and found out it has a dead miss at id...
October 16, 2006
2000 Volkswagen Jetta GLX 2.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWTE29M6Y
P0303: cyl. 3 misfire. Hey guys I this VW with a short in the comfort sys. control module plus misfire codes. I dont think the two are related.I believe to replace this module it will be have to be done by dealer so they can reprogram it. I dont have vin specific software for VW'S j...
October 17, 2006
2000 Honda Accord EX 3.0L No Start, Poor Idle Quality, Misfire VIN: 1HGCG2250Y
P0303: Cylinder 3 Misfire Detected. this honda misses bad on start up after heat soak. Missing on cylinders 1,2,3, and 4. Found TSB about the fuel pressure regulator and ECM replacement due to different gas in colder weather, but I checked pressure when vehicle is acting up and there was pressur...
October 18, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0303: Misfire cyl 3. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 26, 2006
2000 Jeep Grand Cherokee Laredo 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1J4G2485SX
P0303: Cylinder 3 Misfire Detected. Car just bought it and has misfire on cyl #3 compression on cyl 3 145 psi all rest are 145 -150 psi. I checked injectors signal fuound same pattern on all checked current to ignition coil primary circuit found same pattern on 3 coils, this engine has a large c...
October 27, 2006
1999 Mercedes-Benz E320 4Matic 3.2L Stall, Misfire, MIL Lamp on VIN: WDBJF82H3X
P0303: Misfire cyl 3. Vehicle starts & dies when cold. If it doesn't die right away, it will die when put into gear. Restarts & often stays running. Came in with MIL & above codes. After reviewing data & researching iATN, replaced MAF and reset adaptions. Symptoms t...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0303: Cylinder 3 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 27, 2006
1997 Subaru Legacy Outback 2.5L Misfire, MIL Lamp on VIN: 4S3BG6852V
P0303: Cylinder 3 Misfire Detected. Scan produced the po303/304 and 341 codes. The wires were replace and the misfire codes have not reappeared. At idle there is no response to killing cyl's 1 and 4. #1 plug is loaded with black soot, have not pulled #4. #1 compression is about 200#. Po341 will ...
October 29, 2006
2000 Toyota Tacoma Pre Runner 3.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4TASN92NXY
P0303: Cylinder 3 Misfire Detected. ... with a P0300, P0301 and a P0303. It has new spark plugs, o.e. double ground electrode. I had live missfire data on # 1 at the time approx 0-35% I swaped #1 coil with known good cyl and miss stayed with #1 and even some % o...
October 31, 2006