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P0303 Diagnostic Trouble Code Discussion for June 2008

Cylinder 3 Misfire Detected


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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Volkswagen Beetle GLX 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWDD21C81
Hi guys this is my first post on iatn and it's driving me crazy, i got it from another shop, they replace coils, spark plugs, mass air flow. The problem is after sitting over night or for long period of time firts 10 sec it will misfire i conect my launch and ...
June 06, 2008
1997 Toyota 4Runner 2.7L Misfire VIN: JT3GM84R1V
P0303: Cylinder 3 Misfire Detected. Vehicle was purchased used with aprox. 100k miles. developed a missfire on #3 cyl. Replace plugs & wires (original). Vehicle runs perfect for aprox 7k - 10k miles then starts missing on #3 cyl. Replace plug and runs perfect for another 7k-10k miles. Each t...
June 09, 2008
2002 Volkswagen Jetta GLS 1.8L Stall VIN: WVWSE61J42
P0303: misfire cyl 3. hello techs, this VW has us scratching our heads a little. customer stated that the car stalls when ambient temp is high, after stalling the EPC light is illuminated. we scanned for codes and found those 5. the j271 relay described in the code supplies power t...
June 13, 2008
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1J4FF48S9Y
P0303: Cylinder 3 Misfire Detected. Car came in for gas smell. We found #1 injector leaking fuel into cylinder. Replaced injector and plugs. Cleared codes and sent it on its way. 3 weeks later came back in with identical trouble codes. Leaning toward cam sensor but it looked fine on the scope an...
June 16, 2008
2002 Jaguar X-Type 3.0L Misfire, MIL Lamp on VIN: CAJEA51C22
P0303: cylinder 3 misfie. after install of new engine have a constant engine light have checked cylinder compression all at 150 psi, spark plugs are new irridiums, snapon fuelkare, checked injector spay by cranking over all have a nice even spray, checked for vacum leaks at intake, inj...
June 18, 2008
2002 Jaguar X-Type 3.0L Misfire, MIL Lamp on VIN: CAJEA51C22
P0303: cylinder 3 misfie. after install of new engine have a constant engine light have checked cylinder compression all at 150 psi, spark plugs are new irridiums, snapon fuelkare, checked injector spay by cranking over all have a nice even spray, checked for vacum leaks at intake, inj...
June 19, 2008
2000 Toyota 4Runner 2.7L Misfire, MIL Lamp on VIN: JT3GM84R9Y
P0303: Cylinder 3 Misfire Detected. ... light and it had a misfire in cyl # 3. Found #3 injector was not firing. I replace the injector but now the engine runs rough at idle and at times the miss comes back. The code also returns. Hc, co, and o2 are neer zero at idle and at higher rpms. Codes ar...
June 25, 2008
2001 Volkswagen Beetle GLX 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3VWDD21C81
Hi guys this is my first post on iatn and it's driving me crazy, i got it from another shop, they replace coils, spark plugs, mass air flow. The problem is after sitting over night or for long period of time firts 10 sec it will misfire i conect my launch and ...
June 06, 2008
1997 Toyota 4Runner 2.7L Misfire VIN: JT3GM84R1V
P0303: Cylinder 3 Misfire Detected. Vehicle was purchased used with aprox. 100k miles. developed a missfire on #3 cyl. Replace plugs & wires (original). Vehicle runs perfect for aprox 7k - 10k miles then starts missing on #3 cyl. Replace plug and runs perfect for another 7k-10k miles. Each t...
June 09, 2008
2002 Volkswagen Jetta GLS 1.8L Stall VIN: WVWSE61J42
P0303: misfire cyl 3. hello techs, this VW has us scratching our heads a little. customer stated that the car stalls when ambient temp is high, after stalling the EPC light is illuminated. we scanned for codes and found those 5. the j271 relay described in the code supplies power t...
June 13, 2008
2000 Jeep Cherokee Sport 4.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1J4FF48S9Y
P0303: Cylinder 3 Misfire Detected. Car came in for gas smell. We found #1 injector leaking fuel into cylinder. Replaced injector and plugs. Cleared codes and sent it on its way. 3 weeks later came back in with identical trouble codes. Leaning toward cam sensor but it looked fine on the scope an...
June 16, 2008
2002 Jaguar X-Type 3.0L Misfire, MIL Lamp on VIN: CAJEA51C22
P0303: cylinder 3 misfie. after install of new engine have a constant engine light have checked cylinder compression all at 150 psi, spark plugs are new irridiums, snapon fuelkare, checked injector spay by cranking over all have a nice even spray, checked for vacum leaks at intake, inj...
June 18, 2008
2002 Jaguar X-Type 3.0L Misfire, MIL Lamp on VIN: CAJEA51C22
P0303: cylinder 3 misfie. after install of new engine have a constant engine light have checked cylinder compression all at 150 psi, spark plugs are new irridiums, snapon fuelkare, checked injector spay by cranking over all have a nice even spray, checked for vacum leaks at intake, inj...
June 19, 2008
2000 Toyota 4Runner 2.7L Misfire, MIL Lamp on VIN: JT3GM84R9Y
P0303: Cylinder 3 Misfire Detected. ... light and it had a misfire in cyl # 3. Found #3 injector was not firing. I replace the injector but now the engine runs rough at idle and at times the miss comes back. The code also returns. Hc, co, and o2 are neer zero at idle and at higher rpms. Codes ar...
June 25, 2008