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P0303 Diagnostic Trouble Code Discussion for November 2004

Cylinder 3 Misfire Detected

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Trouble Ticket Help Requests for DTC P0303
Help Request Posted
2001 Jeep Cherokee Sport 4.0L Misfire VIN: 1J4FF48S21
P0303: Cylinder 3 Misfire Detected. Hello everyone, got a silly jeep that won't cooperate. Misfires after a hot soak, sometimes will flag the mil light sometimes not. Fuel pressure is within spec and has lots of flow. It has a coil pack assembly that we have tried a different one to no avail. Fl...
November 04, 2004
1996 Porsche 911 Carrera 3.6L Misfire, MIL Lamp on VIN: WPOAA2999T
P0303: Misfire cly.3. Porsche experienced colleagues, this 1996 C4S repeatedly sets the faults mentioned above. It has no performance issues. Freeze frame data shows the short term fuel trim of bank 1 to be -7.84% and the long term is 5.34% when the misfire occurs. The short term f...
November 09, 2004
2001 Kia Sportage 2.0L Hesitation, Misfire, MIL Lamp on, Both Cats Melted VIN: KNDJB72361
P0303: Cylinder 3 Misfire Detected. Now at 137k ses light is on- front cat melted completely and rear cat started to melt. seem like truck is running very lean- we can not duplicate miss fires- we have driven for over 60 miles and ses light does not come on for us- scan tool shows that all syste...
November 13, 2004
2000 Kia Sportage EX 2.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: KNDJA7237X
P0303: Cylinder 3 Misfire Detected. We changed plugs, coils & wires,(as described in so many submissions) still misfired. Followed all other,(very good advice), pulled and checked all harnesses for cleanliness,contact, position and ability to move/flex with the vehicle, still misfired. Check...
November 15, 2004