DTC P0300: Random Misfire & Any Combination Of: DTC P1201/1301: No. 1 Cylinder Misfire; DTC P1201/1302: No. 2 Cylinder Misfire; DTC P1203/1303: No. 3 Cylinder Misfire; DTC P1204/1304: No. 4 Cylinder Misfire; DTC P1205/1305: No. 5 Cylinder Misfire; DTC P1206/1306: No. 6 Cylinder Misfire (2004 3.5RL): Notes
NOTE:
If some of the DTCs listed below are stored at the same time as a misfire DTC, troubleshoot those DTCs first, then troubleshoot the misfire DTC:
- P1128, P1129: MAP Sensor
- P0171, P0172, P0174, P0175: Fuel metering
- P0401, P0404, P0406: EGR System
- P0345, P0349, P0390, P0394, P1336, P1337, P1386, P1387: CKP/CMP (CKP/CYP) Sensor
- P0506, P0507: Idle Control System
- P0511: IAC Valve