DTC P1300: Random Misfire
- If any of the following codes are set, service them first:
- P0106 (MAP sensor)
- P0171, P0172, P0174, P0175 (fuel metering)
- P0401, P1491, P1498 (EGR system)
- P1316, P1317, P1318, P1319 (spark plug voltage detection)
- P0335, P0336, P1336, P1337 (CKP sensor)
- P1381, P1382, P1386, P1387 (CYP sensor)
- P0505 (idle control)
- P1508 (IAC valve)
- Check the following items/systems for damage, wear, etc.:
- Air Cleaner Element
- Fuel Pressure Low Or Clogged Filter
- Ignition System
- MAP Sensor
- Ignition Control Module
- EGR System
- CKP Sensor
- Idle Air Control Valve
- Low Compression
- Fast Idle Thermo Valve Malfunction