What are the possible causes of DTC P1303?
NOTE: The listed causes may not be a complete list of all potential problems, and there may be other causes.
- Check primary and secondary ignition
- Check the fuel system – Fuel pressure and injector
- Check for vacuum leaks
- Check the mechanical condition of the engine
- Faulty spark voltage detection module
How to repair DTC P1303?
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. Look for P1303 questions and answers:
What are the possible symptoms of code P1303?
- Engine light on (or engine maintenance warning light soon)
What does code P1303 mean?
Cylinder number 3 random misfire detected is the generic description for code P1303, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no other information about OBDII code P1303.