Fuel Injected (Cold)
- Ensure air intake system is unrestricted.
- Check EGR valve and solenoid for correct operation.
- Check coolant temperature sensor operation.
- Check airflow meter or ISC valve for malfunction.
- Ensure fuel system pressure is correct.
- Check for cracks or poor connections at airflow meter or throttle body.
- Verify correct throttle position sensor adjustment and resistance value.