Fuel Injected
- Verify no leaks in exhaust system.
- Verify base timing and that timing advance system is functional.
- Check throttle body dashpot adjustment (if equipped).
- Check throttle position sensor.
- Check coolant temperature sensor.
- Check air valve, ISC solenoid and idle switch operation.
- Check intake air system and throttle body electrical connections.
- Ensure fuel system pressure is correct.
- Check A/C vacuum solenoid valve (if equipped).