Fuel Injected
- Check throttle cable adjustment.
- Verify air intake system is unrestricted.
- Check EGR valve and solenoid for correct operation.
- Ensure fuel system pressure is correct. Use ohmmeter to verify correct fuel injector resistance.
- Check purge control valve operation.
- Check vacuum switching valve operation.
- Check throttle position sensor operation.
- Check coolant temperature sensor operation.
- Check exhaust system for restriction.