October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Fuel Injected
- Ensure air intake system is unrestricted.
- Ensure PCV system is not restricted.
- Check ISC valve for malfunction (Tracker).
- Check coolant temperature sensor operation.
- Ensure engine is not overheating.
- Ensure fuel system pressure is correct. Use ohmmeter to verify correct fuel injector resistance.
- Check EGR system for correct operation.
- Check for cracks or poor connections at throttle body.
- Verify correct throttle position sensor adjustment and resistance value.