Fuel Injector: Testing and Inspection

Checking the injectors

Checking injectors




- Remove the spark plugs. Note the cylinder from which each spark plug was removed
- Check that none of the spark plugs have a lighter or darker color than the others
- If any of the spark plugs are lighter or darker, this may be an indication of a defective injector
- Remedy as necessary.

Other information:
- To replace injectors, see Replacing the injector(s) Removal and Replacement.