Check Cylinder Performance
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 1996 Ford RV Cutaway, 1996 Ford Pickup, 1996 Ford F-Super Duty, 1996 Ford Econoline, and 1996 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
If KOER CYLINDER CONTRIBUTION SELF-TEST under QUICK TEST in the TESTS W/CODES - 7.3L DIESEL article has been successfully completed previously, go to CHECK FOR EXHAUST RESTRICTION. If KOER CYLINDER CONTRIBUTION SELF-TEST has not been completed, perform KOER CYLINDER CONTRIBUTION SELF-TEST. Possible causes for failing this test are:
- Broken compression rings.
- Burnt or bent valve.
- Bent push rods.
- Bent connecting rods.
- Damaged rocker arms.
- Faulty fuel injector assembly.