For 1990-2009 cars only
Fuel Manager/Filter Diagnosis for Chevrolet Chevy P32 RV/Van Chassis 1999
Diagnosis of the fuel filter can be found in the Contamination Testing. For diagnosis of the Water in Fuel lamp circuit, refer to Water-in-Fuel Lamp Diagnosis .
For diagnosis of the fuel heater, refer to Fuel Heater Diagnosis .
