Fuel Pump: Testing and Inspection

To avoid potential misdiagnosis and the unnecessary replacement of components, it is recommended that diagnosis and testing begin with Diagnostic Routines (Diagnosis by Symptom) at the Powertrain Management/Computers and Control Systems/Testing and Inspection/Procedures.
Testing and Inspection
The Diagnostic Routines will lead the technician through the logical and methodical testing of a "specific" subsystem and it's related wiring and components.