pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Fuel Injector Circuit Diagnosis|Page 8344 > < Fuel Injector Circuit Diagnosis|Page 8342
Page 3
background image

4. Divide the total pressure drop by the number of fuel injectors that were added together. This is the average pressure drop. The difference between

any individual pressure drop and the average pressure drop should not be more than 20 kPa (3 psi).

^

If the difference between any individual pressure drop and the average pressure drop is more than 20 kPa (3 psi), replace the fuel injector.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.  See: Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests and Procedures

Fuel Injector Replacement

Fuel Injector Circuit Diagnosis|Page 8344 > < Fuel Injector Circuit Diagnosis|Page 8342