Symptom Related Diagnostic Procedures
DESCRIPTIONThe Engine Cranks but Does Not Run diagnostic table is an organized approach to identifying a condition that causes an engine not to start. The Engine Cranks but Does Not Run diagnostic table directs the service technician to the appropriate system diagnosis. The Engine Cranks but Does Not Run diagnostic table assumes the following:
^ The battery is completely charged. Refer to Battery Inspection/Test in Engine Electrical. Testing and Inspection
^ The cranking speed is within specifications. Refer to Engine Cranks Slowly in Engine Electrical. Testing and Inspection
^ There is adequate fuel in the fuel tank.
TEST DESCRIPTION
Steps 1-8:
Steps 9-13:
The numbers below refer to the step numbers on the diagnostic table.
5. This step determines if the fuel pump is operating electrically.