Engine Cranks But Does Not Run

DESCRIPTION
The 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 Starting and Charging. Battery Inspection/Test
- The engine cranking speed is acceptable. Refer to Engine Cranks Slowly in Starting and Charging. Engine Cranks Slowly
- There is adequate fuel in the fuel tank.

TEST DESCRIPTION

Steps 1 - 2:

Steps 3 - 7:

Steps 8 - 10:

The numbers below refer to the step numbers on the diagnostic table.
3. This step determines if the ignition relay is providing the listed fuses with voltage.
5. This step determines if the fuel pump is operating electrically.
6. If all the Cylinder Injector Circuit Status parameters display Fault, this indicates a condition with the injector supply voltage circuit.