Engine Cranks But Does Not Run
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.
- The engine cranking speed is acceptable.
- There is adequate fuel in the fuel tank.
TEST DESCRIPTION
Steps 1 - 2:
Steps 3 - 6:
Step 7:
Step 8:
Steps 9 - 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.