Circuit/System Description

This Engine Cranks but Does Not Run diagnostic is an organized approach to identify a condition which causes the engine to crank but not start. This diagnostic directs the technician to the appropriate system diagnosis.

This diagnostic assumes the following: system voltage levels are adequate for starter motor operation.

• The battery is completely charged. Refer to Battery Inspection/Test .
• The engine cranking speed is acceptable. Refer to Engine Cranks Slowly .
• There is adequate fuel in the fuel tank.