Engine Cranks But Does Not Run

Description
This table assumes that the battery condition and the engine cranking speed are OK. If not, refer to Starting System Check in Starting and Charging for diagnosis. Also, make sure that there is adequate fuel in the tank.

Diagnostic Aids

Notice: Use the Connector Test Adapter Kit J 35616-A for any test that requires probing the following items:
^ The PCM harness connectors
^ The electrical center fuse/relay cavities
^ The component terminals
^ The component harness connector
Using this kit will prevent damage caused by the improper probing of connector terminals.

^ Unless the engine enters Clear Flood at the first indication of a flooding condition, a no start may result.
^ Check the duct work between the Mass Air Flow (MAF) sensor and the Throttle body for air leaks.
^ A malfunctioning MAF sensor may cause a no start or a stall after start. If this is suspected, disconnect the MAF sensor. The PCM will ignore the MAF sensor and default to calculated air flow. If this corrects the condition and the connections are OK, replace the MAF sensor.
^ If the steps above check OK, refer to Hard Start in Symptoms for diagnosis. Hard Start
^ If the problem is intermittent, refer to Intermittent Conditions. Intermittent Conditions

Test Description
The number(s) below refer to step numbers on the diagnostic table.
2. These DTCs are for systems/components which if operating improperly may cause a no-start.
6. If the fuel pump is not audible at the fuel tank area, listen underhood at the fuel rail. Fuel flowing through the pressure regulator produces an audible hiss.
7. The Fuel System Pressure Test contains the correct procedures and specifications for checking the fuel pressure. If a problem is found, continue diagnosis in the Fuel System Pressure Test.
8. Hard Start in Symptoms contains more detailed information as well as additional diagnostic aids.
12. Recheck the system for any multiple problems that may be related (for example, fouled spark plugs that were caused by a fuel system problem). Certain engine mechanical problems such as incorrect cam timing, low compression etc., could cause the engine to crank but not start.