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Cranks but wont start

Old 11-21-2015, 10:24 PM
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Default Cranks but wont start

I have a 2001 grand jeep cherokee Loredo 4.0 L6. I need help understanding why the jeep will crank but not start. I have no check engine light on and i had a diagnostic test ran on it and the shop couldn't find any issues either. To me it sounds like a simple issue to fix but i cant seem to find the reason it wont start. Does anyone have any ideas or know what the cause of it not starting may be?
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Old 11-22-2015, 01:44 AM
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Gotta have spark,air and fuel.
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Old 11-22-2015, 07:16 PM
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Welcome to CF!

Check the CPS for a pulse. If the PCM doesn't get a reference pulse, it won't energize the ASD relay and turn on the fuel pump, spark and fuel injectors.

Last edited by dave1123; 11-22-2015 at 07:19 PM.
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