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sprinkles08, ASE Certified Technician
Category: Jeep
Satisfied Customers: 21410
Experience:  Chrysler/Dodge/Jeep Master Certified, ASE Master and Advanced Certified, Trans and Hybrid Specialist
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Lightning bolt on 2008 Grand Cherokee 3.7 wont start keeps

Customer Question

Lightning bolt on 2008 Grand Cherokee 3.7 wont start keeps turning over after key is released.
Submitted: 2 months ago.
Category: Jeep
Expert:  sprinkles08 replied 2 months ago.

Hello and welcome to JustAnswer!

There are many possible causes for a no start condition. You may be missing fuel pressure due to a loss of power or ground to the pump or a failure of the pump itself. You could be missing spark due to a cam or crank sensor issue, wiring, there could be an engine mechanical issue, exhaust restriction or possibly fuel contamination.

The first step in diagnosing the problem is to use a code reader or scan tool to check for fault codes. Do you know if any fault codes are setting?

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