Question about 2003 Jeep Grand Cherokee
Two common causes for that symptom are a fuel pump going bad or a crank sensor about to fail. If when in "no-start" it will start if you spray carb cleaner into the throttle body while cranking, likely it is the pump. If you are not seeing spark during no-start, then likely it is the crank sensor. This said, there are a number of other items that are heat-sensitive and can give similar problems. That is why shops do a series of tests before replacing anything. The "quick tests" I gave you are fairly reliable but nothing replaces real testing.
Good luck If you need any further info just ask!
Posted on Nov 17, 2009
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Posted on Jan 02, 2017
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