cranks but wont start

Asked by GuruTSCH2 Jun 30, 2018 at 12:31 PM about the 2006 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

2006 4.7 l. backfired when trying to start let sit a minute now cranks but wont start

1 Answer
27,530

oilyspill answered 6 years ago

Did it backfire out the intake or exhaust? May have to check valves and valve timing? Check cylinder compression. Make sure battery has a full charge. If cranking rpms sound faster than normal, definitely check compression. You have proper fuel pressure--spark at the plugs--fuel injector pulse?

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