05 5.7L hemi with intermittent #3 cylinder misfire and intermittent trouble starting

Asked by fujiman385 Feb 12, 2016 at 10:00 AM about the 2005 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

Hello, I have 2005 jeep grand Cherokee with a 5.7 l hemi.  A few days ago I had an issue where it didn't want to start.  I could hear the solenoid click but it wouldn't crank.  After about five tries it fired right up.  This happened a couple more times that day and then it started getting a bad misfire and a flashing check engine light.  It came up with a code for #3 cylinder misfire.  I checked connections and ohmed out the coil with no negative results.  I found a recall for the ignition switch and had that replaces.  When I picked up the vehicle it started and ran fine.  However this morning it once again had trouble starting and a severe misfire.  Any ideas?

1 Answer
223,905

Rowefast answered 8 years ago

Possible causes...> - Faulty spark plug 3 - Clogged or faulty fuel injector 3 - Faulty ignition coil 3 - Fuel injector 3 harness is open or shorted - Fuel injector 3 circuit poor electrical connection - Ignition coil 3 harness is open or shorted - Ignition coil 3 circuit poor electrical connection - Insufficient cylinder 3 compression - Incorrect fuel pressure - Intake air leak

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