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1994 Jeep Grand Cherokee Laredo 4dr

1994 Jeep Grand Cherokee
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November 13, 2012, 3:10 am

Lawrence H
 

Question: when starts up in the morning it shakes and the rpm up and down. When give it the gas it backfires t

Feels Like>> Vehicle is sluggish>> When I need passing power and press the accelerator to the floor>> Yes>>


November 21, 2012, 9:44 am

Elizabeth K
Expert Mechanic

If you haven't had a tune-up in the past few years, start there. Many of the symptoms you are describing could be caused by spark plugs, wires and related tune-up parts. If the tune-up doesn't resolve the issue, it will pave the way for more thorough troubleshooting.


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