4.0 shaking/misfiring
02-09-2016, 07:57 PM
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Model: Cherokee
4.0 shaking/misfiring
I have an 87 comanche 4.0 auto and sometimes the engine shakes but when I shut it off and start it back up it stops shaking and runs smooth. When it shakes it sounds like it misfires and the exuast smells like half burnt fuel. I replaced spark plugs and wires a year ago, all the vacuum lines seem to be in place. Any suggestions help. Thanks for looking.
02-17-2016, 06:31 AM
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Check the integrity of the line from the throttle body to MAP sensor.
Also, click on the PINK link below and do Tips 1 through 5 thoroughly.
Oh, and BTW, WELCOME!!!!
Also, click on the PINK link below and do Tips 1 through 5 thoroughly.
Oh, and BTW, WELCOME!!!!
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