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My question wS not askedyet

Vehicle: 2003 Jeep liberty sport 4 wheel drive 3.7 liter

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P0302 is a cylinder misfire, if you have not replaced the spark plugs start there.

if there problem is still try to swap an ignition coil with a different cylinder and see if the code move to the other cylinder if it does replace the ignition coil

 

P0108 is for the MAP sensor, its possible it is dirty and might need to be cleaned with mass air flow sensor cleaner

or the MAP sensor is bad.

 

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asked Jul 12, 2018 by mrolaya

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