Question about 2003 Jeep Grand Cherokee

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Po301 po302 - 2003 Jeep Grand Cherokee

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Misfire, cyl 1 and 2. is this the 4.0 liter engine, a KEY FACT.

ever do a tune up this decade or at 60k miles.?
50ways to misfire.
but are all under the 3 basics and lost DC power to EFI.
bad compression
bad spark
bad fueling.

Posted on Jan 02, 2014

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Posted on Jan 02, 2017

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