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Home >> Chrysler >> 2008 >> Pacifica Limited, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Emissions Control System >> Description >> Non Monitored Circuits >> Cylinder Compression

Cylinder Compression

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The PCM cannot detect uneven, low, or high engine cylinder compression. Low compression lowers O2 content in the exhaust. Leading to fuel system, oxygen sensor, or misfire detection fault.