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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Emissions Control System) >> Operation >> Non-Monitored Circuits >> Cylinder Compression
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Cylinder Compression

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The PCM cannot detect uneven, low, or high engine cylinder compression.

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