LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2011 >> Compass Base, 2.4 B, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Emissions Control >> Description >> Non-Monitored Circuits >> Non-Monitored Circuits/Systems >> Cylinder Compression
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Cylinder Compression

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.