Cylinder Compression
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Joined: Apr 2012
Posts: 578
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From: Ocean, New Jersey
Year: 2000
Model: Cherokee
Engine: 4.0
Cylinder Compression
Hi folks - 2000 XJ with 174K miles. I measured the compression and it ranged from 140 to 180. The FSM says 120-150. Could there be something wrong with the gauge? I did not get the engine up the temperature before the measurement. Could that be the reason for the high values?
Thanks.
Thanks.
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Joined: Aug 2011
Posts: 43,971
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Hi folks - 2000 XJ with 174K miles. I measured the compression and it ranged from 140 to 180. The FSM says 120-150. Could there be something wrong with the gauge? I did not get the engine up the temperature before the measurement. Could that be the reason for the high values?
Thanks.
Thanks.
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