Question about 1997 Jeep Grand Cherokee
Compression is either there or it's not...has everything to do with ring seal and valve condition which does not change with driving conditions. Excessive smoking from the tailpipe can tell you a lot about the general condition of the insides. Likely you have either an ignition timing problem or a partially obstructed fuel filter. You'd need to run some tests to find any sensor related problems.(tests outlined in chiltons or haynes manuals)
Filter and pump can be tested with a fuel pressure gauge but it is usually easier to just replace the filter first.
Posted on May 06, 2010
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Posted on Jan 02, 2017
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