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GMC
Jimmy
Engine
Symptoms
Compression
2001 GMC Jimmy compression
2001 GMC JIMMY
150,000 MILES • 4.3L • V6 • 4WD • AUTOMATIC
ARTJONES
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What should the compression be for this motor in each cylinder?
Aug 9, 2015 at 3:23 PM
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HMAC300
CERTIFIED EXPERT
48,601 POSTS
probably close to 150 psi but if above 90 and all are within 20% of each other then you are ok
Aug 9, 2015 at 3:27 PM