GMC Sierra Engine Compression

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Low Compression And Motor Ticking/scratching Sound

2007 GMC SIERRA

Pickup History: I Purchased At 115,000 Miles. Car Fax Report Shows Service From First Owner Up To 80,000 Miles.. Nothing “reported” From...

2 ANSWERS

Asked by Kadair2

No Compression In Two Cylinders

1994 GMC SIERRA

Following An Issue Of A Clogged Muffler, And Then Cutting The Muffler Off, I Performed A Dry Compression Test. I Found Out I Have No...

7 ANSWERS

Asked by jbroo222

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Backfire Buck Burning Oil Click Compression Coolant In Oil Damaged Gas Hard to Start Hesitate Idle Erratic Idle High Idle Low Idle Rough Knock Lean Locked Up Low Power Misfire Noise Not Cranking Over Not Running Oil Leak Overheat Poor Mileage Revs Up Rich Roar Runs Cold Runs Hot Runs Rough Shakes Smell Sputter Stall While Driving Stall at Idle Surge Vacuum Leak Vibration Will not shut off Worn

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