GMC Sierra Engine Rich

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2004 GMC Sierra Fuel

2004 GMC SIERRA

Gmc 5.3 V8 Seems To Be Burning To Rich. Black Exaust Pipe And High Fuel Cunsumption.

1 ANSWER

Asked by emufich

1999 GMC Sierra Low Idle, Running Rich, Revs But No...

1999 GMC SIERRA

Sorry Guys-you Have The Wife Of A Very Frustrated Guy Here. I Have To Ask, As He's At His Wit's End, So Please Bear With Me... Bought The...

9 ANSWERS

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Asked by coley25

1991 GMC Sierra Runs Rich, Wont Idle

1991 GMC SIERRA

My Gmc Will Almost Die And Then Rev Up, And Miss Badly On Acceleration. I Have Tried To Troubleshoot It And Have Not Made Any Progress. It...

1 ANSWER

Asked by bradlyct

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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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