HUMMER H2 ENGINE SYMPTOM

Hello; This Is My Friend's Vehicle And I Was With Him Last Night Trying To Figure This Out: He Installed A New Starter/solenoid, But...

We Are At Cruise Control (2000 Rpm) Speed 75 Mph Going Up Hill Until Rpm Went Up And Down From 2000rpm To 4000 Rpm And Jerking (transmission...

My 2005 Hummer H2 Sut Idles Up And Down In Park And At Stops It Does The Same With A Slight Foward******** Motion At Times

Hi I Hear A Knocking Noice Or Maybe Its A Ticking Noise Im Not Exactly Sure But It Happens When After I Start The Engine And When The Engine...

It Won't Shift To Higher Gear Automatically. I Have To Take My Foot Off The Gas And Then Press It Again To Shift Gear. It Wont Shift Gear...

My Engine Running Little Rough And When Driving Sometimes Different Sounds Coming From Exhaust, Went To The Dealer But They Said Nothing...

2005 Hummer H2, Surges Between 45-55 Mph Rpms Jump 300-400 Rpms.

The Engine Shurts Off When It Is Hot. When The Engine Cools, The Vehicle Starts Again.I Have Changed The Fuel Pump But The Problem Is Still...

I Have Noticed Recently My Engine Rattling Sounds Like A Lifter. I Checked Oil And Is Full Has Never Used Oil Either. I Have The Oil Chanced...

Engine Performance Problem 2007 Hummer H2 V8 Four Wheel Drive Automatic 73k Miles Low Compresson 2 4 6 8 30 Psi 1 3 5 7 125psi Ck...