Hummer H2 Engine

Browse Hummer H2 Engine questions and answers. Choose a question that matches your symptoms.

48 discussions

Re-circulation

2008 HUMMER H2
Hi, Re-circulation Actuator Was Stuck. Replaced By New One. When Turn Ac On, It Rotates Three Times But When I Activate The Re-circulation...
1 ANSWER
8 IMAGES
Asked by Faresmotors

2008 Hummer H2 Serpintine Belt

2008 HUMMER H2
I Replaced My Alt With High Out Put One And Now Am Having Hard Time Putting Belt Back On. Help Scott
2 ANSWERS
Asked by scott hunter

2007 Hummer H2 Missfire Cyl 2 4 6 8

2007 HUMMER H2
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...
2 ANSWERS
Asked by hemi frank

Intermittently Cranks Once But Will Not Start

2006 HUMMER H2
Hello, We've Replaced The Fuel Pump, The Starter, And Switched All The Relays Around. The First Time You Turn The Key It Cranks Like...
7 ANSWERS
Asked by kurtboeker

Cranks But No Start

2006 HUMMER H2
Several Days Ago The Truck Would Not Start. I Checked The Fuel Pressure With Tester And Pump Showed No Psi. I Removed And Replaced Fuel Pump...
3 ANSWERS
7 IMAGES
Asked by Daniel26003

Ignition Stripped

2006 HUMMER H2
I Have No Problem Putting The Key In Or Taking It Out But It Turns Just Like It Is Stripped. It Does Not Go Through Auxiliary, Run Or Start...
1 ANSWER
10 IMAGES
Asked by PattyRN

Won't Start/key Will Not Come Out Of Ignition

2006 HUMMER H2
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 Still...
1 ANSWER
Asked by Jim Corras

2006 Hummer H2

2006 HUMMER H2
Hi, Ihave 2006 Hummer H2 With 25000 Miles.its Running And Idling Rough For More Than A Year.dealer Says There Is No Any Code And Everything...
1 ANSWER
Asked by prem

2006 Hummer H2

2006 HUMMER H2
Hi, I Have 2006 Hummer H2 With Only 25000 Miles And Its Idling Rough And Not Running Smooth As It Used To Be.its Still Under Warranty.went...
1 ANSWER
Asked by prem

2006 Hummer H2

2006 HUMMER H2
Hi,i Have 2006 Hummer H2 And Only 25000 Miles.engine Running Rough For More Than A Year.went To The Dealer He Says There Is No Any Code.can...
1 ANSWER
Asked by prem

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