Questions & Answers for: 2003 h2 hummer check engine

Question about 2003 H2

H2 Hummer

...2003 H2 Humers for starting system failure, no engine light code, fire @ spark plugs. What part or procedure to figure why starter wont turn when i turn ignition on with key Today 11-12-08 my 2003 H2 ...

Question about 2003 H2

3 Answers

Engine codes for hummer h2

engine codes for hummer h2. I bought the diagnostic device and I need the codes how do I get them? Thank you Annamarie servttm p0758 obd code Hummer h2 2003 plug it in turn key to on

Question about 2003 H2

1 Answer

2003 Hummer H2 overheats while idling in Park

2003 Hummer H2 overheats while idling in Park Have a 2003 Hummer H2 that is overheating while in Park. Engine light comes on & stays on. Not sure what is causing the problem. NED TO HAVE THE CODES

Question about 2003 H2

2 Answers

H2 engine light on lack of power

H2 engine light is on and lack of power on inclines... wont go above 60 mph goin up inclines ...feels like driving with the parking brake on plugged exhaust.emission Check Your Gas cap is it on?, mine

Question about 2003 H2

2 Answers

My 2003 H2 engine light flashes but no trouble code.

...2003 H2 engine light flashes but no trouble code. My 2003 H2 engine light flashes but it does not record a trouble code. This happens under acceleration and when lifting up on the accelerator the ...

Question about 2003 H2

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My 2003 h2 died this morning while driving. All

...2003 h2 died this morning while driving. All my 2003 h2 died this morning while driving. All of the suden, no gas pedal response/ Had to coast into lot. Turns over but no start, not even a sputter. ...

Question about 2003 H2

1 Answer

2003 hummer h2 - engine light on I'm getting

2003 hummer h2 - engine light on I'm getting codes p0171 bank 1 & p0174 bank 2--system to lean. can you tell me what the problem can be--THX. takes cats off, it will run better,more power and ...

Question about 2003 H2

2 Answers

2003 hummer h2 hard to start engine when i try to start engine, it will crank over like normal, but doesn't start. Then i try it again, and it starts, and runs rough for a few seconds, and runs f

2003 hummer h2 hard to start engine when i try to start engine, it will crank over like normal, but doesn't start. Then i try it again, and it starts, and runs rough for a few seconds, and runs f ...

Question about 2003 H2

1 Answer

My Hummer H2 2003 model had a problem starting when its warm. Like when I start it in the morning, its normal, but after driving it for a few minutes and the engine is warm, I had difficulty starting

...H2 2003 model had a problem starting when its warm. Like when I start it in the morning, its normal, but after driving it for a few minutes and the engine is warm, I had difficulty starting My Hummer ...

Question about 2003 H2

1 Answer

Reset the engine immobilizer on a 2003 hummer h2 the engine turns over but will not start

...2003 hummer h2 the engine turns over but will not start checked fuses and kept trying to start it Have you had the crankcase temp sensor checked. If this sensor fails the motor will not start. Hope ...