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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5854
Experience:  GM Grand Master Technician 2007. 14 years experience.
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MR; Bob I have a 2007 Hummer H3. The engine light on the

Customer Question

Hi MR; Bob I have a 2007 Hummer H3 . The engine light on the codes P0128. I have changed the thermostat and temper senor also the cooling too. But the engine temper gauge only reads150* all time.No matter how many hours you are driving. Please help me. Thank you ./
Submitted: 8 months ago.
Category: GM
Expert:  Jared D replied 8 months ago.

Good afternoon.

Where was the temp sensor located on the engine? On the passenger's side near the rear of the engine?

Expert:  Jared D replied 8 months ago.

Also, what brand was the thermostat?