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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5787
Experience:  GM Grand Master Technician 2007. 14 years experience.
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I have a 2006 H2 Hummer. A week ago it started to hold a

Customer Question

I have a 2006 H2 Hummer. A week ago it started to hold a longer duration in second gear! i have to let up on the gas petal and start on petal again and it will shift! Checked fluid and it is fine. No engine light!
Submitted: 1 year ago.
Category: GM
Expert:  Jerry Newton replied 1 year ago.

Does it actually have third gear? That's the big question. Or is it shifting from 2nd to 4th when you lift on the throttle.

It sounds like you have no 3rd gear.