hesitation

Asked by May 02, 2017 at 02:13 PM about the 2007 Hummer H3 4 Dr H3X

Question type: Maintenance & Repair

until it warms up it hesitates and sputters a bit. going down the road it seems to cut out but not all the time. also when its cold out and I take off the rpms go way up almost like its in neutral then finally shifts into gear..  maybe new plugs and wires? hopefully not a tranny problem thanks

4 Answers

119,975

A tuneup might be what your engine needs. I would also use a good fuel system cleaner like Techron. If the CEL is on have the codes read and post them here.

1 people found this helpful.

that's what I was thinking as well thank you. there are no codes or engine light is not on. hopefully tune up and maybe fuelfilter change and cleaner will help?

119,975

Hopefully.

thanks

Your Answer:

H3

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