Hummer Forums - Enthusiast Forum for Hummer Owners - 2007 H3 idles rough intermittently

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Alibou

07-19-2016 10:02 AM

Hi i have same issue:
55 000 miles
H3 3.7
2007
Vin 88 128 101
P0305 at idle only
Fillup at unknown gas station.

Question is my vin concerned by dreaded head issue ? ?
Vin is way above 68, its 88...
Thanks

happythree

07-19-2016 11:53 AM

if the alt doesnt overcharge or undercharge i would want to know how it could cause any trouble OR rough idle.???
if its normal volts id keep it.
ask just what is different??

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