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Hummer H3 Engine Fail and Diagnosis

eastwester

Member
Messages
9
Location
Australia
https://youtu.be/3lLYaV4iCZs
I couldn't upload the video as it must too long. So that is the youtube link. 2009 H3 had an intermittend rough idle. It happened just once when I first drove the car. When stationary the idle dipped and recovered. A few weeks later..again but went on for about 10 seconds, then no problem again for a few weeks. Anyway it progressively got more frequent until it failed big time as you can see in the video. The instrument warning was like my own disco.
Luckily I could show the mechanics at the dealership and they diagnosed the Engine Control Module. It was replaced and so far so good. Just wanted to pass it on in case anyone has the same problem. Merry Christmas. Mark
 
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