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Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

06 h3 reduced power

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Old Feb 23, 2019 | 06:19 PM
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Clynch90's Avatar
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Joined: Feb 2019
Posts: 6
From: Arizona
Default 06 h3 reduced power


pulled 6 confired codes. Replaced both oxygen sensors and throttle body as the truck wouldnt run longer than a few seconds. After replacing those items the truck would run but wont go over 2000rpm i tried a pcm and still same thing what could this be?
 
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