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    H3 2008 Hummer H3 3.7l base: Reduced Power Mode

    I have a 2008 Hummer H3 3.7l base model. 2 problems going on, with the reduced power mode. When I stop, goes into reduced power mode. Driving at highway speeds, if I hit a slight bump it goes into reduced power mode. Pulled codes on check engine light, an these are the codes I get. P0651: 5-V...
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