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2003 Trailblazer stalling at idle when AC is on?????

Discussion in 'Chevy Trailblazer Forum (GMC Envoy)' started by CharlieP, Sep 22, 2010.

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  1. CharlieP

    CharlieP New Member

    Having a problem with the Wife's Trailblazer keeps stalling at idle with the AC running. Turn the Ac off and idles fine
    Any Ideas?????
  2. CharlieP

    CharlieP New Member

    got it fixed

    Ok after doing some searching around found the fix. it was the throttle body being dirty. but what suprised me was that when I first removed it from the engine it did not look bad at all. ended up using an entire can of seafoam and a good old used tooth brush to get it really clean, installed it back on the truck and reconnected the battery dumped another can of seafoam in the gas tank and it has been running like a new truck
  3. CdnGMan

    CdnGMan New Member

    That's good news... kind of amazing at how much the throttle body impacts the performance huh?

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