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  1. D

    New to Forum

    Reconnected everything with the negative cable also. Now the new CEL shows a p0507 vice the p0121. Is this now the idle air control circuit? Does this mean I need to pull off the throttle body and clean it fully? I cleaned around the butterfly valve with carb cleaner during the TPS check. I...
  2. D

    New to Forum

    Didn't leave it running too long to know if the idle would drop back down. Running at 2500 rpm is not something i feel comfortable letting it do sitting in the driveway. I'm going to try this one more time once i get home and if it doesn't work will put the old one in. As for the part...
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    New to Forum

    Throttle Position sensor cont. Fiat Dale, how does the computer relearn the idle settings? Does the dealer have to reprogram in the shop? That is the information i got from a service department, that the ECM needs to be reprogrammed for the new settings. Makes it tons of fun when i can't...
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    throttle position sensor (P0121 code)

    Just created a profile as i am running into some issues with our 2008 Yukon XL. I'm a fairly good mechanic, i think in where if i can get some direction i will tackle most any repair. Going to the dealership is typically my last resort. I am current working through some CEL issues for our...
  5. D

    New to Forum

    Just created a profile as i am running into some issues with our 2008 Yukon XL. I'm a fairly good mechanic, i think in where if i can get some direction i will tackle most any repair. Going to the dealership is typically my last resort. I am current working through some CEL issues for our...

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