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  1. P0172 Code Help Please, Desparate!

    I4/I5 Engine & Drivetrain
    I have a 2005 Colorado with the 3.5L I5 The other Threads on here about this code weren't much help. This is the only code I have, I don't have the usual P0101 code the most seem to have. Can any one help me with this code, system running rich. I connected with a Snap On Solus and watched...
  2. Change air/fuel mixture by spacing MAF

    I4/I5 Engine & Drivetrain
    There is obviously a larger number of poeple who are not gettting the mileage they should out of their canyons. And there seem be also be a number of people who think these engines run rich, some have even claimed unburned fuel in the exhaust. Could this be changed by spacing the MAF out of...
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