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  1. C

    internal coolant leak

    dropped in a professionally rebuilt premium long block (5.7) in my 00 hoe, after my old one slung a rod. (intake gasket). still has intermittent misfire, around 250 miles developed an external leak. pulled the intake, re-installed with the right stuff sealant. no more external leak, but i'm...
  2. C

    ces codes on new long block

    just replaced 5.7 vortec in my 00 hoe, now have error codes p0108, p0121, and p122. any ideas? hard to believe the maf and the tps go out at the same time? also, tranny won't downshift when trying to accelerate. everything was fine until it threw a rod a few weeks ago.

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