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what are symptoms of intake manifold gasket failure 2000 6.0

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  • what are symptoms of intake manifold gasket failure 2000 6.0

    i have a 2000 silverado 2500 4x4 6.0, i have a random misfire code of po300, i have replaced plug wires, plugs, cleaned throttle body and mass air flow twice, i run super gas and also add injectore cleaner, new fuel filter, no other symptoms other than the light flashing.
    i have heard intake gaskets are a problem on this truck.

    when i bought it the exhaust manifold bolts were broke and it did have some exhaust leaks, but we replaced all bolts and gaskets.
    1996 2 door tahoe 4x4 5.7
    2000 crew cab 2500 classic shortbed 4x4 5.7
    1998 GMC sierra reg cab short box 4x4 5.0
    1993 reg cab stepside 4x4 5.7
    1995 Tahoe 4dr 3" lift 4x4 5.7
    2000 silverado 1500 ex cab 4x4 5.3
    2000 silverado 2500 ex cab 4x4 6.0

    X-BOX gamertag CHEVYIKE

  • #2
    Re: what are symptoms of intake manifold gasket failure 2000 6.0

    when ever i've caught an intake leak, i had P0300 and/or P0301 through P0308 and usually and p0171 and/or p0174 lean codes.....and if you spray water outside near the intake gaskets and the truck starts to fludder then thats another telltail sign, i hope i've helped you

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    • #3
      Re: what are symptoms of intake manifold gasket failure 2000 6.0

      ive heard to spray carb cleaner and see if it revs up, i cant bring myself to spray water in my engine lol
      1996 2 door tahoe 4x4 5.7
      2000 crew cab 2500 classic shortbed 4x4 5.7
      1998 GMC sierra reg cab short box 4x4 5.0
      1993 reg cab stepside 4x4 5.7
      1995 Tahoe 4dr 3" lift 4x4 5.7
      2000 silverado 1500 ex cab 4x4 5.3
      2000 silverado 2500 ex cab 4x4 6.0

      X-BOX gamertag CHEVYIKE

      Comment

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