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loss of power tailpipe smoking

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    #1

    loss of power tailpipe smoking

    hey guys i was driving last night and it felt like my car didn't have as much power as usual. Is there a reason why i might lose power? I think that my idle isn't set properly because i just adjusted the bolts to where it idols between 650-1000 rpm. Also as i was discussing with another member here that sometimes mainly when i hit the gas hard or rev it past a certain rpm it smokes pretty bad..I think i have the same problem..the valve stem seals need to be replaced..what do you guys think?
    Tags: None
    #2
    If your having an issue with your engine, then that would be cause for the loss of power. How many miles does the vehicle have and have you ever performed a head re-build on the vehile?

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      #3
      Check compression, plugs, is there a check engine light? Black or Blue smoke? Either way, it doesn't sound good. Or smell good, probably.
      F22a1, T3/T4 turbo, Greddy Type RS BOV on left-over AEM CAI piping, Turbo XS manual boost controller, PHAT intercooler, Crzy tuning, Walbro fuel pump, AEM FPR/fuel rail/pulleys/cam gear, Gude cam and throttle body, MSD ignition/cap/coil, NGK wires and Iridium plugs, Fidanza flywheel, ACT clutch, Nuespeed short shifter

      9 lbs on stock internals (for 10 min)
      16.2 1/4 mile with basics
      ??.? 1/4 mile with turbo
      139 hp with all bolt-ons
      ??? hp with turbo

      STAY TUNED

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        #4
        sounds like you have some faulty piston rings.

        A man that keeps looking back can't see whats in front of him.

        Comment

          #5
          Originally posted by 90cb7owner View Post
          hey guys i was driving last night and it felt like my car didn't have as much power as usual. Is there a reason why i might lose power? I think that my idle isn't set properly because i just adjusted the bolts to where it idols between 650-1000 rpm. Also as i was discussing with another member here that sometimes mainly when i hit the gas hard or rev it past a certain rpm it smokes pretty bad..I think i have the same problem..the valve stem seals need to be replaced..what do you guys think?
          From my understanding the valve stem seals are leaking if you blow smoke (bluish) on cold start up (or when the car has sat for a while).

          If you blow smoke while driving and accelerating (bluish) then its your piston rings

          If you blow smoke while driving (black) then its just a fuel air mixture issue (oxygen sensor, restricted air filter etc).

          If you blow smoke while driving (white - with sweet smell) and its not a cold day and the white smoke is constant even though the engine has travelled and reached operating temp then its coolant leaking in the combustion chamber signalling head gasket issues.

          I may not be 100% but thats my understanding
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