Why does my DSM rev to redline at idle?


Similar Questions:
Why does my DSM idle really high?

This is most likely due to unmetered air entering the cylinders. There a few things for you to check

  • #1 Always. Check for Boost Leaks In case you forgot how : https://www.youtube.com/watch?v=fdjadhUP1u4
  • If you can not find the leak, use a smoke tester.
  • Ensure throttle plate is not stuck and is not bent.
  • Check the trottle cable to ensure it is not stuck or too tight.
  • What is the TPS volt value at idle position? (Aim for 0.63)
  • Blocked off your FIAV? That can cause an internal leak that bypasses the throttle body.
  • Biss screw set properly?

QA #498

Last Updated:
2020-01-25 06:19


Cam Dorland | 95 Eagle Talon
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