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bad idle

  1. Bad cold start. Car re tuned and running poorly

    Tuning, Technical Questions
    So i was hoping someone would be able to help me, or give me ideas. I've been searching online for days and hours and can't find out what the problem is with my car. It's an r33 with a RB25DET Engine Mods: Microtech ecu Greddy BOV Return flow fmic Splitfire coilpacks Pod filter The car has...
  2. Gts idle problems

    Tuning, Technical Questions
    my 1996 gtst won't idle. it will not stay running without me putting pressure on the gas pedal. ive tried claning the idle air controll valve and adjusting up the idle speed on it. allso checked for vacum leaks. when i disconect the throttle position sensor the car will idle but the rev will...
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