idle

  1. NiteSHO

    NEED HELP-Smoking at Extended Idle

    I have a 2013 SHH pp. with smoking issues at extended idle. I first did the TSB Update, still smoked. So I replaced both turbos a little over 1000 miles ago. Still smoking at extended idle. Had tech pull downpipes to verify I didn’t get a bad turbo. Both turbos where dry but the cat on the...
  2. DeepPower

    How to Replace IAC?

    My '89 SHO has a rough and high idle on cold start, but if I knock on the IAC a few times before starting the car it's almost normal. So I want to replace the IAC. Can anyone tell me if I have to remove the intake manifold to replace the idle air control valve, or is there a way to get to that...
  3. Black91SHO

    Problems after long idle

    I have a strange problem that's recently popped up. I tow my '91 SHO behind vehicles that I deliver, then I unhook my car and drive it home. I tow it with the engine idling, because if I don't, I have to replace the rack & pinion about once a year, and that got old real fast. This was all fine...

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