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apc solenoid

  1. APC solenoid valve issues

    Audio, Video, Navigation & Security
    Situation: Bought a 1990 Saab 900 turbo with a faulty turbo (not boosting properly) Took it to local garage who know way more about Saab’s than me They checked wiring and connections and came to conclusion that the APC solenoid valve (part 7517477) was faulty They confirmed this by installing...
  2. stalls during hard acceleration

    9-5 Workshop
    My Saab 9-5 2.3T starts fine and during light acceleration (green area of turbo gauge), the car runs fine. Regardless of it being cold or warm, the engine will stall when the acceleration goes above the green zone of the turbo gauge. Once this happens and the gas pedal is quickly released, the...
  3. Modded APC Question

    C900 Performance, Mods & Tuning
    Hi guys, So my '89 has a swedish dynamics box, 3 bar FPR, and bigger injectors. If it matters, it also runs a cooler thermostat and generally operates at 1/4 on the stock temp gauge. Different from stock C900 turbos Ive owned in the past, this APC seems to almost never cut boost, and will...
  4. Turbo troubleshooting

    C900 Workshop
    Hey Everyone. Followed some instructions from searching, my turbo was only reaching base boost (white, no yellow) in my 92 900. Pulled what I thought was the "C" line off the APC controller (the middle or center hose on the APC solenoid from the intake) and Im getting full boost. Hooray! The...
  5. 95 9000 Aero won't boost

    9000 Workshop
    Having a problem w/my 95 9000 Aero. I'm a novice so if I say the wrong term, plz don't bust on me. I just bought this car. Ran awesome. When the car would go into base boost, I could hear an air sound then it would boost. I assume that was normal (and it was fun). I hotrodded up my hill, cracked...