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surge

  1. Creep Surge/Misfire?

    9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    I've been getting a weird surge or misfire lately right after stopping the car after creeping along, like navigating a parking garage slowly. It doesn't happen all the time so it's hard to tell exactly what it's behavior is. I don't think I have bad valves, the car starts up immediately when...
  2. HELP - surge? overboost? Unexpected acceleration

    9000 Workshop
    Recently purchased '95 9000 Aero 5spd - wife has been driving as DD. Encountering issue with accelerator sticking (or at least staying down) resulting in unexpected and unwanted acceleration, occasionally from a stop, other times at speed. A quick search indicates potential for vacuum leaks...
  3. Engine troube: check engine and power loss

    9-5 Workshop
    Bought my '99 Saab 9-5 SE 2.3t from an import shop near Indpls in Jan. '09. Had been wrecked, totaled, refurbished. Ran fine for 6 mos, then started smoking, overheating. Finally parked it in Nov '09 convinced the head gasket was blown (exhaust smelled funny). A week ago (yes, it sat on my...
  4. Surge Problem - Saab gurus, many details

    9-5 Workshop
    I have a 2000 9-5 V6 Wagon. I have a surging problem and here are the details. Surge starts to happen only after the engine gets to normal operating temps. Fuel pump replaced 2 years ago. Spark plugs only have about 4k miles on them. Car doesn't stall at lights when the symptoms are present...
  5. Turbo Leaking

    9000 Workshop
    hello all, I have a question for all the people that understand the 9000 turbo( 1896). My car is fairly old and has 207K on engine. I was checking out my turbo because it was not properly boosting through the gears. Under full throttle in second, my car gets to 3500 rpms and then sort of lags...
  6. Turbo Surging

    9000 Performance, Mods & Tuning
    Hey all I was wondering if anyone could shed some light on my question. I have a 1986 900T with 207K When i use second gear and STEP ON IT, my boost is great until about 4500 rpms. For some reason, my turbo gets a little funky and sounds like it needs more air of fuel or something additional...
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