Thread: 2000 Grand Prix GT cutting out

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  1. #1 2000 Grand Prix GT cutting out 
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    Guys,
    I'm new here and hoping your expertise and experience will help. My 2000 GT with the 3.8L has a weird problem. Every day I drive the car to work, about 40 miles. For the last six months I have had a strange problem. I will take off with no problems, about 4 miles down the road the engine will shudder. Its like a miss and when it happens I lose the tach, but nothing else. The engine runs perfect the rest of the way. If I stop and cut the engine off and restart, the tach will come back and everything is fine. This happens every time I drive and at almost exactly the same time. The last time out it got worse. I started home and about 4 miles down the road it does the miss thing, only this time it kills the engine as well as the tach. I pull over to the road side, restart and everything is fine. Tach is back and drive the rest of the way home with no problem. It always does it about 4 or 5 miles in, and will not repeat even if you drive 200 miles. I only notice it the first startup in the morning or afternoon.
    Any ideas?
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  2. #2 Re: 2000 Grand Prix GT cutting out 
    Killa Bee Scottydoggs's Avatar
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    the car ever stall after the tach quits? sounds like a crank sensor either way.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: 2000 Grand Prix GT cutting out 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Crank sensor.

    SMGPFC Member #1
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  4. #4 Re: 2000 Grand Prix GT cutting out 
    Turbo is the way to go. BillBoost37's Avatar
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    I'm on the crank sensor..

    Had similiar situation. I called it a hiccup. Nearly the same spot each time it would do it.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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