Thread: 2002 GT Dies when warm - narrowed it down to something under driver side dash

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  1. #1 2002 GT Dies when warm - narrowed it down to something under driver side dash 
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    My 2002 GT dies while driving in town, never on the highway. Replaced the fuel pump, EGR (got rid of the service engine light), throttle position sensor, and another sensor that I can't think of the name but it's right above the TPS (sorry, I'm a newbie youtube by example person). after all that, it still happened. ""THEN"", my wife happened to overhear a conversation in the elevator of someone describing a similar situation (this is a God thing, I'm sure) the guy was told that "sometimes the unit under the dash gets hot or there's a loose wire that causes this.". I figured it was worth a try to prove or disprove that theory so I rigged cardboard over the AC vents to vent cold air under the driver side dash. Sure enough, the engine hasn't died for over a month. I looked under there and found the motherlode of wires, enough that I thought I had to register for mineral rights. I pushed some here and there but really had no idea what to do with them all. Without the AC vent work-around I had the old problem of it dying, when I put the vent back on it ran just fine again. So, my question is, what exactly is under the driver side dash that is causing this stalling?
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  2. #2 Re: 2002 GT Dies when warm - narrowed it down to something under driver side dash 
    Killa Bee Scottydoggs's Avatar
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    dont know nothing about under the dash, but does the tach ever quit working, or quit working right before it stalls? will it fire back up right a way? or some times start 30 minutes later as it see fit?

    random stalling 90% of the time is a bad crank sensor, and they hardly ever set the check engine light off either.

    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: 2002 GT Dies when warm - narrowed it down to something under driver side dash 
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    that sounds really weird, I could only think of the ignition harness. on my 2001 to the right of the steering column is a big plug with some heavy gauge wires in it and it has like a 7mm or so bolt in the middle of it to lock it in place.

    I don't recall there being a motherload of wires. I guess it depends on what you consider a motherload. Has someone installed a remote starter? its amazing how many shotty remote starter jobs i see where wires eventually rub through somewhere and start shorting out.

    what that would have to do with the ac venting it i have no idea. I mean cooler air technically would make metal contract and possibly not allow a short but that's really stretching it.
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  4. #4 Re: 2002 GT Dies when warm - narrowed it down to something under driver side dash 
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    Things you did not mention replacing: to consider,
    Weak ignition switch, keys dragging it to off.
    Shorting ignition switch.
    Short on the wiring harness where it crosses over the steering column.
    Outside:
    Shorting oil pressure switch,remove and sniff- if it is shorting out you will smell it.
    Trans safety neutral switch.
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