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3.1 GP Odd no start condition

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  • 3.1 GP Odd no start condition

    ok, car is a 92 grand prix LE with the 3.1 in it. 205K miles and usually runns great, but lately it's developed an odd nostart problem i'm hoping someone can help me with.
    any time the car sitts long enough to cool down. it's won't restart. it spinns over fine and all the electrical stuff works, but it won't fire up. the oddest thing is, if you spray a bunch of starter fluid in the intake, it fires right up and then runns fine. as long as you don't let it sit long enough to cool down, it starts back up fine every time. but as soon as it cools down, no start... i just checked it out and it looks like when it doesn't start it doesn't get fuel or spark. fuel pump primes fine though and there's pressure at the rail. spark plugs look dry though. and with the plug out and connected to the wire there is no spark. i'm a bit lost.. anyone got any ideas??
    230K mile 92 GP LE
    3.1
    <img src=\"http://members.aol.com/ncturbosho/gpone.jpg\" width=\"300\">

  • #2
    ok, on the advice of a friend i replaced the CPS and it fired up. keeping my fingers crossed that the symptoms don't come back.
    230K mile 92 GP LE
    3.1
    <img src=\"http://members.aol.com/ncturbosho/gpone.jpg\" width=\"300\">

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    • #3
      just to update. the crank sensor was the problem. all fixed.
      230K mile 92 GP LE
      3.1
      <img src=\"http://members.aol.com/ncturbosho/gpone.jpg\" width=\"300\">

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