Question about 1992 Oldsmobile 88

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I got an 1992 olds eighty eight royale from a friend of mine. it wasn't running. It would run but then you would drive it somewhere and then let it sit and it would not start for them. They had taken it to a shop. The shop could not duplicate the problem but replaced the crankshaft sensor hoping that would fix it. The problem continued. I get the car and i put a new ignition module in and it works fine. For a week, then it started missing when idling and die. I changed the plugs, wires, tried another ignition control module, a new computer. The problem persist. It runs fine when cold, after it warms up it won't idle and misses badly. if i am on the highway it is ok. My thinking is that maybe there is a short to crankshaft sensor. I'm not sure what to do. Any help is appreciated.

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The temperature sensor for the auto choke could be playing up so its staying on choke ,or the idle control valve ,

Posted on Oct 12, 2010

  • tully007 Oct 12, 2010

    Really? the idle seems to kick down after it has been running for a bit. it is not until the temp gauge is around 200 that it runs bad. how would i check the idle control valve? Thanks for your help

  • Colin Stickland
    Colin Stickland Oct 16, 2010

    sorry about delay been decorating bedroom and moved computer ,this is one of them sort of things that in all honesty i would need to use the vehicle for a day or so to get the feel then i would be able to have a good knowledge of what could be wrong ,or is it more than one thing or not or something simple like a air leak on a breather pipe or a vacumn pipe .



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I'm assuming that you are refer to the "firing order", so check this...

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Hope helps (remember comment and rated this).

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