Question about 1995 Buick LeSabre

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95 lesabre...will crank, but wont catch...if it does catch it will die after a few minutes...ive done trial and error...replaced fuel filter,fuel pump relay, fuel pump, spark plugs, plug wires, and ignition coils...i rented a OBD II autoscanner and it cant give a readout...help!

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  • kevin butler May 11, 2010

    sounds like theft system set off... if your key has a little black chip on it.. that is the security chip....the contacts break inside the lock tumbler assy,,, causing it not to be able to read the resistor chip.... so computer thinks someone is trying to steel car ,,,it then will dissable fuel injectors.....two other common problems are the ignition control module goes bad under the coil packs...or bad crank sensor....if bad crank sensor you will have a code in computer saying such...if you rented scanner i would ask for another that one would not communicate....is the theft or security light on steady with the key in the run position or does it flash...gather all that info write baqck for further

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The 95 lesabre was a split year it had obdII connector but read on obdI system. Have your ignition control module tested.

Posted on Sep 04, 2009

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