Question about 1991 Buick LeSabre

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91 buick lesabre starts then dies after a few minutes if not rightaway may or may not start back up at first but will in Neutral or if given a little gas, replaced starter alternator, TPS, harmonic ballancer, fuel filter, short in wiring and somthing else I can't remember. 1 garage says fluids mixing the other said no not that. I have read if you clean the crank position sensor that is all you need but not sure what you say?

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  • Mark Decker
    Mark Decker Nov 30, 2013

    I had the same problem with my 1990 LeSabre. Problem was Cam position sensor. Required pulling the balancer, waterpump, timing set, just to get to a part no bigger than a penny. Dealer quoted me a price of about $500 for repairs. Did all the work myself, including replacing all removed parts with new ones, for about $250. I am so glad I'm mechanically inclined

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Check your ecm under the coil pack front passenger side of motor if it is bad when it cools it usally works again

Posted on Sep 12, 2010

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