Question about 1994 Buick LeSabre

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1994 buick lasaber. The car will start fine but after you drive for about 5 minutes the car will stall. After the car has stalled it will still turn over but will not fire. After about 5 minutes the car will start and run but it will do the same thing. The car has 217000 miles and is a 3800 motor. The car was taken to a local mechanic and checked the computer out. Thanks, Randy

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  • moosish Nov 17, 2008

    I have the same car and the same problem, except that my car has low mileage - less than 70,000 miles. My mechanice said he thought I should replace the whole computer module, but that would cost about $1000., and the car's book value is only about $2,000. I'm trying to see if there is a lower-cost solution.

  • seaelyons Dec 13, 2008

    i have 95 buick riviera it stalls out after leaving my drive way usually 4 or 5 miles. yep! leaves me hangssing right in the middle of the road. Sometimes it fires right back up and sometimes it dosn't depending on the phase of the moon I guess. Help! could it be a bad fuel pump??????



  • Anonymous Mar 28, 2014

    Car won't start but the battery is good.If it starts it doesn't stay running.

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I followed some advice which solved the same problem for someone else, but it didn't work for me (replacing the Ignition Control Module and the Crankshaft Position Sensor.) Finally, my mechanic came up with the solution over a month ago: he replaced the THROTTLE SENSOR and the CAMSHAFT SENSOR. Voila! My car has been trouble-free ever since!

Many thanks to everyone who tried to help!

Posted on Mar 13, 2009

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Mine had the same problem. Check the Ignition control module and the crankshaft position sensor.

Best of luck!

Posted on Dec 12, 2008

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What do you mean by checked the computer?? did he run a trouble code test?

Posted on Oct 21, 2008

  • yadayada
    yadayada Oct 21, 2008

    When it quits have you checked to see if it has fuel pressure?

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I have the same vehicle, and had the same problem. I took it to my mechanic, and after all of the codes were read we replaced the Ignition Control Module, then the Crankshaft Position Sensor.

It runs just fine now.
Best bet would be to have someone hook up the code reader. The car will tell you what it needs(not specifically, but it'll tell you where to look).


Good luck!!!


Kindest Regards,

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