Question about 1999 Buick Century

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1999 Buck Regal Stalls While Driving

!999 Buick Regal stalls while driving on freeway. After pullng over wll restart and run fine. Notice check engine light comes on, no codes in computer. had into dealer nothing found wrong. Hope someone has had this problem and has a fix.
larry my car also stalls while driving, i park it for a while then it will retstart, any suggestions as to what this might be

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  • thomasjdavis Dec 08, 2008

    I have a 2000 Park Ave Ultra and the same thing happened to me last week. I had about 1/8 tank of fuel, turned into a shop center, hit a bump, low fuel indicator beeped, and car died. It started up again so I went and filled up with fuel. It then died a few more times on my way home but always restarted after I stopped. I don't have a scanner so haven't checked for error codes yet.

  • Bernard Samstag
    Bernard Samstag Mar 21, 2009

    My 2000 Buick Regal has died multiple times in the last week as I was driving. The engine quits in as little as five minutes, but might take longer, and always happens as I am decelerating (foot off the accelerator, applying brake). Cranking causes the engine to fire, but not enough to keep running. It might take up to twenty tries to get it running again, and black smoke pours out of the exhaust.

    En route to my mechanic, driving slowly and gently, the car would not stall. The mechanic road tested the car, and he made it stall.

    Initially, error codes P0300, P0463, P1096, P0103 and P0128 were read, but they were too disassociated to be of any use. The older battery was replaced and the cables serviced to ensure good positive and ground connections. The ECM was reprogrammed (cost: $100!), and the Regal ran well for a day. Shortly thereafter, it began dying as before, and was returned to the shop.

    Mechanic Bob kept the Regal in his shop for four days, engine idling with test equipment attached. When it died, it started up immediately, and no error codes are present. He is at a loss.

    He replaced the crankshaft sensor (at my urging), and it looked like the problem was solved. Not so! It only took a few miles for the problem to happen again.

    The odometer light has not worked for several weeks, but I doubt if this is connected.

    Anyone have any idea as to what might cause this?

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Possible solution to stalling '99 Buick. My '99 Buick Century would die for no apparant reason with no error codes. After 4 days at a Buick dealership and many frustrated mechanics, the problem was corrosion from under the battery location. The wiring harness had small amounts of corrosion internally. Check the wiring under the battery for any corrosion. This has been the problem on more than 1 vehicle that we are aware of. No service bulletin has been issued by Buick.

Posted on Sep 06, 2010

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CRANK SENSOR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Posted on Apr 09, 2010

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Check the harmonic balancer

Posted on Jun 30, 2009

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SOURCE: 1999 Buck Regal Stalls While Driving

check ur to see if ur catalytic converter is clogged

Posted on Oct 25, 2008

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1999 Buck Regal Stalls While Driving


check ur to see if ur catalytic converter is clogged

Oct 25, 2008 | 1999 Buick Regal

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Here is the most common cause of surges and stalls, it is the idle speed control air-bypass valve and throttle valve, they get full of gunk over the miles and cause idle issues (stalls) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

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