1999 Buick Century engine dies

Tiny
JFISHE
  • MEMBER
  • 1999 BUICK CENTURY
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
I have a "99" Buick Century. The problem is the car will start and run a while and dies. It acts like a fuel filter. But the fuel system has been checked out OK. When the vehicle dies, you can wait awhile and then it will start again. Sometimes it will run a hour or more then it dies. Cam sensor has been changed, modules have been changed. Other sensors have been changed and it still dies. What idea may you have has to the problem. Thank You
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Friday, May 29th, 2009 AT 3:24 PM

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Tiny
IMPALASS
  • EXPERT
Hello -

To better assist you is your model a Custom or Limited? Also please tell me your engine size in liter.

Please go to Auto Zone (AZ) or O'Reilly's (OR) and for FREE they can pull the codes to the car. Most important: Once they check your codes, if they find something and you don't get it fixed and need to get back with us, please make sure you tell us exactly what the code was, number and all. Example, if the code was E0568 O2 Sensor bad. Then make sure you give us all of that. While there for FREE also they can bring their tester out and check your battery and alternator.

Now if you can't drive it - Please go to Auto Zone (AZ) or O'Reilly's (OR) and use their tool check out program and get the code scanner. Check your codes, if you find something and you don't get it fixed and need to get back with us, please make sure you tell us exactly what the code was, number and all. Example, if the code was E0568 O2 Sensor bad. Then make sure you give us all of that.

We need to figure out if it is electrical or fuel related. Next time it stops, pull a plug wire off of the spark plug and insert something into the end of it and have someone try to start the car and have the metal object really close to a piece of metal on the engine and see if you are getting a good strong popping blue spark. Don't have your hands on any part of the metal! If there is no spark, then it is electrical.

If you are getting good spark then spray some starting fluid in the throttle body and try to start it and see if it tries to start then.
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Friday, May 29th, 2009 AT 8:27 PM

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