Sometimes it makes a light "coughing" noise before it dies. But it will also die without any warning. It has also died while running in park.
Your fuel pump is probally shot.
SOURCE: My 1990 Buick Park Avenue dies after 15 miles
Replace the crank sensor as they get hot they will sometimes quit working. The temp light comes on everytime the engine is turned off and the switch is on. Next time it dies spray or pour some water on the sensor then see if it will crank and if it does you know what it is.
SOURCE: My park avenue runs for a while then dies out. It
This may be an ignition control module overheating. The module is found in the distributor, underneath the distributor cap on many models. If your vehicle has coil packs (is distributorless), the ignition module is underneath these coil packs. Once removed, most parts stores can test the module for you. When having the module tested, make sure it is tested 3-7 times in succession, as heat problems often will not show until it has cycled several times. Sometimes, this can be cured by installing fresh thermal transfer grease/heatsink compound on the metal portion of the module, available at radio shack and at some auto parts stores. Another possible culprit is the fuel pressure regulator, but this seems much less likely.
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SOURCE: 2000 buick park avenue ultra
Is it possible that your getting bad gas in your area? since it ran fine on the trip and now that your back home its not? maybe try a different gas station. if not you'll probably have to take it to a well equipped shop to have it hooked up to a scan tool that can read data while your driving to see the ecm info when the problem occurs.good luck as intermittent engine problems can be difficult sometimes.
SOURCE: 1995 Buick Park Avenue starts runs afew seconds,
Anti theft security systems are known for shutting down engines in GMs. You may not know it, but your car is using one called VATS. Its that little black chip in your key. If you see a light on the dash that says "security" when you are having trouble, then this is your problem and this link will help you,
http://vatspasslockpasskeysecurityhelp.yolasite.com/
SOURCE: 1991 buick park avenue starts when gas petal is pressed but dies once you let off gas petal
There could be several causes for this problem but from your description it sounds as if you car is not getting enough gas. This could be caused by a plugged fuel filter. Another cause could be a fuel pressure sensor. General Motors has had a lot problems with this in the past. One quick way to find the problem is to have the vehicle hooked up to an analyzer and see what code is displayed. The cost of this is usually around $65 or slightly higher in some areas plus the cost of the parts. If it is a fuel filter the part is relatively cheap. Analyzer prices are higher. Make sure your mechanic quotes you a price before having it repaired and also ask him for the code number from the analyzer. This will usually keep him honest.
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