SOURCE: 1990 buick regal 3.8L- Backfires, stumbles on acceleration
most likelly it is your fuel pump is not puting godd fuel pressure
have the fuel pressure test and if it is low have the fuel pump and filter replaced
SOURCE: car starts and runs fine then dies
ya could be a bad filter. or maybe your injectors are getting bad.
SOURCE: I have a 1990 Buick Regal that stalls...
You might try a crank sensor, most of the time if you pull it out you may see a crack in it. It's between the top of the oil pan an the transmission, good luck.
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