More than likely a fuel problem . With a gauge check the fuel pressure and flow . if flow is low replace filter if pressure is low replace pump.
Change the idler sensor,,,easy to do takes five minutes,,follow instructions to a tee,,,i recommend a bottle of lucas fuel additive to every other tank of gas it does wonders and keeps enjectors clean
SOURCE: what causes engine to hestitate and lose power-get up & go?
It could be a few things..The map sensor,Throttle position sensor,Fuel pump,Mass air flow sensor..
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_a3369546f8067589
SOURCE: 1996 Buick Regal Custom w/3.1 liter-No Spark
disconnect you battery. take something and fray back the plastic on the main hot wire on the coil. take another wire and wrapp it to the main wire you just frayed. now take that wire and run it to you ignition fuse. re connect you battery and see if your vehicle will start. if so than you have either a break or a short in you hot wire for your coil.
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 1993 buick regal custom with 3.8 V6 fault codes
Idle position switch or sensor. I had 93 that would stall when i came to a stop. Cost me $43 but it was worth it. I don't know if this will fix it, but it sounds like it would.
SOURCE: my 1989 buick regal wont start trys but wont
COULD BE THE CRANKSHAFT POSITION SENSOR. LOCATED ON THE BACK SIDE OF THE ENGINE NEAR THE FREEZE PLUGS. I HAVE HAD A SIMILAR PROBLEM AND THIS SHOULD FIX IT. YOU WILL NEED AN 8MM WRENCH TO REMOVE THE BOLTS THAT HOLD IT IN PLACE. BEST OF LUCK. KEEP ME POSTED. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA.
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