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  1. Help. Idle issues.

    DTC's, Problems & Troubleshooting
    So I got a 97 Buick LeSabre Limited that my grandfather owned since he bought it new. He passed now it’s mine. This is why I haven’t driven it off a cliff. The issue is that when it starts up it does fine until a min or two later when it’s warmed up, then it bounces above and below 1k rpms...
  2. Car dies upon acceleration

    Fuel System
    Have a 2000 GTP everytime I have to punch the gas the car dies. Had new fuel pump and filter put in last December. Put new fuel pressure regulator in last week still having same problem. Any suggestions are greatly appreciated.
  3. Stalling, some trouble starting, rich LTFT, O2 codes, help!

    General Tech
    First and foremost: thanks for any and all help. I've been reading/piddling but I'm not making too much progress. Remember: I'm not a professional mechanic by any means, I do have factory service manuals for most of my cars though so I can follow those procedures. I will be providing logs of...
  4. Intermittent stalling/not starting

    This is my first post on this forum, but I've been reading for a couple years and learned a lot about the 3800 and how to fix problems with them (series 1 and 2 anyway). The problem I'm having is baffling me and a few others as well, so I figured I'd post here and ask for some help. I have a...
  5. Grand Prix Starts, runs for a few seconds, and Dies

    Naturally Aspirated
    Hello all, I've been having an issue with my 2001 Grand Prix for 2 months now. The car will start, run for 1-3 seconds, and die. It sounds fine when running. It started on thanksgiving day, the car died and would not start. I ended up unplugging the battery for several hours and then the car...
  6. 2000 Buick Park Ave 3800 Miss fire/stall after refueling?

    General Tech
    My wife and I drive a "senior mobile" Mostly short trips and the last three times she has refueled she has complained of rough engine, surging and stalling immediately after refueling. Mileage is above 17mpg City and 27mpg Hwy The last time we re-fueled the engine started easily, ran rough...