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idle issues

  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. Weird Idle Issue

    DTC's, Problems & Troubleshooting
    I've got a 2000 Park Avenue (naturally aspirated) and it's doing this weird idle thing. Most of the time when I start it up cold, the idle is so low it will die within a couple of seconds. However, if I give it gas for just a few seconds, then it's fine and idles like it should. When it's warm...
  3. Random misfire? P0300 I'm lost!

    DTC's, Problems & Troubleshooting
    Hey guys, I have a series 2 supercharged in my 2001 buick regal. It has a newer shortblock, and everything else has about 130,000 miles. The problem I'm having is that it is having random misfires on the rear bank, so 2,4,6 I believe. It's a rough idle, but seems to clear up while driving...
  4. 95 Buick Riviera rough idle when warmed up

    General Tech
    Hey all, new here. I have a 95 Riviera S/C - 3800 Series I. It has 128K, experiencing a really rough idle condition (shuddering, shaking) when the car warms up. It seems to get close to stalling out at stop lights, but it hasn't happened just yet. So far I have changed the following: spark...
  5. Idle trouble and Sluggishness

    General Tech
    I've got a 99 Grand Prix GT with the 3.8 in it and I'm having some idle issues and sometimes it's got a sluggish take off. I just had the radiator, hoses and thermostat replaced. I also just put a new coolant temp sensor in but my Low Coolant light keeps coming on and it just runs horribly. Any...