Recent content by JT357

  1. JT357

    1995 Yukon 4x4 5.7 TBI Erratic / Surging Idle

    So to conclude what was causing my Yukon to idle so badly was the PROM. For me it was a PROM someone had put in that was for a V6. It took a while to run the PROM code to determine what was in there. I ordered a new PROM and the idle is fine.
  2. JT357

    Fuel issue/running rough

    I'm going to drop my fuel tank this weekend. At least that's the plan right now. I'll order the pump once I verify which one is in there. I'll let you know if it helps any.
  3. JT357

    1995 Yukon 4x4 5.7 TBI Erratic / Surging Idle

    Thanks for the responses. I'll give gmpartsdirect a look and see what they have for me. I looked at Rock Auto and I wasn't sure which brand was the better one.
  4. JT357

    Fuel issue/running rough

    I 've been having a similar problem with my 95 Yukon TBI. When it's cold it idles very rough until it warms up and then it is fine. When it's warm sitting at a light is when the trouble starts. It'll idle at 500 for a while and then drop to around 450 and then jump to high 500's. If it sits long...
  5. JT357

    1995 Yukon 4x4 5.7 TBI Erratic / Surging Idle

    I've been having a problem with my 95 Yukon TBI 4x4 170,000 miles. The engine runs very well and the erratic idle shows up when it's warmed up sitting at a light. It will normally idle at 500 rpm but will drop to 450ish and then up to high 500's. Giving it some gas seems to reset it for a while...
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