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  1. General Isuzu Discussion
    Hello everyone I have spent the past couple days trying to figure out what is wrong with the truck, I have a high surging Idle (1400-1500) on cold start and after running for a few minutes, the idle slowly drops to 1000 - 1200 rpm. After revving the engine or getting into gear the revs go back...
  2. Audio & Electronics
    I recently bought a 94 Isuzu Pickup 2.3 L motor for my wife. It has had a high idle even after it's warmed up it fluctuates. I put a new o2 sensor which I doubt contributed to the problem but it was gone anyway. Took it into a shop because I couldn't figure out why the high idle and the check...
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