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high idle
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  1. 2nd Gen - Drivetrain Discussions
    I just bought a 4.0l and the rpm is very high and seems to rev up when changing gears, On idle it’s 1200 rpm It drops when I take off with clutch in, What could it be ?
  2. 2nd Gen - DIY - Do It Yourself / Tech Tips
    Hello everyone. My truck is idling heavy at start up. It’s at 1500 rpms for a bit, then goes to 825. I know 600-800 is normal. It did pop a temporary code for high idle P0507 “idle air system RPM higher than expected.” When I start driving and come to a stop it normalizes down to 600-650 so I...
1-2 of 2 Results