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high idle

  1. High idle at ignition

    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...
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