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  1. P

    Low RPMs and CEL

    If it's the IAC, should I replace it or just try to clean it? I've also had a whistling sound at start-up in the past, and now I'm wondering it that is also related to the IAC (Incidentally, the whistling seems to have gone away now that I'm having these RPM issues.)
  2. P

    Low RPMs and CEL

    For the past couple days, whenever I start my 2000 Mountainer V8 I'm getting very low RPMs (~300) and the check engine light is on. This happened a couple weeks ago, but the problem went away pretty quickly. Now that the weather has turned colder, it seems like the problem is here to stay...
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