high idle

  1. C

    Mazda 3 starts like crap, idles too high.

    My 2005 Mazda 3 with 298k miles starts terribly and doesn't want to start. Then, when I get it to start it idles at 2700 to 3000. Any ideas? I have no clue what to do to this thing.
  2. M

    High idle? Pulsing or surging RPM on deceleration? Here's the solution (probably) -

    I've been driving myself crazy trying to figure out why my daughter's P5 idled at 1500 rpm and would pulse (or surge, or jump around, or go up and down) on deceleration. After finding that turning the air adjustment screw (AAS) all the way in had no effect (still high idle), and checking for...
    • melsman
    • Thread
    • high idle pulsing surging throttle body sealing throttle position screw
    • Replies: 0
    • Forum: Protege5 Forum
  3. J

    CEL P0850 Neutral Switch Input Circuit - Is this the Neutral Switch?

    Hey guys, first post. My 2003 P5 is throwing the P0850 code. This makes the idle erratic and high when the clutch is out. I took a look under the hood and I found what I think is the neutral safety switch, just chilling on top of the transmission. It has one black wire and one pink/green...
    • john5
    • Thread
    • cel high idle neutral safety switch p0850
    • Replies: 7
    • Forum: Protege5 Forum
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