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idle fluxuate

  1. J

    RPMs Jump @ Cold Start in 4.6L

    A few days ago, the RPMs on my 2003 Explorer with the 4.6 started jumping up and down at a cold engine start. The RPMs will continue to jump for 5+ minutes. If you put the vehicle in drive or reverse during this, it will lunge forward (or backward) as the RPMs jump. The RPMs will stop jumping...
  2. J

    revving weird and accelerating on its own...

    Hey there, I currently came in contact with a 1996 4.0 4wd automatic Ford Explorer. It works just fine and has no leaks. My buddy is going to get rid of it because he said that it did not idle well... I thought I would take a look at it. I changed the Idle Air Control Valve. This did not help at...
  3. V

    1994 explorer IAC vs the 1995 explorer IAC

    So guys, my IAC recently hit the bucket, you can only clean them but so many times till they finally fail on you. At the junk yard i picked up a IAC from another 95 explorer. I also picked up one from a 1994 explorer because they have the same exact wire harness connector and bolt up the same...
  4. J

    92 Explorer 4.0L engine surges.

    im new to the form and just wanted to share some info. my engine started to pulses, the idel would fluxuat ranging from 800 rpm to 4000 rpm and some times stay at 4000 rpm foe a few seconds and then drop back down to normal! i changed the mass air flow meter, the throtel position sensor, the...
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