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Car Idles good in park And neutral

Tiny
ICFORD
  • MEMBER
  • 1997 MERCURY SABLE
  • 150,000 MILES
Car Idles good in park And neutral. If you put it in drive the rpms start to climb. You put it back in neutral or park and it goes back to about 850 rpms. Base Idle is between 350 and 400. Checked the resistance of the IAC it was 10.1. Your advice thanks
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Saturday, February 2nd, 2013 AT 6:03 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What is the voltage when in drive?

Roy
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Saturday, February 2nd, 2013 AT 6:13 PM
Tiny
ICFORD
  • MEMBER
  • 4 POSTS
I had a spare IAC put it on and it did the same thing. Also with the TPS. I don't have the car at the moment.
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Saturday, February 2nd, 2013 AT 7:53 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check this voltage and let me know

Roy
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Saturday, February 2nd, 2013 AT 7:57 PM
Tiny
ICFORD
  • MEMBER
  • 4 POSTS
Ok I check the voltage and it was very all over. 34 to 84 to 124
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Saturday, February 2nd, 2013 AT 8:37 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You only have a possibility of 0 to 12 volts. Are you on the right scale?

Roy
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Saturday, February 2nd, 2013 AT 8:41 PM

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