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IAC location

Tiny
SAKENA89
  • MEMBER
  • 2000 FORD CONTOUR
  • 100,000 MILES
Please give me pictures if you can. Where is the IAC located on a 2000 Ford Contour 2.0 four cylinder?
Friday, December 9th, 2011 AT 8:53 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Here is a guide and a diagram below to help show you how the change or clean the IAC:

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed. Cheers
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Friday, December 9th, 2011 AT 8:57 PM
Tiny
DABESRS85
  • MEMBER
  • 2 POSTS
  • 2000 FORD CONTOUR
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
When I start the car I have to say on the gas for it not to stall out. It back fires. I replaced TPS, air idle valve. All vacuum hoses. The fuel pump pressure is good.
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Wednesday, September 26th, 2018 AT 3:13 PM (Merged)
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
I would check/change the timing belt if you have not done that. If it is old then it is time to do it anyway. Any engine lights on in the cluster? You could have a catalytic converter problem, and that will throw a code.
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+1
Wednesday, September 26th, 2018 AT 3:13 PM (Merged)
Tiny
DABESRS85
  • MEMBER
  • 2 POSTS
O2 sensor did not show up. Nether did the timing being off. We did hold the TPS all the way open and it idled okay. It is a CNG/gas. Forgot to put that in. And on both it runs the same.
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Wednesday, September 26th, 2018 AT 3:13 PM (Merged)
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
If there is no engine light/code then the timing belt could still be the problem. It causes poor idle after it gets old and stretches. If the TPS is bad or out of range it should throw a code as well. If no codes you should take it to someone who can read the data stream and check for what is missing or in error. You may even have an ECM problem. There are too many unknowns for either of us at this point. I would not waste any more money throwing parts at it until you have hooked it up to read the data.
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Wednesday, September 26th, 2018 AT 3:13 PM (Merged)
Tiny
SAMK
  • MEMBER
  • 1 POST
  • 2000 FORD CONTOUR
Six cylinder front wheel drive manual.

Please help. Just hoping you could guide me with what is causing my intermittent throttle hang between gear changes. Car idles and starts with no problems at all. I am suspecting possible dirty IAC valve. In your experience is this likely to be the cause? I know these engines are notorious for throttle hang, but no one has really outlined the cause in other forums.

Thanks again, great site.
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Wednesday, September 26th, 2018 AT 3:13 PM (Merged)
Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Throttle Position (TP) Sensor.
The TP sensor is a rotary potentiometer sensor that provides a signal to the PCM that is linearly proportional to throttle plate/shaft position. The TP sensor has four operating conditions: closed throttle (idle or deceleration), part throttle (cruise or moderate acceleration), Wide Open Throttle (WOT) and throttle angle rate. The TP sensor signal affects air/fuel ratio, injector timing, idle speed, EGR flow and ignition timing. On some applications, TP sensor input is used in determining transmission Electronic Pressure Control (EPC), shift and Torque Converter Clutch (TCC) scheduling. The TP sensor is mounted on throttle body.
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Wednesday, September 26th, 2018 AT 3:13 PM (Merged)

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