1994 Ford Escort IAC valve

1994 FORD ESCORT
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JMAX1960
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  • 1 POST
Engine Performance problem
1994 Ford Escort 4 cyl Front Wheel Drive Manual

When I plug in the Idle Air Control valve the engine revs up really high like someone has their foot buried in the gas pedal.??? Unpluged the throddle position sensor and pluged the IAC in again, same problem.
????
Installed a new IAC valve same problem.????
Can you help?
Nov 22, 2008 at 7:24 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BMRFIXIT
  • CAR REPAIR CONTRIBUTOR
  • 19,053 POSTS
What is the issue ?
why do u have to unplug and or plug the sensors
check for code as 1st step
check for vacuum leaks

need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
Nov 22, 2008 at 11:04 PM
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