Fuel 94 Gt Air Idle Control

[cobra tomt]

was having issues with my aic valve. cleaned it per you tube. it worked fine for 3 months, then failed again. got a new one (advance auto). problem did not go away. in addition to cold idle issue, throttle does not return to idle when shifting. 5-6 second lag. are aftermarket iac valves that unreliable and should i go motorcraft. i never had the throttle lag with the old unit, only the replacement. thanks for any ideas

 

[revhead347]

Yes, they are that unreliable. Buy the motorcraft. That one might not be any better either, but the odds seem better with the motorcraft ones. If you got 3 months out of it after cleaning it, that's good. Usually a cleaning job is only good for a few weeks.

Kurt

 

[jrichker]

You guys with idle/stall problems could save a lot of time chasing your tails if you would go through the Surging Idle Checklist. Over 50 different people contributed information to it. The first two posts have all the fixes, and steps through the how to find and fix your idle problems without spending a lot of time and money. It includes how to dump the computer codes quickly and simply as one of the first steps. I continue to update it as more people post fixes or ask questions. You can post questions to that sticky and have your name and idle problem recognized. The guys with original problems and fixes get their posts added to the main fix.

It's free, I don't get anything for the use of it except knowing I helped a fellow Mustang enthusiast with his car. At last check, it had more than 250,000 hits, which indicates it does help fix idle problems quickly and inexpensively.