IAC trouble - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
Ford Escort | Ford Laser | Ford TX3 | Ford Sierra | Mercury Capri Forum for discussion of the Ford Laser, Ford TX3, Ford Escort, Ford Sierra and Mercury Capri.

LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 05-07-03, 06:37 PM
Posts: n/a
IAC trouble


I ran the OBD II code reader on my car and it came up with this 1506--IAC overspeed error. Now, I replaced the IAC itself, and still, get the error. I didnt replace the gasket being that I couldnt get it in stock. Anywho, any suggestions on what this error means and how I might go about fixing it.

I can describe what is happening when I drive. When I turn the car on, the idle is the normal idle sounds, but it takes a long time to get down to lower rpm, such as it kind of draws out. THe same is when i put the car in neturl. It idles high then very slowly tapers down to a lower idle. Now, when I put the A/C on, the car acutal picks up speed when I dont hit the gas pedal, this is what really freaks me out. I can feel the car trying to move foward when I have the brake on only when the A/C is on.

Sorry, I forgot to mention that it is a '99 Escort.

Thanks in advance
Sponsored Links
post #2 of 4 (permalink) Old 05-07-03, 09:42 PM
Registered User
Join Date: Mar 2003
Location: Milwaukee, WI
Posts: 131
Im not sure, but I can look it up. What does IAC stand for? Also, not replacing the gasket could be your problem. You have to replace gaskets when you pull something off of one. A leak could cause this kind of problem.
KingKurt is offline  
post #3 of 4 (permalink) Old 05-07-03, 10:59 PM
Posts: n/a
You try resetting the ECU? Possibly, the computer needs to remap if you changed a part.
post #4 of 4 (permalink) Old 05-08-03, 02:54 PM
Posts: n/a
First off, thank you for your help.

Ok, IAC stands for Idle air control (IAC) valuve.

Next, yes I did reset the computer, and each time i ran the code sacnner on it again it came up with 1506.

Thanks again.

Sponsored Links

  Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > Ford Cars and PAG Vehicles > Ford Escort | Ford Laser | Ford TX3 | Ford Sierra | Mercury Capri
Gear in this thread - Powered by O'Reilly Auto Parts

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
Need Help...Transmission or Electrical Trouble? Softtspknn Trans | Driveline 4 10-16-03 03:37 PM
Pulling trouble codes? question. Hawaiian Punch Mercury Cougar Forum 4 10-12-03 01:08 AM
Uh Oh, Fuel Gauge Trouble! FPVFRD Interior | Electrical | ECU 3 04-04-03 05:56 PM
Trouble starting car on hot days MKII240T General Tech 6 02-24-03 07:12 AM
Trouble starting (only sometimes) XRated General Tech 11 02-10-03 08:48 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome