The message to which you are about to reply is shown first. GO TO REPLY FORM



 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Why should this be a problem? 900 1993

posted by  someone claiming to be Chris Wilson on  Tue Jul 8 06:29 CST 2003 [RELATED]

Your engine's electrical system controls the idle through the Idle Control Valve (IAC) which is "mapped" for various amounts of air based on the car status (A/C on or off, temperature, etc.). When you turn on the A/C, the engine is supposed to compensate by opening the Valve a little more to let in more air and therefore higher RPMs. This should have nothing to do with the throttle body if the TPS switch is properly telling the engine to idle.

I would check your IAC. Take it out. Spray some carb cleaner through it to clean it up incase it is sticking.

Chris Wilson
1995 945T






USERNAME
Use "claim to be" below if you don't want to log in.
PASSWORD
I don't have an account. Sign me up.
CLAIM TO BE
Use only if you don't want to login (post anonymously).
ENTER CAPTCHA CODE
This is required for posting anonymously.
OPTIONS notify by email
Available only to user accounts.
SUBJECT
MODEL/YEAR
MESSAGE

DICTIONARY
LABEL(S) +
IMAGE URL *
[IMAGE LIBRARY (UPLOAD/SELECT)]

* = Field is optional.

+ = Enter space delimited labels for this post. An example entry: 240 muffler


©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.