idle adjustment

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kricket3000

New Member
93-4dr,d15b7, newb question, how do i adjust the idle? i have been adjusting it by the throttle cable, but there has to be a better way. what should the idle be? cause when i turn on a/c the idle drops so much the feel like it's going to cut off. thanx Bob
 
There is a flathead screw on the face of the throttle body. But you need to jump the service connector (usually below the glove box, 2 pin connector just hanging there, jump the two wires together)

Idle should be 750ish.
 
Yes, and unplug the IACV on the back of the intake manifold too, forgot about that.. You jump the connector to keep the ECU from trying to correct the idle while you are messing with it.

Make sure the car is at opperating temperature when you set it as well..


You need a haynes or a chilton, lol. I'm giving this to you in bits and pieces as I remember it..

Should be:

Unplug the IACV
short the service connector pins
Start the car and run it until it reaches opperating temperature
Set the idle via the flat head screw on the face of the throttle body to 750rpms(may have a little rubber cover over it)
Turn off the car
Plug in the IACV
Un short the service connector
Start the car and marvel at your wonderful work.
 
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