answersLogoWhite

0


Best Answer

You can't. It is not adjustable. It is computer controlled.

You need to have the engine scanned with an engine scanner. If I was you I would clean the throttle plate real good with an old tooth brush and carb. cleaner until it is shinny and clean. That may just fix your idling problem.

UNLESS ....

If it has been modified and replaced with a carb you can adjust your idle throttle with the screw located behind the throttle cable, left to increase throttle, right to decrease.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you adjust idle speed on 1998 Chevy?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How do you adjust idle speed on a 1998 Honda Accord?

Honda Accord 1998-2002 model GEN 6 idle speed is control by internal computer. You need to bring it to the dealer to adjust this.


How do you set the idle on a 1987 Chevy Celebrity?

The idle speed on a 1987 Chevy Celebrity is controlled by the engine computer, there is no way provided to adjust it.


How do you adjust idle speed on a 1998 Chrysler Town and Country?

Idle speed is computer controlled and is not adjustable. If the speed is incorrect there is a sensor, actuator, or mechanical failure.


How do you change the rpm idle rate on a 1998 Chevy Prism?

A 1998 Chevy Prism's idle speed is computer controlled. You will have to take it to a garage to get it set. However, the idle speed could be altered if, say, your spark plugs are seriously worn. Changing them may restore the original idle speed.


How do you adjust the idle speed on a 2001 Subaru Forester and what should the idle speed be?

how to adjust idle on 2001 legacy


How do you adjust the idle speed on a 1998 Chrysler cirrus?

Idle speed on a 1998 Chrysler is computer controlled and is not adjustable. If idle speed is incorrect, you have a sensor, actuator, or mechanical failure. Places to start are, check for engine fault codes. Check for vacuum leaks.


How do you adjust the idle on a 1994 Chevy S10?

You don't. The ECM (Engine Control Module) maintains the correct idle speed. If the idle is out of control you probably have a vacuum leak.


1998 Park avenue stalls at idle?

Check idle speed rpm & adjust higher if lower than it should be. Mixture if it isn't.


How do you adjust idle speed on 1993 Chevy S10 pickup with a 2.8 liter?

May be computer controlled and not adjustable


How do you adjust idle speed for Toyota supra?

you can adjust it via the idle control valve.


How do you adjust idle for 1990 Chevy 1500 350 V8?

It could be the Idle Air Control (Idle speed control) valve. Its located on the left side of your TBI and has an electrical connection.


How do you adjust the idle on a 1991 Chevy Corvette?

== ==