answersLogoWhite

0


Best Answer

i would check for vacuum leaks first but there is an idle august screw on the air intake wear the throttle cable connects to the intake

User Avatar

Wiki User

โˆ™ 2009-12-08 07:41:33
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides
๐Ÿ““
See all Study Guides
โœ๏ธ
Create a Study Guide

Add your answer:

Earn +20 pts
Q: How do you decrease the idle RPM on my 1991 Thunderbird?
Write your answer...
Submit
Related questions

Need to increase the idle RPM on your 1991 thunderbird sc how can you do that?

If you need to increase the idle you either have a vacume leak or the iac (idle air control) valve needs replace. Because this motor are control eletronicly.


Where do you set the idle on a 1991 dodge cummins pick up?

You will want an idle speed between 750 and 900 rpm with the ac on and in gear (if auto).You will want an idle speed between 750 and 900 rpm with the ac on and in gear (if auto).


What is the idle RPM for a 1.8L integra?

when u first start the car it will idle high, around 1.5 rpm to 2 rpm. when its warm up it should idle between 700-1000 rpm


What should be the RPM reading when hot on a 1999 jeep Cherokee?

It will idle as low as 600 rpm.It will idle as low as 600 rpm.


What is the RPM speed recommended for setting the timing on 1991 mustang 5.0?

Timing and idle setting maybe computer controlled and not adjustable. If they are adjustable should be 825-850 RPM


What would cause your 1991 Chevy Camaro v6 to idle erratic between 2000 and 2500 RPM?

Driver error.


I have a 1991 Mitsubishi 3000GT SL that Idles at 3000 RPM when started and won't go below that. Is this possibly the Idle Air controler?

the rpm when you start your car is suppose to be @ 800rpm...and you can lower and raise your RPM by screwing the idle controll at the left side of your plenum...its going to be look like a bolt of a flathead screw driver.


What is the idle RPM on a 1999 Toyota 4 runner?

the RPM should idle 700 - 900


What is the RPM at idle for 86 cutlass supreme?

the idle should be about 900 RPM in park or neutral.


What is the oil pressure factory specifications for 1991 rx7?

14-54 psi at idle/ 64-78 psi at 3000 rpm


What are the normal RPM 1994 Dodge Ram 1500?

Idle speed will vary from 600-1000 rpm.Idle speed will vary from 600-1000 rpm.


What is the normal RPM for 1 ton dodge dually 2007?

Idle speed could be 550-900 rpmIdle speed could be 550-900 rpm


What is the idle rpm beetle 1974?

1500 rpm.


What is the normal engine idle RPM?

A typical idle speed for a normal car engine is 600 rpm to 1,000 rpm. It is higher for buses and motorcycles. RPM stands for revolutions per minute.


What is the RPM at idle on a 2003 Chevy Trailblazer?

700 RPM


What would cause your 99 suburban to idle rough and studder only at low RPM?

it only studders at low rpm it runs great at high rpm or accelerating only at idle and take off rpm


What is Idle RPM?

When an engine is in "idle" it is taking over by itself without any acceleration (or load) being applied. This the "idle RPM" would be the number of revolutions it makes per minute while running at "idle".


What would cause a 1978 Datsun 280Z to idle at 2500 RPMs?

z idle adjustmentTurn the idle screw - on the intake manifold - clockwise to decrease rpm or counterclockwise to increase idle. You should also look around for a vacuum leak


Idle RPM camaro z28 lt1?

it should be 1000 rpm


How do you know if the idle RPM is to high?

normally idle around 1000rpm


What does the idle controvavlve do?

It maintains engine idle rpm when the throttle is closed.


Why does your gmc sierra idle 1500 rpm yet when you shut it off and restart it will go to normal rpm?

It is normal for a GMC Sierra to idle fast when it is first started. It will idle at around 1500 rpm until the engine warms up. To get it to slow the rpm's sooner, a person can tap the throttle once and it should slow down.


What is the proper RPM's at idle for a Honda ploit 2003?

It is 730 RPM +or - 50


What is idle RPM on 1997 trans am 5.7?

between 500 and 850 rpm


What RPM should your 97 Pontiac Sunfire idle at?

At or around 1,000 RPM.