2.3 idle

matt cook · 07-31-1999, 03:57 PM

the idle speed on my 89 ranger (150,000miles) has been hanging up alot lately. Regular warm idle speed is like 550, but it hangs at like 900. I have read that on high mileage vehicles the butterfly shaft will get worn and physically hang up - is this true. I've heard that setting the idle up a little can cure this (which I would like to do, because I like a higher idle anyway) Why does it say idle speed not adjustable - because of emmisions? Need some ideas?
(I have cleaned the TB and it still hangs)
thanks

------------------
1982 Mustang GT

Jett · 08-02-1999, 04:22 PM

Check your idle air bypass valve, and the egr. Also might wanna check your TPS voltage. Plus, you might be able to adjust the idle at the throttle linkage.

------------------
Brad
88lx 2.3T s
www.turboford.org
"When a Saleen blows by the NSX, at least the NSX owner can say that
his extra $30k was worth it because his cup holders work better."

07-31-1999, 03:57 PM	#1
matt cook Registered Member Join Date: Dec 1998 Location: Richmond, Virginia Posts: 449	2.3 idle the idle speed on my 89 ranger (150,000miles) has been hanging up alot lately. Regular warm idle speed is like 550, but it hangs at like 900. I have read that on high mileage vehicles the butterfly shaft will get worn and physically hang up - is this true. I've heard that setting the idle up a little can cure this (which I would like to do, because I like a higher idle anyway) Why does it say idle speed not adjustable - because of emmisions? Need some ideas? (I have cleaned the TB and it still hangs) thanks ------------------ 1982 Mustang GT

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08-02-1999, 04:22 PM	#2
Jett Registered Member Join Date: Sep 1998 Location: Tallahassee, Fl., US Posts: 130	Check your idle air bypass valve, and the egr. Also might wanna check your TPS voltage. Plus, you might be able to adjust the idle at the throttle linkage. ------------------ Brad 88lx 2.3T s www.turboford.org "When a Saleen blows by the NSX, at least the NSX owner can say that his extra $30k was worth it because his cup holders work better."