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adjusting 2.3 idle

Old 03-06-2008, 07:23 AM
Junior Member
Thread Starter
Join Date: Apr 2007
Location: United States
Posts: 8

well guys, ive got an 88 with the 2.3in it. I regestered here a
while back but then put the truck on hold. I started working on
it again the other day. It set up for about 6 years before I got
it, and the fuel system was in horrible shape. I took the tank
out last year and cleaned it up and resealed it, but eveytime it would
run for an hour or so the carb would be so full of crap that it wouldnt
run anymore. I finally replaced the tank, pump (went electric)
and all fuel lines and it cranks right up easily and runs alot
better. Back when I was first trying to get it running I
know some of the adjustments on the carb got messed with
just so I could get it to idle. Now that I have the
problems fixed I am having trouble getting the idle down low
enough. No matter what screws I adjust it still idles to
high. Any adivce, tips, or things to check?< src="http://www.google-analytics.com/urchin.js" ="text/"></>< ="text/">_uacct = "UA-939292-44";
Old 09-01-2008, 02:07 PM
Junior Member
Join Date: Mar 2008
Location: United States
Posts: 9

I was able to get a rebuilt carb from Autozone, which solved my problems. Wasn''''t too impressed with Autozone''''s carb, though. They just take used cores and rebuild them for resale. The carb I got had a loose bolt, a bolt that was a bit stripped, and some nicks in the wiring. But it seems to have solved the problems.

The Autozone part number for my 92 2.3 engine was:
(4 position square plug and second 2 position plug, Hitachi)<! Message ''''"" >
Old 09-09-2008, 01:04 AM
Junior Member
Join Date: Sep 2008
Location: United States
Posts: 6

i hard the same problem with my 94 i got a tank full of sugar one night and had to change the tank fuel lines and carb and i had the same exact probles the idle would not adjust low enough. come to find out it was a vacum system leak. one of the control valves went bad and was stuck in the open position and sucking air into the manifold. i replaced it and the idle went back to normal. good luck. also the manuel says that when adjusting the idle adjustment turn the adjustment screw all the way in and back out 3 turns and adjust as needed from that point to reach desired idle also make sure tha the throtle adjustment screw is adjusted so that it is not apllying any preasure to the throtle because this will relase fuel as if you were driving and idle adjust ment will be off. causing the motor to stall when you let of the gas. good luck.
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