88 5KTQ this week my idle speed has gone up

[syljay]

Sticking Throttle plates will cause idle issues. BTDT.

Its a very close and precise fit between the throttle plates and the 
throttle body. Over time, the throttle body gets gummed up with gunk 
and the plates dont close all the way. It doesnt take much gunk to 
hang up the plates.

When was the last time you had the throttle body cleaned out? Most 
likely never.
Its easy enough to remove the throttle body and give it a good 
cleaning - 4 Allen head bolts. Replace the gasket.
While you have it apart, test the idle and WOT swithches for proper 
operation.

SJ in NJ



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From: JeffreyZentner at aol.com
Subject: 88 5KTQ this week my idle speed has gone up

Hi All
I have an 88 5KTQ this week my idle speed has gone up. Normally and 
now when
I first start the engine it idles at between 900 and 1200 rpm. Now 
after the
engine has warmed up it idles at about 2200 and then goes down to 
about 1800
rpm. I have checked the throttle and cruse control cables and they are 
not
holding up the idle. What will cause this?

Jeff Zentner
Alta CA

88 5KTQ]