Idle Problem ?


funkee49
05-24-2008, 12:32 PM
In park or nuet. idle is fine. When I drive it goes up to about 2000 and won't come back down until I make a complete stop. ?? I replaced isc and reset everything. Any idea??? 93 Eldorado

DFBonnett
05-24-2008, 06:08 PM
Have you cleaned the throttle body and plates?

funkee49
05-24-2008, 07:56 PM
Yes I did. Thanks.

Where is my 3.4
05-24-2008, 07:59 PM
What are we working on car or a truck 4 or 6

funkee49
05-25-2008, 01:54 AM
93 Eldorado 4.9L

DFBonnett
05-25-2008, 02:55 PM
Is the ISC adjusted correctly?

funkee49
05-25-2008, 08:27 PM
Yes. I believe so.

DFBonnett
05-26-2008, 07:42 AM
Any binding in the throttle linkage? How did you adjust the ISC?

funkee49
05-27-2008, 09:37 PM
I removed isc control took idle to 550. Had the plunger on isc all the way in. It was about 1/4" from throttle when I put it back on. ??

DFBonnett
05-28-2008, 03:12 PM
With the base idle at about 450 and the ISC fully manually retracted and unplugged, I set my clearance at .030. Seemed to work well.

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