[AT] Any Chevy TBI experts

[Phil Auten]

My '91 F150 did the same thing at cruise, no matter what the speed. 
Turned out to be the EGR position sensor.

Phil

At 01:06 AM 11/5/05, you wrote:
>This is for my tractor hunting vehicle.....
>
>I have an 89 chevy 4wd 3/4 auto w/ TBI..    at light load, either 
>starting out, or running at 30-40 mph the engine surges.  It drives 
>me nuts.  Has anyone had this problem or knows how to solve it.  I 
>have looked at several statements about this on the internet, and 
>according to what I read, it could be a 2 week chore testing 
>everything that it could be.  I do have a on-board tester for it, 
>but I have never had any codes show up....
>
>Cecil in OKla