re. Idle speed oscillates. Not ISV, I think.

[Andrew Mabe]

I had a similar problem in my 91 16v(famous for idle problems).  New 02 
Sensor, cleaned the TB up, and a NEW ISV fixed everything.  Often cleaning 
wont do enough to fix a SIV valve.


running at speed
>and remove my foot from the accelerator there is a delay of 1 to 2 seconds
>before deceleration starts and then it is very abrupt.  It is not a smooth
>transition like before the idle anomaly started.]
>
>
>


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