Throttle Plate adjustment

Just to add to your sleepless nights, here's an interesting instructional from w124-zone on centering your KE-Jetronic sensor plate.


Throttle Plate Adjustment and Airflow Body removal.

I highly recommend performing the follow procedure if
A) You have a throttle plate that does not travel up and down smoothly, or has no resistance at all.
B) Rough idling
C) Hard Starts

Factory PDF:
<—Adjusting and centering plunger.

<— Removing the KE-Jetronic body itself.
This procedure is pretty easy to do. Remove all fuel lines from the distributor, remove all necessary bolts holding the unit down and undo the ring clamp that holds the rubber boot to the throttle under the airflow body and lift up.

click on link for full how-to

photo from w124-zone.com