Where should I look for the idle speed actuator on an M102 engine. I have a high Idle problem. Also does the throttle switch run off a vacumn.I am going to try and trace a vacumn leak this weekend which seems to also be affecting the tranny (hard shift 2-3)any help where to look would be helpful. 88 190e2.3
Thanks in advance for the response.

If you do not even know what it looks like, how are you going to fix it?? You need the CD for the 201 chasis. You can get it in partsshop...

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope :)
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

OK no problem. I won't be posting anything until I get a CD or a book. Thanks for your help.