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Old 09-27-2002, 01:08 PM
suginami suginami is offline
Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,508
Yes, what you are referring to as the "throttle body" is really the throttle actuator, and it can be removed without taking out the intake manifold.

However, from reading your posts again, I do not think your actuator is bad.

I can't believe that all of us missed it, but you have a '94 E320, and your problem jumps out at me like you have a bad engine wiring harness.

All of the engine wiring harnesses from '93 to '95 on these M104 engines have bad insulation that cracks with age, causing random check engine lights, mis-firing, poor idleing, hesitation under acceleration, etc. You have all of the symptoms.

There was even one post today about an idle problem and the culprit was a bad wiring harness.

I did a search and here are the results:

Go ahead and read through as many of the posts as you can bear, and let us know what you think. There are ways to check the harness and you will find this in many of the threads.

Good luck.
Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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