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Old 11-01-2006, 04:04 PM
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Hit Man X Hit Man X is offline
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Originally Posted by JMan300sd View Post
I have the same issue. When I start up my car it sits at about 500 on cold mornings after I rev it sits back down at about 750-800. I tried adjusting the rack damp. pin, but If I loosen it at all my car shakes terribly without any noticeble higher rpm on a cold idle. I have a feeling it might be timing related and I am going back to the drawing board with my injection pump this weekend. Ill probably give the millivolt method a try again although the last time It took me several hours to only get partially imrpoved results in the running of the engine.
I just set my timing with the AB light, so I don't think it is that. Hrm. Maybe the pin is worn?

Maybe just the IP is worn.

Originally Posted by Tabor View Post
what model?

Since the 603 has a computer controlled idle and no rack pin... it has to be the SD...
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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