Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help

Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

LinkBack Thread Tools Display Modes
Old 07-06-2002, 12:36 PM
Posts: n/a
240D uneven idle at startup

My 1983 240D 4 spd is sitting in my yard as I work on it. I start it up once a day and let it run for a bit to make sure things are good. When I started it up today, the idle was a bit uneven and then smoothed out. I shut it down, and started it again and it started smoothly. This normal?
Reply With Quote
Old 07-06-2002, 01:17 PM
Registered User
Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Probably needs to be driven some. Idle is hell on diesels, causes them to carbon up and all sorts of other ills.

You could also have a weak glow plug, causing one cylinder to burn poorly until it warms up. You will get a small amount of white smoke if this is the case, worse when it is cold outside.

If you haven't done a valve adjustment, do so -- these engines are sensitive to valve wear.

1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
Reply With Quote
Old 07-06-2002, 01:30 PM
Holson Adi's Avatar
Registered User
Join Date: Jul 2001
Location: Boston, MA
Posts: 2,561
Maybe you just need to increase the idle speed a little or if there is a rack damper pin behind the injection pump it might need to be backed out (loosened).

Don't take my words on the rack damper. I actually don't think it's available on the 240D
2008 BMW 335i Coupe
Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -4. The time now is 09:21 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page