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 > Tech Help

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 04-13-2004, 01:29 PM
Registered User
 
Join Date: Jul 2003
Location: Northbrook,Ill
Posts: 3
Rough Idle in gear

I have a 1988 300TE with 48,000 miles on it. I have replaced the plugs, plug wires and injectors and still have a rough idle when the car is warmed up and in gear. Anyone have a solution?

Reply With Quote
  #2  
Old 04-13-2004, 02:14 PM
Bud
Guest
 
Posts: n/a
I was about to suggest checking the motor mounts but you have pretty low mileage. I thought that 65K on my '91 was low!
Reply With Quote
  #3  
Old 04-13-2004, 04:08 PM
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,830
Two thing I can suggest:

- Clean the throttle body bore.

- Check the egr valve to make sure the poppet is perfectly seated and no exhaust gases are getting by at idle.
__________________
95 E320 Cabriolet, 153K
Reply With Quote
  #4  
Old 04-13-2004, 04:44 PM
Senior Member
 
Join Date: Apr 1999
Location: Walnut,CA,USA
Posts: 554
Motor mounts,Motor mounts,Motor mounts must be the mounts
__________________
MB STARS Master Guild Technician,17 years MB tech
14 years independent shop owner
Reply With Quote
  #5  
Old 04-13-2004, 05:15 PM
terminator's Avatar
Registered User
 
Join Date: Feb 2003
Location: NC
Posts: 119
I had moisture in my fuel tank on my 89 300SEL. I used STP gas dry and it cleaned up my problem within a half of a tank. I tried various fixes for my idle, but nothing seemed to help. So I put everything back to factory spec and ran the STP and that fixed my problem.

__________________
Mike

90 300D 511k
95 C280 133k
14 BMW 528i
Reply With Quote
Reply

Bookmarks

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 04:30 PM.


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