Parts Catalog Accessories Catalog Tech Info Tech Forums
  Search our site:    
 Cart  | Project List | Order Status | Help    

Go Back   PeachParts Mercedes ShopForum > Technical Information and Support > Tech Help

LinkBack Thread Tools Display Modes
Old 02-26-2000, 03:30 PM
Posts: n/a
I have a 1992 300e with 82,000 miles which has a cold starting problem. The service records indicate that the car was only driven a few thousand miles over the last couple of years. I have had the car since July, 1999 and I don't know if the previous owner had these problems.

Fuel will occasionally foul out the spark plugs, making it impossible to start until the car is again allowed to sit to let the plugs dry off. After running several cans of injector cleaner through the engine, my mechanic thinks it is an intermittent lack of spark condition. He tells me that he can not get any computer codes to come up to tell him what is wrong. He first adjusted the flywheel sensor, then replaced a number of ignition related items like the overvoltage regulator, rotor, coil, coil wire, etc. He then replaced the flywheel sensor. He continues to think it is an intermittent lack of fire/ignition problem. Even if the car starts right up the first try, it will idle roughly for a few seconds before smoothing out and then it runs fine.

When the problem first began, the engine would begin to sputter while it was being driven, and it would shut off in the middle of traffic. It would usually restart, but once it began sputtering like this, it would continue to shut off and run rough at low speed. "Blowing the soot out" didn't seem to help. I haven't had this part of the problem lately, but I can't seem to shake the unpredictable hard start.

I have read some other posts from 190e owners with what sounds like a similar problem.
Reply With Quote
Old 02-27-2000, 08:31 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Cold running & starting is controlled by the coolant temp sensor at the rear of the cylinder head. This sensor isn't very $$$ & I have replaced many causing this & other problems. At times they go open circuit & make the engine very rich as it's an NTC sensor.
Reply With Quote
Old 02-27-2000, 01:13 PM
Registered User
Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I had a problem like this, and after replacing the coolant sensor, the problem was better, but not cured. I had to close the pins that are connecting the control unit to the harness. Some of the pins were loose and information was not getting into the control unit.

1981 280GE SWB
1987 16V

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 Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
cold start problem C36 M104 ke6dcj Tech Help 3 07-30-2004 08:21 PM
Cold start problem Rocky Tech Help 6 05-07-2004 01:53 PM
300E Cold Start weird problem(newbie) Stubman Tech Help 2 01-21-2004 04:28 PM
Idle problem on cold start jlomon Tech Help 0 10-18-2003 10:40 PM
300E very fast after a cold start.... Badinfo Tech Help 21 02-01-2002 05:24 AM

All times are GMT -4. The time now is 04:52 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2016, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2011 Pelican Parts - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page