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 ShopForum > Technical Information and Support > Tech Help

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 04-18-2001, 05:36 PM
doall_dude
Guest
 
Posts: n/a
Got in the car yesterday morn. waited for the glowplug light to go out,hit the start,she sounded like she would go and didn't. Now it just cranks, checked volts to glow plugs (new last year) and it's there. (10.3VDC) Tried today and same thing, only if I hold the accelerator pedal to the floor, she tries to start but can't pull it off. Sounds like it's out of gas, could the fuel filter be clogged? It's been on for about six months (15,000 mi.) What can I do myself, besides call a tow truck? My dealer really sucks, had this car in last week for a rough idle, they said they could not duplicate! Week before for a noise in the front end ( two trips) could not duplicate, I fixed it, it was sway bar bushings. So you see why I can't trust them.
Reply With Quote
  #2  
Old 04-18-2001, 07:42 PM
wengelke's Avatar
Registered User
 
Join Date: Apr 2001
Location: Northport, AL
Posts: 6
Similar experience

Prior to my current 300D I had a VW Jetta diesel, that acted like what you described. Turned out the fuel pump inside the injector pump was worn out (this is what sucks fuel from the tank before it goes to the high pressure injector lines). I removed the injector pump (this was not an easy job) and had it rebuilt by a specialized diesel injector pump shop. Cost $500 which was 1/3 cost of buying a remanufactured pump. I put the injector pump back in, bled the injector lines, and the car started immediately! Wear on these pumps can be caused by Govt.-mandated low sulfur fuel that does not have good lubricity. Question is, how do you know if the injector pump is bad? If you are cranking the engine and the pump is working but the car is not starting, normally you will have fumes/vapors of unburnt diesel fuel coming out of the tailpipe. If nothing is coming out of the exhaust during cranking, look for a fuel problem.
Another thing that brought down yet another diesel I had (1980 Olds 88 with 350 cu-in diesel) was fungus growing in the tank that clogged up the fuel sock. The dealer's expensive solution was to drop the tank, drain and flush it. A cheaper solution is to buy a tube of diesel anti-fungus stuff available at many truck stops (on two other occasions I did this and it worked). It kills the fungus; then you should replace the fuel filter because the dead fungus can clog it up. Fungus can come from many sources, including condensed water in the bottom of the tank where fungus and bacteria grow, or could be pumped in with fuel if you buy diesel from a low-volume place (always buy diesel fuel from a high volume truck stop if possible!)
Hope this helps... Bill
__________________
Bill
- 1991 300D Turbo 2.5
- 2000 ML 320
Reply With Quote
  #3  
Old 04-18-2001, 08:58 PM
Registered User
 
Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
Volts sound low. I like to see 10.9 and above for cranking.

Be sure you have fuel. I would look at the pre filter with a light to see if it is full of fuel.
__________________
Benzmac:
Donnie Drummonds
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 11 YRS
Reply With Quote
  #4  
Old 04-19-2001, 12:39 AM
Registered User
 
Join Date: Sep 1999
Location: Cremona, Alta, Canada
Posts: 263
Get someone to crank the engine while you crack open an injector line at the injector. If you have fuel there then your glow plugs have quit (most likely problem).
__________________
Mark
82 300SD 110k
91 Caprice SS
92 Jetta TD
97 Cadillac Concours(300hp)
84 Celebrity 4.3L diesel
Reply With Quote
  #5  
Old 04-19-2001, 08:58 AM
doall_dude
Guest
 
Posts: n/a
Do you think the fungus thing would apply to this car if I use more than a tank of fuel a week, it doesn't sit around much. When I purchased this car a few years ago, I purchased a new pre filter, however I have never been able to locate it on the car, any hints where it may be hiding?
Is it likely that all six glow plugs would go bad at the exact same time? When I had a glowplug problem before, two of them were not getting hot, but the thing started right up every time. I really hope it's not the fuel pump, can't imagine what that would cost?
Thanks for all your help!
Reply With Quote
  #6  
Old 04-19-2001, 06:43 PM
MBenzNL's Avatar
MBenzNL
 
Join Date: Jan 2001
Location: the Netherlands
Posts: 1,417
The pre filter should be located near the fuel pump on the right side of the engine (standing in front of the car) between the incoming fuel line and fuel pump.

Normally glowplugs do not go bad at the same time (if so, there is a problem with the glow relay or the fuse in the glow relay).

It sounds like your car is out of fuel; check the fuel at the pre-filter or injector line while somebody is starting the car.

greetingz,
__________________
1990 300SL-24
1993 C250D
with a minor 600+k kilometer
www.MBenzNL.com
(the Netherlands)
Reply With Quote
  #7  
Old 04-19-2001, 07:36 PM
wengelke's Avatar
Registered User
 
Join Date: Apr 2001
Location: Northport, AL
Posts: 6
The fungus thing

Sometimes this fungus grows in the gas station's tank. The problem is worse if you buy fuel from a smaller place that doesn't turn over fuel so often (i.e., not a high-volume truck stop), because the fuel sits around a long time.
__________________
Bill
- 1991 300D Turbo 2.5
- 2000 ML 320
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


Similar Threads
Thread Thread Starter Forum Replies Last Post
1999 E300 Turbodiesel won't start all of a sudden. dtf Diesel Discussion 16 03-26-2004 08:23 PM
Please help me start a non-starting 240D. ericnguyen Diesel Discussion 4 05-15-2003 10:58 AM
What may be wrong if a 1981 Mercedes 240D can only start when doing a push start? ericnguyen Diesel Discussion 5 03-26-2003 11:40 AM
98 E300 turbodiesel rough start when cold colinc Tech Help 17 05-18-2002 01:17 PM
1991 420SEL - beginning of a cold start problem DieselGuy Tech Help 1 07-30-2001 04:56 AM



All times are GMT -4. The time now is 10:44 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, 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