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, 06:22 PM
cliffxmas
Guest
 
Posts: n/a
87 230te i have lost electric feed to fuel pump, have checked fuses and replaced fuel pump relay unit but still no feed, have put in a tempory feed from towing plug so when sidelights are on it activates the fuel pump, have you got any ideas?.
Reply With Quote
  #2  
Old 04-18-2001, 06:59 PM
Moderator
 
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The fuel pump relay must see a RPM signal fron the ignition system to energize the fuel pump.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator
Reply With Quote
  #3  
Old 04-19-2001, 08:27 PM
Moderator
 
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The ignition module processes the ac voltage signal from crank sensor into DC voltage frequency & sends it to Tachometer & fuel pump relay.
Reply With Quote
  #4  
Old 04-20-2001, 02:04 PM
cliffxmas
Guest
 
Posts: n/a
no power to fuel pump

thanks very much for your help, will check crank sensor over week end, is the ignition module on the nearside inner wing or behind battery beside relay,

regards
cliff
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
Starving for fuel? Priming pump? SD Blue Diesel Discussion 14 07-28-2004 06:55 PM
Mechanical Fuel Injection Pump not working properly M_Anker Vintage Mercedes 12 06-06-2004 01:40 PM
Need help with fuel pump relay wireing xp190 Tech Help 0 12-30-2002 05:27 PM
Did I short out my fuel pump? lylemiller Tech Help 5 10-28-2002 02:27 PM
fuel pump or hand pump handle..... unkl300d Diesel Discussion 4 05-10-2001 02:35 AM



All times are GMT -4. The time now is 02:33 AM.


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