Crank Sensor
08-03-2007, 03:44 PM
#1
Member
Thread Starter
Join Date: May 2007
Location: stamford, CT
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
1993 Mercedes 300e 4-matic (m103 motor)
Crank Sensor
I have a feeling my crank sensor may be causing all my problems. What would happen if i unplugged it and tried to start the car and run it for a little while. (could i cause any damage?)
08-04-2007, 01:05 AM
#4
Member
Thread Starter
Join Date: May 2007
Location: stamford, CT
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
1993 Mercedes 300e 4-matic (m103 motor)
i've posted a bunch of times no one has nay ideas. It will run for 15 mins (until 80-85 degrees) than just turn off. Every time.
08-04-2007, 06:36 PM
#6
MBWorld Fanatic!
Join Date: Dec 2006
Location: St. Croix, US Virgin Islands
Posts: 1,033
Likes: 0
Received 0 Likes
on
0 Posts
1995 E320 SE, 162,000 Miles (Sold)
Ok heres the deal it will run fine start up fine until runnign temp than it will just turn off. EVERY TIME it will turn off. 9/10 times it will start back up and run for 2 ro 3 minutes than completely die. Than it will crank but no start."
It sounds like a failing electronic part, to me. I think the crank sensor may be it. I've heard they fail when they warm up when they are starting to go bad. They only way to be sure without investing in testing equipment is to replace it and find out. But I would think it would set a code on the computer for sure.
Last edited by shdoug; 08-04-2007 at 06:38 PM.
Trending Topics
08-05-2007, 12:24 PM
#8
MBWorld Fanatic!
Join Date: Dec 2006
Location: St. Croix, US Virgin Islands
Posts: 1,033
Likes: 0
Received 0 Likes
on
0 Posts
1995 E320 SE, 162,000 Miles (Sold)
08-05-2007, 04:16 PM
#10
MBWorld Fanatic!
Join Date: Dec 2006
Location: St. Croix, US Virgin Islands
Posts: 1,033
Likes: 0
Received 0 Likes
on
0 Posts
1995 E320 SE, 162,000 Miles (Sold)
08-06-2007, 07:43 AM
#12
MBWorld Fanatic!
Join Date: Dec 2006
Location: St. Croix, US Virgin Islands
Posts: 1,033
Likes: 0
Received 0 Likes
on
0 Posts
1995 E320 SE, 162,000 Miles (Sold)
08-06-2007, 10:47 AM
#14
MBWorld Fanatic!
Maybe it's the crank position sensor... have you tried the fuel pump relay though?
Could also be your EZL (or "Ignition Control Module"). Have you tried searching/posting on Mercedesshop.com?
Could also be your EZL (or "Ignition Control Module"). Have you tried searching/posting on Mercedesshop.com?
08-07-2007, 08:57 PM
#16
Almost a Member!
Join Date: Apr 2007
Posts: 55
Likes: 0
Received 0 Likes
on
0 Posts
Not sure where you could find it, but a friend of mine told me of a tool called a "magic mushroom" that plugs into your diagnostic socket and the codes are read via LEDs. Other than that, your only other choice may be to go to the dealer, have them read the code, tell you whats wrong, then just refuse the repair. Come home, buy it online and repair it yourself. Just a suggestion.
08-10-2007, 12:47 AM
#17
Member
Thread Starter
Join Date: May 2007
Location: stamford, CT
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
1993 Mercedes 300e 4-matic (m103 motor)
I solved the problem the wire connecting the crank sensor to the EZL was badly worn, and shortign out when hot, new crank sensor and i was good to go.
08-10-2007, 09:13 AM
#18
MBWorld Fanatic!
Join Date: Dec 2006
Location: St. Croix, US Virgin Islands
Posts: 1,033
Likes: 0
Received 0 Likes
on
0 Posts
1995 E320 SE, 162,000 Miles (Sold)
08-10-2007, 10:15 AM
#19
Member
Thread Starter
Join Date: May 2007
Location: stamford, CT
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
1993 Mercedes 300e 4-matic (m103 motor)
if it fell apart i woudl assume so...what was mercedes thinking putting bio degradable wiring in a car for god sakes.
