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Old 05-12-2008, 07:04 PM
Registered User
Join Date: Aug 2007
Location: Sealy, Texas
Posts: 58
260E sooty plugs

1987 260e
After a trip up the road and back (about 8 miles) the idle stalls and it will not restart until I pull the plugs and clean them.
so far:
Fuel filter
new ignition coil
Changed the EZL
changed the fuel distributor
changed the EHA
changed the idle control motor
new cap and rotor
new air filter
It doesn't matter what make of plugs they all soot up.
The duty cycle reads 17.2 - 18.1 and fluctuates. If I lean out the mixture to get a better duty cycle reading then it won't start.
With all those parts changed it has done nothing to help my problem. The ovp appears to be functioning. no ABS light on. If I unplug the eha the car will stall.
I've search the previous posts, thats why I changed all that I did.
What have I missed guys??

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Old 05-13-2008, 01:27 PM
Registered User
Join Date: Aug 2007
Location: Sealy, Texas
Posts: 58
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Old 05-15-2008, 06:15 AM
simmo1961's Avatar
Registered User
Join Date: Apr 2008
Posts: 8
have a look at the sencer plate i had problems with my 230e 1989 sounds like the same
i posted 230e hard start cold repair easy fix check it out it may help

Last edited by simmo1961; 05-15-2008 at 06:26 AM.
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Old 05-15-2008, 06:32 AM
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Join Date: Jan 2008
Posts: 112
First, I have no experience with your particular model but based on my experience with other cars I would suggest the CTS (coolant temp sensor) and oxygen sensor as possible problems.

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