check the OVP and the fuel relay, if that doesn't work try another CIS ecu, IIRC u have another M103 W124 so just try its ECU, (not the EZL)
If all this doesn't work, plz check if the car is running rich (black smoke) or if it is lean, it can be the airmeter sensor that the cis plate is connected to, it is expensive to replace.

But i still say its an OVP or the relay with the red top that has 2 fuses in it for that controls the CIS/choke/ among other things.

__________________
Jay,
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-1995 Blue W202 C36 AMG (M) SOLD ;(
-1995 Black W140 S500 (Lady)
-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
-1981 Gold W123 280CE.(Dareen)(Sold)
http://www.youtube.com/user/jayrasheed