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#1
07-08-2020, 05:03 PM
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M111 2.2 misfire thread :-/
Hi everyone.
I have a 1994 W124 2.2 M111 and iv recently fitted a new loom, the car hasn't been ran in about 6 months so came to fire it up and its started but running very lumpy. Whilst the car was in storage, it had been parked in a terrible place which has leaked water into the top of port 3 & 4 i removed the HT leads cleaned and dried them and replaced the plugs. However still lumpy, i suspect there may be moisture trapped in the HT leads and have ordered some new ones to replace. Im a bit out of touch with the old mercedes, so could damp in the HT leads cause the misfire? Im starting with this before going down the coil route etc, i know the loom is good as its brand new along with the coil lead 
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#2
07-24-2020, 02:33 PM
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I am familiar with the 1998 M111. Great engine. The 1998 has a gasketed cover on the top. Does yours not have that, or it was off? I will assume yours is the same as mine was. So you have the two coils, the two wires and the two "dog bone" connectors under the coils? Is that correct? Do you have any diagnostic capabilities on that one since it is OBD 1 I think.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra
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