Hey Guys new owner NEED HELP w140 - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 07-05-2011, 09:55 PM Thread Starter
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Date registered: Jun 2011
Vehicle: w140 400se mercedes benz
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Hey Guys new owner NEED HELP w140

hey everyone new to site long time reader. this is my second benz 1992 400se. alright so my benz shakes when cold then starts to misfire and idle high around 1500rpms when warm. i narrowed it down to a couple things spark plug wires or coils. my car has 2 coils i disconnected 1 coil the car dies then i plug that one back in and disconnect the other the idle sort of moves down but car doesnt die!! is it bad coil??
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post #2 of 2 (permalink) Old 07-06-2011, 01:32 AM
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