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Old 04-28-2005, 11:08 PM
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Join Date: Apr 2005
Location: springfield, missouri
Posts: 2
1990 500SL wet running problem

Before I blow this thing up, I thought I would check with you guys. Here is my problem. I am running down the road, it starts raining and in a matter of time my engine will die. It will start back up and idle but if you touch the gas or just put it in gear, it goes dead. I have noticed also, that my climate control always goes to automatic when I restart the engine, after I have turned it off. I have spent a lot of money at different shops and no one can fix it. HELP!!

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Old 04-29-2005, 09:34 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153

Wet running problems are almost always secondary ignition related!

WHAT has been replaced as far as ignition system, caps/rotors/wires/coils???
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Old 04-29-2005, 02:55 PM
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Join Date: Apr 2005
Location: springfield, missouri
Posts: 2
1990 500 SL wet runner

I have replaced these items:
Cam Sensor
Ignition cables
dist caps and rotors
crank position sensor

The weird thing is, you can squirt a hose right on everything and it won't kill it. Then if it sits awhile with the hood closed it does it.

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