94 E320 Check Engine Light - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 06-27-2005, 10:14 PM Thread Starter
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Date registered: Jun 2005
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94 E320 Check Engine Light

The check engine light came on a hour after I filled the tank. Not sure if this is the cause of the engine light. MB service guy checked the code box and it would not flash?? Just stayed red. He said car is fine, the light should reset itself. If it doesnt go out how can I reset it my self? Can I disconnect the battery? Will this reset it?
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post #2 of 3 (permalink) Old 07-12-2005, 06:07 PM
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Date registered: Nov 2002
Vehicle: 10 GLK 350 4Matic
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RE: 94 E320 Check Engine Light

Don't disconnect the battery. That could cause other issues. The errors re-set everytime you shut the car off anyway.

Has the engine harness wiring been replaced? The 92 to 95 Benzes have had a terrible problem with the wires decomposing. The insulation ends up looking 100 years old. Apparently MB had the bright idea of having recyleable wiring -- and they self recycle while you are driving. There was a stealth recall giving dollars to the stealership to spend at their discretion on this. The stealership uses the dollars only on their best customers.

Look at the wire going into the sensors at the front of the engine? If they are stiff and the insulation is breaking into little rings - that's what's happening.

I was getting a check engine for a while, then it sanrted running rough.

The harness costs $600 from the online parts houses. The whole job is $1200 or $1600 done at the dealer or an independent shop.

Good luck.

Mike

Now: 2010 GLK350 4Matic Then: 2003 C320 4Matic, 2006 E320 CDI, 2000 E320, 1994 E320, 1991 190E, 1985 300D, 1983 300D


"Eagles may soar, but weasels don't get sucked into jet engines."
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post #3 of 3 (permalink) Old 01-19-2006, 04:09 PM
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Date registered: Jan 2006
Vehicle: 94 E320 Wagon
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RE: 94 E320 Check Engine Light

I need to get a new wiring harnest where is the best/cheapest place to get them online?
p.s. please e mail me at jzbenzboy@yahoo.com with an answer thanks
John from pa
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