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Old 08-04-2016, 03:17 PM
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Join Date: Jul 2015
Location: Fairfax, VA
Posts: 35
1994 E320 has check engine red light Code 6

1994 E320 has check engine red light. It is code 6. Cleared it once but it came back on. What do I need to do to correct the problem permanently?

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Old 08-04-2016, 03:37 PM
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Join Date: Aug 2002
Location: Southeastern PA
Posts: 3,054
Pete2, what is Code 6? I recently had a Check Engine light in our 1995 E320 and cleaned the EGR tube where it connects to the intake manifold. There is a clamp in front of the oil filter housing that needs to be loosened. Remove the sound encapsulation panel. Then working from under the engine, there are 2 bolts (10mm as I recall) that connect the tube to the intake manifold. Remove both and gently pull the tube out of the intake manifold. Clean any loose carbon build-up from the tube end and the intake manifold with a small screwdriver, etc. The tube on our E320 was very easy to clean ... the difficult job was removing the 2 bolts since they have restricted access.
Fred Hoelzle

Last edited by Ferdman; 08-04-2016 at 04:07 PM.
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Old 08-04-2016, 06:44 PM
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Join Date: Feb 2007
Location: los angeles
Posts: 712
code 6 is idle issue, ive had my 94 e 320 for 19 years , never had that code , but i dont have asr, maybe related to throttle actuator , may check for sticking idle linkage,look up search results unkown what the fix is

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