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#1
10-31-2002, 11:35 PM
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1994 E320 fault codes 2 and 6?
The check engine light just came on my wife's 1994 E320 wagon, so I followed the procedure to read the codes, and 2, 5, and 6 came up. The car has 150,000 KM's and is running and idling fine.
Error code 5, EGR is well documented and I will follow the directions to test and clean. I cannot seem to find codes 2 and 6 mentioned in the archives. Would someone please id them for me? Thanks, John Wells 
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#2
11-01-2002, 02:27 AM
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Last edited by bobterry99; 11-01-2002 at 11:11 AM.
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#3
11-01-2002, 08:37 AM
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That is a nice complete list of codes for the Diagnostic Module N59, but it does not say what models or years use that module. Can I assume that the listed fault codes apply to any vehcile?
In that case the fault codes say: code 2: Heated oxygen sensor inoperative code 6: Idle speed control inoperative Thanks, John
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#4
11-01-2002, 12:32 PM
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this page shows the fault codes for your car:
http://www.batauto.com/MB/ It looks like you have the correct info from JimF's page. Out of curiousity, have you ever replaced your engine wiring harness?
__________________
Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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#5
11-01-2002, 12:34 PM
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By looking at the codes, you may have a bad O2 sensor.
Regarding code number 6, your idle speed is controlled by the throttle actuator, which is a very expensive part - about $1,000. Better hope it's just your O2 sensor.
__________________
Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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