124 Emissions Fault Code 11 - What's the fix? - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 01-08-2011, 12:26 PM Thread Starter
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Date registered: Jan 2011
Vehicle: 90 300TE 4Matic Wagon - 198,000 miles
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Question 124 Emissions Fault Code 11 - What's the fix?

90 300TE 4Matic Wagon. I'm getting a fault code 11 on the self diagnostic module - Tn-signal (rpm signal ) at engine control module faulty. Anyone know the fix for this fault? New MAF, maybe, or is it a signal diminution going into the MAF? Car runs fine, idles fine, starts a little slow in extreme cold, but otherwise no issues. Help me Obi Wan!

Last edited by Scotshammer; 01-09-2011 at 07:01 AM.
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