1992 500SL Check Engine Light ON - Mercedes Forum - Mercedes Benz Enthusiast Forums


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Old 03-15-2005, 12:00 AM
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Join Date: Feb 2005
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Default 1992 500SL Check Engine Light ON

Can anyone tell me what a Fault Code 7 - TN Signal @CFI Control Module means?

I tried clearing the code and the engine ran really rough for about 3 minutes, then the light came back on and the engine ran smooth again? What the ...?

If you could help me identify what needs to be fixed, I would appreciate it.

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1992, 500sl, benz, check, clear, code, codes, diagnostic, engine, light, lights, mercedes, missing, pull, sl500

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