werner_williams1

SL engine issue Crankshaft Camshaft Correlation

My 2003 SL gasoline engine is having issues The check engine light is on, power is reduced, and fuel consumption is high I scanned the codes and it indicates a crankshaft to camshaft reference value problem Is it likely a crankshaft sensor, or could it be a cam sensor or stretched timing chain?

4 comment(s)

Crankshaft to camshaft correlation errors can be tricky Have you checked the crankshaft sensor connector and wiring harness for cleanliness and damage? Also, when was the cam sensor last replaced?

I will check the connector and wiring Thanks for the suggestion I do not recall when the cam sensor was last replaced Could a faulty cam sensor cause these crankshaft reading issues, or is a stretched timing chain more likely?

While a faulty cam sensor is possible, the reduced power and poor response suggest a crankshaft sensor issue A stretched timing chain is less likely unless the car has been neglected If unsure, a trusted mechanic can diagnose it You might face a cost of around 340€ to resolve the problem

I checked the connector, and it seemed okay I took it to a garage, and it was the crankshaft sensor They replaced it, cleared the codes, and it runs great again The total cost was 340€ Thanks for the advice

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