Where is the location of the sending unit for the tach on a w124??
Help

Dependant on engine type & fuel system.

What YEAR & model?

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It never ceases to amaze how often threads ask an engine question and then provide only a chassis number. In the U.S. alone the 124 chassis was offered with 10 diffferent engines, and many more in other markets.

I have a Mercedes Benz. Can you tell me how to test and then replace the fuel system?

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2012 E350
2006 Callaway SC560

W124 300tdt 1987.
help please.

Has to be down low - I'm guessing rear, driver's side of the engine.

The problem here is obvious - wrong forum - you need to post under Diesel Discussion.