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How to fix my Mercedes-Benz 190E's fuelling?

My Mercedes-Benz 190E is very heavy on petrol. For 10 litres of fuel, I get 60km. It does not smoke, what can l do to solve this? It's been recently serviced.

Asked on 17 December 2012 by Austine 190 E or nothing else...!

Answered by Alan Ross
Well we would suggest that you have the fuel pump relay checked out. If that is okay then check the cold start injector system.
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