Alfa Romeo 159 Diesel Problems

Are you having problems with your Alfa Romeo 159 Diesel? Let our team of motoring experts keep you up to date with all of the latest Alfa Romeo 159 Diesel issues & faults. We have answered all of the most frequently asked questions relating to problems with the Alfa Romeo 159 Diesel.

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Detergents in premium diesel

Answered by Graham Smith · 21 Sep 2012

Premium diesel does have a detergent in it to cleans the fuel system, which could be why you are feeling an improvement in its running.

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