15 Nov 2026
The voice of the independent garage sector

Give diesels a helping hand

Soot is a common problem for diesel engines and older vehicles may struggle to pass the emissions test during an MOT because of it so Liqui Moly suggests using its Pro-Line Diesel System Cleaner in this instance. The concentrated treatment has been developed to remove chemical deposits from the fuel system, injection nozzles and combustion chamber. The can is poured into the fuel tank and gets to work after a few miles, dissolving deposits while the fuel is burnt and according to Liqui Moly, this results in the engine regaining its original power, fuel efficiency and exhaust gas values. It also protects against corrosion and minimises the effects of w