I’Audi Q3 with biodiesel could present engine oil lubrication problems more frequent, according to the technical bulletin published by a well-known company that produces technical bulletins and tools for the aftermarket. Fuels produced from biomass are spreading widely in Italy but are not always compatible with all diesel cars. Here is the problem reported by a workshop and how to solve it.

AUDI Q3 WITH BIODIESEL AND ENGINE THAT WILL NOT TURN OFF

The technical intervention bulletin describes the issue occurred on certain Audi Q3 older:

• Audi Q3 product from 2011 to 2017;
• engine 2.0 TDI 16V with particle filter;
• problem: increase in engine speed, The engine runs even if the ignition is off and/or the engine oil is contaminated with fuel.

AUDI Q3 SOLUTION WITH DILUTED, HIGH-LEVEL ENGINE OIL

THE Audi Q3 problem it would seem a typical case of self-ignition and excessive oil level engine polluted by diesel when the particle filter regenerations have not been completed. In particular, however, the bulletin reports that “The anomaly usually appears when using fuel of poor quality or with a biodiesel content > 5%”. The workshop recommended solution to fix the problem is:

• completion of particle filter regeneration;
• change engine oil;
• use premium diesel.

BIODIESEL FUEL, BEWARE OF FILTERS

The availability of fuels with additives from biosourced components is very wide today. For example, we recently talked about ENI HVOlution biodiesel produced from 100% renewable raw materials. It is a fuel compatible with all engines approved by manufacturers with EN 15940 specification. enough to know check the instruction booklet what are the recommended fuels, also with regard to the maximum content of oils of vegetable origin. Not all cars always digest biofuel well, and the most common problems begin to appear in fuel filters.