Car Mechanics and Maintenance

Coolant top-up and leakage: what should you do?

Coolant leakage can cause a lot of damage. When the engine runs for a while, it becomes warm. The operating temperature is normally around 90 degrees.

Find out what fault code P2463 means, why excessive soot builds up in the DPF and how a DPF cleaner can support regeneration.

Learn what fault code P20EE means, how SCR and AdBlue system problems can cause it and when sensors, dosing or catalyst checks are needed.

Learn what fault code P242F means, why a diesel particulate filter becomes clogged and how DPF additives may help burn off accumulated soot.

Find out what fault code P0401 means, how EGR blockages affect performance and when an EGR cleaning additive may help.

Learn what fault code P2002 means, why a clogged DPF affects diesel performance and how additives may support regeneration and soot reduction.

How your engine silently gets dirty and why that is a problem

Discover how internal engine contamination develops unnoticed, what symptoms to watch for and why timely cleaning can help prevent higher fuel use and costly...

Discover what causes ticking or rattling engine noises, why hydraulic lifters may become contaminated and how oil additives can help reduce valve noise.

OBD2 code P0420 fault code

Find out what OBD2 fault code P0420 means, which catalytic converter or sensor problems may cause it and when a catalytic converter cleaner may help.

Coolant in oil: how to clean it

Discover why coolant in engine oil is a serious issue, what causes it and how an oil system cleaner can help remove contamination from the oil circuit.

Oil in coolant: what should you do?

Discover what oil in coolant can mean, which cooling system problems may cause it and how a radiator flush can help remove sludge and contamination.

Learn what fault code P0300 means, which issues can cause cylinder misfires and how fuel additives may help when contamination is part of the problem.