Resources and insights

A faulty EGR valve typically causes rough idling, reduced power or limp mode, black smoke, poor fuel economy and an…

Most stop start failures are the system suspending itself rather than breaking. Low battery state of charge is the leading…

A diesel that struggles only on cold mornings usually has failing glow plugs or a faulty glow plug relay. A…

Most manufacturers specify a brake fluid change every two years regardless of kilometres, because brake fluid takes on water from…

A car that cranks slowly or clicks rapidly with dim dash lights usually has a flat battery. A single loud…

Heavy steering usually means the power assistance has stopped doing its full share of the work. On hydraulic systems the…

Both outer edges worn means under inflation, a worn centre strip means over inflation, one edge worn points at camber…

A knocking noise over speed bumps is most often a worn anti roll bar link, a perished suspension bushing, a…

A car that feels bouncy, floaty or unsettled after bumps usually has worn shock absorbers. Their job is to control…

If an engine is losing oil and not dripping on the driveway, it is usually burning it internally . This…

Salt air corrodes every vehicle, but the bill lands harder on European cars because more of what corrodes is aluminium,…