While fuel-injector cleaning is often recommended by shops and dealer service centers, it probably isn’t necessary unless it’s correcting a running problem. In many cases, just using a quality ...

A North West engineering firm specialising in common rail diesel fuel systems has invested £120,000 in new technology to repair smart injectors. Extract Engineering, in Carlisle, has added ...

We've tested a bunch of pour-in fuel additives in Fact or Fiction over the years. Can you really blame us? With all their promises of horsepower and torque increases, detonation resistance, and ...