An air filter swap is a quick and easy way to give your engine a boost

West country farmer, Matt Dale, prefers using his boat to working on it - but sometimes, even he has to bite the bullet and get his tools out

New innovations mean you have more chance of keeping your boat afloat and avoiding polluting the sea around you. Rob Melotti investigates

Tracing and fixing faults in electronic engine management systems

Steve Rothwell answering your ENGINE MANAGEMENT queries

Just 30 years ago, diesel cars were a bit rubbish. They were loud, clattery, vibrating, smelly and usually appallingly slow. But politicians thought they were the bee’s knees, because they were margin