Modern engines contain hundreds – nay – likely thousands of different parts. There are valves and springs, at least one camshaft, engines also have bearing inserts, an oil pump, numerous gaskets, ...

I have a Seat Altea XL 1.9 TDI 59 reg and every few weeks it refuses to start - it normally kicks over first time no matter what the weather is. SEAT installed a new fuel pump about 6 months ago, then ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...