We may receive a commission on purchases made from links. The glow plugs in a diesel are like the spark plugs in a gasoline engine, but they function differently. The only similarities between glow ...

For most cars and trucks, gasoline and diesel engines follow the same four basic steps to make power: intake, to get a mixture of fuel and air into the cylinders; compression, to squeeze that mixture ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

Diesel engines run on fuel that’s much thicker than gas, adding to the difficulty of cold-weather starts. To aid combustion, small electric heaters called glow plugs warm pre-combustion or combustion ...

Diesel cars make up roughly a quarter of the vehicles on Australia's roads, but while we refuel them in much the same way as a petrol car, less is known about exactly how diesel engines work – and ...