Checking the high-tension circuit
Automotive
The high-tension (HT) or secondary circuit carries high-voltage electricity. It runs from the secondary winding of the coil Through the distributor to the plugs. Any of these can break down and cause ignition failure. Do not touch any part of …
Lean burn engines
Automotive
In an ideal, 100 percent efficient internal combustion engine, the fuel would burn to give just carbon dioxide and water vapor. In practice, of course, engines are far from efficient and the combustion process. Also produces carbon monoxide, oxides of …