Downward gear engagement in which the input shaft and output shaft are locked together; the gearing in the drivetrain in which one turn of the crank shaft equals one turn of the wheel.
A colorless, odorless gas, which is highly poisonous. CO is produced by incomplete combustion. It is absorbed by the bloodstream 400 times faster than oxygen.
A magnetic, hall effect, optical or magneto resistive sensor usually mounted internally in the engine, externally to the engine are in the distributor to inform the ECM or PCM of the crankshaft position location of No. 1 piston, and crankshaft speed for ignition timing and other calculationneeded by the system where RPM is in input.