In a four-stroke engine, the crankshaft rotates twice for every single rotation of the camshaft (a 2:1 ratio). The camshaft controls the opening and closing of the intake and exhaust valves. To ensure the pistons (connected to the crank) do not strike the valves (controlled by the cam), this timing is mechanically fixed by a timing belt or chain.
Technical Analysis and Diagnostic Procedures for DTC P0016 / VCDS Code 178: Crankshaft Position - Camshaft Position Correlation vcds 178
VCDS is a diagnostic tool used to communicate with Volkswagen Group (VAG) vehicles, including Audi, Seat, Skoda, and Volkswagen. It's a popular alternative to the manufacturer's proprietary diagnostic tools. In a four-stroke engine, the crankshaft rotates twice