Miata Crank Position Sensor Symptoms

The camshaft position sensor gathers information about the vehicle s camshaft speed and sends it to the vehicle s engine control module ecm the ecm uses this data to determine the timing of the ignition as well as the timing of the fuel injection that the engine requires.

Miata crank position sensor symptoms.

Without this information the engine would not be able to function properly. According to mazda the european spec mx 5 breakpoint is at 127442 the pulley bolt shoulder diameter is 1 128 inches. For 1 6 liter engines locate the crank angle sensor close up view at the rear of the passenger side valve cover close to the firewall. In this video i will show you how to replace the crankshaft position sensor on my 2001 mazda miata mx 5.

This is on the lower side of the sensor bracket nearest to the passenger side. Locate the locking bolt for the sensor. If your miata is a 1990 or 1991 with vin 209446 or less you have a crankshaft with a smaller diameter nose. It is a circular metal unit that sits right on the rear of the valve cover.

It monitors the position and rotational speed of the crankshaft and sends the information to the engine control unit so it can make appropriate adjustments based on operating conditions. The mazda miata utilizes a crankshaft position sensor in order to regulate the engine timing.