Locate the locking bolt for the sensor.
Miata crank position sensor symptoms.
This is on the lower side of the sensor bracket nearest to the passenger side.
The mazda miata utilizes a crankshaft position sensor in order to regulate the engine timing.
It is a circular metal unit that sits right on the rear of the valve cover.
Without this information the engine would not be able to function properly.
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.
This sensor uses a reluctor to gauge the position of the crank.
In this video i will show you how to replace the crankshaft position sensor on my 2001 mazda miata mx 5.
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.
If your miata is a 1990 or 1991 with vin 209446 or less you have a crankshaft with a smaller diameter nose.
When the miata s ecm determines that there is an issue with the signal coming from this sensor it ll throw the p0335 trouble code.