DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306 Or P0316: Misfire Detection Monitor: Condition
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when a multiple cylinder misfiring or Camshaft Position (CMP) sensor failure is present. Misfire monitor detect any condition which can damage catalytic converter and affect emission performance. Possible causes are:
- Ignition system malfunction.
- Fuel injectors malfunction.
- Fuel pressure malfunction.
- Evaporative emission system malfunction.
- Purge solenoid valve malfunction.
- Engine mechanical malfunction.
- Running out of fuel.
- Internal engine wear.