Mazda CX-5 P0451: EVAP Pressure Sensor → Range/Performance

Like all OBD-II trouble codes, P0451 has the same meaning for all vehicles.  It means that your Mazda CX-5‘s EVAP system has a pressure sensor that is malfunctioning in some way.  P0451 is usually caused by either a bad EVAP pressure sensor, a clogged fuel tank relief valve, EVAP lines, EVAP wiring, or a bad … Read more

Mazda CX-5 P0204:  Injector Circuit Malfunction | Cylinder 4

P0204 is an OBD II trouble code.  It means that you have a fuel injector with a circuit malfunction, specifically the fourth cylinder in the firing order).  It’s generic code, which means that it means the same thing for the Mazda CX-5 as it would for any other vehicle. When the PCM sees that the … Read more

Mazda CX-5 P0015: “B” Camshaft Timing  → Over Retarded

  P0015 is a generic OBD II trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Mazda CX-5 can have VVT, and is known to develop this code. VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the … Read more