Mazda MX-5 P0354:  Coil Pack “D” Malfunctioning – Diagnosis

P0354 is a generic OBD2 code that indicates that ignition coil “D” has an issue with the primary or secondary wiring circuits.  If your Mazda MX-5 has thrown this code, it may be accompanied by P0304.  P0354 is a relatively straightforward diagnosis and is typically caused by a bad coil pack or wiring harness issue, … Read more

Mazda MX-5 P0353 Diagnosis

P0353 is a generic OBD2 code that indicates that ignition coil “C” has an issue with the primary or secondary wiring circuits.  It has the same meaning for the Mazda MX-5 as it would any other vehicle.  It is typically caused by a bad coil pack or wiring harness issue, although there can be caused … Read more

Mazda MX-5 P0087:  Fuel Rail/System Pressure → Too Low

P0087 is a relatively common OBD II trouble code.  This code indicates that there is an issue with getting enough fuel pressure to the fuel rails.  It’s generic, which means that it has the same meaning for the Mazda MX-5 as it would any other vehicle. This code is most common on vehicles that use … Read more

Mazda MX-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 MX-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