The control module detected improper operation of the Exhaust gas recirculation (EGR) valve. This is the manufacturer-specific definition used by Mazda.
Possible causes
- Wiring
- EGR valve
- ECM
TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Mazda. All interpretations of P1487
The control module detected improper operation of the Exhaust gas recirculation (EGR) valve. This is the manufacturer-specific definition used by Mazda.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Exhaust gas recirculation (EGR) valve - malfunction. The control module detected improper operation of the Exhaust gas recirculation (EGR) valve. This is the manufacturer-specific definition used by Mazda.
P1487 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Understand the system behind this code: EGR System