P1409 MAZDA - EGR Vacuum Regulator Solenoid Circuit Malfunction
- Faulty EGR Vacuum Regulator Solenoid
- EGR Vacuum Regulator Solenoid harness is open or shorted
- EGR Vacuum Regulator Solenoid circuit poor electrical connection
When is the code detected?
ECM commandes EGR vacuum regulator on-System voltage too high or low
- Engine Light ON (or Service Engine Soon Warning Light)
P1409 MAZDA Description
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