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P1409 MAZDA - EGR Vacuum Regulator Solenoid Circuit Malfunction

Possible causes
- Faulty EGR Vacuum Regulator Solenoid
- EGR Vacuum Regulator Solenoid harness is open or shorted
- EGR Vacuum Regulator Solenoid circuit poor electrical connection
What does this mean? What does this mean?
When is the code detected?
ECM commandes EGR vacuum regulator on-System voltage too high or low
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1409 Mazda Description

This test checks the electrical function of the EGRVR solenoid. The test fails when the EGRVR circuit voltage is either too high or too low when compared to the expected voltage range. The EGR system must be enabled for the test to be completed.

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