EGR Vacuum Regulator Solenoid Circuit Malfunction
Table of contents
P1409 MAZDA Possible Causes
- Faulty EGR Vacuum Regulator Solenoid
- EGR Vacuum Regulator Solenoid harness is open or shorted
- EGR Vacuum Regulator Solenoid circuit poor electrical connection
How do I fix code P1409 MAZDA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1409 MAZDA code
The cost of diagnosing the P1409 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
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.