DTC P1409: Exhaust Gas RECIRCULATION (EGR) Vacuum Regulator (EGRVR) Solenoid Circuit
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1409 - EXHAUST GAS RECIRCULATION (EGR) VACUUM REGULATOR (EGRVR) SOLENOID CIRCUIT
| 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. | ||
| Possible Causes: |
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| Diagnostic Aids: | The EGR vacuum regulator solenoid resistance is between 26 and 40 ohms. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Vehicles with an EGR system module (ESM) | GO to Pinpoint Test HH . | ||
| All others | GO to Pinpoint Test HE . | ||