Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004FOCUS ZX3, 2.3 Z, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS - CNG, FLEX-FUEL & GASOLINEDIAGNOSTIC TROUBLE CODE (DTC) CHARTSP1409 - EGR VACUUM REGULATOR SOLENOID CIRCUIT MALFUNCTION
2004 Ford Focus ZX3, 2.3 Z, Standard
P1409 - EGR Vacuum Regulator Solenoid Circuit Malfunction
2004 Ford Focus ZX3, 2.3 Z, StandardSECTION P1409 - EGR Vacuum Regulator Solenoid Circuit Malfunction
P1409 - EGR VACUUM REGULATOR SOLENOID CIRCUIT MALFUNCTION
| 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 HH: Exhaust Gas Recirculation System Module (ESM) STEP 23 | GO to HH: Exhaust Gas Recirculation System Module (ESM) STEP 23 | GO to HH: Exhaust Gas Recirculation System Module (ESM) STEP 23 |
| All Others | GO to HE: Exhaust Gas Recirculation (EGR) Systems STEP 59 | GO to HE: Exhaust Gas Recirculation (EGR) Systems STEP 59 | GO to HE: Exhaust Gas Recirculation (EGR) Systems STEP 59 |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.