P1406 2007 Ford Fusion Code - DPFE Sensor Circuit Downstream Hose
Quick Answer
The purpose of the Exhaust Gas Recirculation (EGR) system on your engine is to limit oxides of nitrogen (NOx) emissions. Common causes include Downstream hose is disconnected, Downstream hose is plugged (ice), Plugged or damaged Exhaust Gas Recirculation (EGR) tube. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1406 2007 Ford Fusion indicates DPFE Sensor Circuit Downstream Hose.
- Common causes
- Common causes include Downstream hose is disconnected, Downstream hose is plugged (ice), Plugged or damaged Exhaust Gas Recirculation (EGR) tube.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1406 2007 Ford Fusion Description
While driving, the exhaust gas recirculation (EGR) monitor commands the EGR valve closed and checks the differential pressure across the EGR orifice. The test fails when the signal from the differential pressure feedback EGR sensor continues to indicate EGR flow even after the EGR valve is commanded closed.
What are the Possible Causes of the DTC P1406 2007 Ford Fusion?
- Downstream hose is disconnected
- Downstream hose is plugged (ice)
- Plugged or damaged Exhaust Gas Recirculation (EGR) tube
- Faulty Differential Pressure Feedback Electronic (DPFE) sensor
- Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted
- Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection
How to Fix the DTC P1406 2007 Ford Fusion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1406 2007 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1406 2007 Ford Fusion Code
1. What are the common symptoms of OBDII code P1406 in a 2007 Ford Fusion related to the DPFE sensor circuit downstream hose?
The common symptoms include rough idling, poor fuel efficiency, stalling, and the illumination of the Check Engine Light.
2. What is the DPFE sensor in a 2007 Ford Fusion and how does it relate to code P1406?
The DPFE (Differential Pressure Feedback EGR) sensor measures the flow of exhaust gases. Code P1406 indicates a malfunction in the DPFE sensor circuit related to the downstream hose.
3. What are the possible causes of OBDII code P1406 in a 2007 Ford Fusion?
Common causes of P1406 include a faulty DPFE sensor, damaged downstream hose, clogged EGR passages, or electrical issues within the sensor circuit.
4. How can I diagnose the issue causing code P1406 in my 2007 Ford Fusion?
Diagnosing P1406 involves inspecting the DPFE sensor and downstream hose for damage, checking EGR passages for blockages, and testing the electrical connections in the sensor circuit.
5. Can I drive my 2007 Ford Fusion with OBDII code P1406?
It is not recommended to drive with code P1406 as it can lead to engine performance issues and potentially cause further damage. It's best to address the underlying problem promptly.
6. Is it safe to continue driving my 2007 Ford Fusion if the Check Engine Light is on due to code P1406?
Driving with the Check Engine Light on is not advised as it can indicate a problem that may impact the vehicle's performance and emissions. It's recommended to have the issue diagnosed and repaired.
7. How can I repair OBDII code P1406 in my 2007 Ford Fusion related to the DPFE sensor circuit downstream hose?
Repairing P1406 may involve replacing the DPFE sensor, repairing or replacing the downstream hose, cleaning EGR passages, or addressing any electrical issues in the sensor circuit.
8. Can I reset the Check Engine Light after fixing OBDII code P1406 in my 2007 Ford Fusion?
After repairing the issue causing P1406, you can reset the Check Engine Light using an OBDII scanner to clear the trouble code and turn off the warning indicator.
9. Are there any maintenance tips to prevent OBDII code P1406 from recurring in my 2007 Ford Fusion?
Regularly inspecting the DPFE sensor, downstream hose, and EGR system for signs of wear or blockages can help prevent code P1406. Ensuring proper engine maintenance can also reduce the risk of recurrence.
10. How much does it typically cost to repair OBDII code P1406 in a 2007 Ford Fusion at a mechanic or dealership?
The cost of repairing P1406 can vary depending on the specific issue and labor rates, but it generally ranges from $100 to $300 for parts and labor. It's advisable to obtain quotes from different service providers for accurate pricing.
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