P1400 Ford Code - Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
Quick Answer
The P1400 Ford code indicates an issue with the Differential Pressure Feedback Electronic (DPFE) sensor circuit in the vehicle. Common causes include Faulty DPFE sensor, Damaged wiring or connectors in the sensor circuit, Clogged EGR system. 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
- P1400 Ford indicates Differential Pressure Feedback Electronic Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty DPFE sensor, Damaged wiring or connectors in the sensor circuit, Clogged EGR system.
- 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.
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Code P1400 Ford Description
The P1400 Ford code indicates an issue with the Differential Pressure Feedback Electronic (DPFE) sensor circuit in the vehicle. This sensor is responsible for monitoring the flow of exhaust gases through the EGR (Exhaust Gas Recirculation) system. The EGR system helps reduce emissions by recirculating a portion of the exhaust gases back into the intake manifold to be re-burned in the combustion process.
Common Causes of P1400 Ford
- Faulty DPFE sensor
- Damaged wiring or connectors in the sensor circuit
- Clogged EGR system
- Malfunctioning EGR valve
Symptoms of P1400 Ford
- Decreased fuel efficiency
- Rough idling or stalling
- Engine hesitation or lack of power
- Increased emissions
- Engine misfires
How to Fix P1400 Ford
- Begin by diagnosing the specific cause of the P1400 Ford code using a scan tool to read the code and perform further testing to pinpoint the issue.
- Inspect the DPFE sensor, wiring, and connectors for any signs of damage or wear. Replace any components that are found to be faulty.
- Check the EGR system for any blockages or obstructions that may be affecting its operation. Clean out any debris or carbon buildup.
- Test the EGR valve to ensure it is functioning properly. Replace the valve if necessary.
- Clear the diagnostic trouble codes from the engine computer and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P1400 Ford
The typical repair costs for addressing a P1400 Ford code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, parts for this repair can range from $50 to $200, with labor costs ranging from $100 to $300. Keep in mind that these are rough estimates, and actual costs may vary based on the location, vehicle make and model, and engine type. It is advisable to consult with a trusted mechanic or auto repair shop to get a more accurate estimate for your specific situation.
Tech Notes for P1400 Ford
2000-2002 Ford Taurus
2001-2002 Ford Crown Victoria
2001-2002 Ford Focus
2001-2002 Ford Mustang
2001 Ford Explorer USPS
2001-2002 Ford E Series
2001-2002 Ford Escape
2001-2002 Ford Expedition
2001-2002 Ford Explorer Sport Trac
2001-2002 Ford Explorer Sport
2001-2002 Ford F-150
2001-2002 Ford Ranger
2001-2002 Ford Windstar
2002-2003 Ford Explorer
Ford Factory Service Bulletin OBDII Code P1400 Code
When is the Code Detected?
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Information for Specific Ford Models
- P1400 1997 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 1998 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 1999 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 2000 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 2001 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 2002 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400 2003 Ford F150 — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
Frequently Asked Questions about P1400 Ford Code
1. What are the common symptoms of OBDII code P1400 in a Ford vehicle?
The common symptoms of OBDII code P1400 in a Ford vehicle may include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.
2. What does the OBDII code P1400 in a Ford vehicle indicate?
OBDII code P1400 in a Ford vehicle indicates an issue with the Differential Pressure Feedback Electronic (DPFE) sensor circuit registering low voltage.
3. What are the possible causes of OBDII code P1400 in a Ford vehicle?
Possible causes of OBDII code P1400 in a Ford vehicle include a faulty DPFE sensor, damaged wiring or connectors in the sensor circuit, or a problem with the vehicle's electronic control module (ECM).
4. How can I diagnose the cause of OBDII code P1400 in my Ford vehicle?
Diagnosing OBDII code P1400 in a Ford vehicle typically involves checking the DPFE sensor for proper operation, inspecting the sensor circuit wiring for damage, and using a scan tool to monitor sensor voltage readings.
5. Can I continue driving my Ford vehicle with OBDII code P1400?
It is not recommended to continue driving your Ford vehicle with OBDII code P1400, as it can lead to further engine issues and potential damage if left unresolved.
6. How can I repair OBDII code P1400 in my Ford vehicle?
To repair OBDII code P1400 in a Ford vehicle, you may need to replace the DPFE sensor, repair any damaged wiring or connectors in the sensor circuit, or reprogram the ECM if necessary.
7. Is it possible to reset OBDII code P1400 in a Ford vehicle without fixing the underlying issue?
Resetting OBDII code P1400 in a Ford vehicle without fixing the underlying issue will only temporarily clear the code, and the issue is likely to reoccur if not properly addressed.
8. Can a DIY enthusiast fix OBDII code P1400 in a Ford vehicle?
A DIY enthusiast with automotive repair experience may be able to diagnose and fix OBDII code P1400 in a Ford vehicle, especially if they have the necessary tools and resources.
9. How much does it typically cost to repair OBDII code P1400 in a Ford vehicle?
The cost to repair OBDII code P1400 in a Ford vehicle can vary depending on the specific issue causing the code, but it may range from $100 to $300 for parts and labor.
10. How often does OBDII code P1400 occur in Ford vehicles?
OBDII code P1400 can occur in Ford vehicles with DPFE sensor systems, especially in older models or those with high mileage, due to sensor wear and wiring issues over time.
Discuss the causes and fixes for P1400 Ford OBDII Code
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I got a 2002 Ford Taurus I got a code p1400 also code p0193 cars bucking like it's going to run out of gas or starving for gas almost feels like transmission going in and out at sometimes how would I go about checking to see if the pressure sensor is getting poor or short in the electrical lines would the pressure sensor make the car buck like it running out of gas and anybody can help please
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Yes. Please read the "Factory Service Bulletin" listed on the "Tech Notes" above . Follow the instruction in the bulletin to repair the problem.
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