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Engine light on 2002 Explorer. engine code P1400

Engine light on 2002 Explorer. engine code P1400 . What is differental press feedback EGR circuit low input? We replaced EGR valve, cleared the code and drove car 2 miles and light came back on.

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  • Anonymous Mar 22, 2014

    P1400

  • Anonymous Mar 31, 2014

    MY TRUCK IS GIVING THIS CODE P1400

  • Anonymous Mar 31, 2014

    TRUCK IS GIVING CODE P1400

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This may have to do with a bad wiring. Check all the wiring associated with EGR operation. Whenever a computer throws a code about high or low circuit voltage, it is usually attributed to abnormal wiring.

Posted on Nov 14, 2009

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Code p1400 gmc enjoy 2007 what is the problem in this code


Definition of Diagnostic Trouble Code P1400 Audi: EGR Valve Circ Electrical Malfunction BMW: Heated Catalyst Battery Voltage or Current too Low during Heating (Bank 1) Chrysler: Manifold Differential Pressure Sensor Circuit Malfunction Dodge: Manifold Differential Pressure Sensor Circuit Malfunction Ford: Differential Pressure Feedback EGR Circuit Low Input Hyundai: EGR System Monitor Malfunction Infiniti: EGRC Solenoid/V Jaguar: Exhaust Gas Recirculation Valve Position Control Jeep: Manifold Differential Pressure Sensor Circuit Malfunction Lexus: Sub-TPS Malfunction Lincoln: Differential Pressure Feedback EGR Circuit Low Input Mazda: DPFE Sensor Circuit Low Input Mercedes: EGR Switchover Valve Malfunction (C230 Only) Mercury: Differential Pressure Feedback EGR Circuit Low Input Mitsubishi: Manifold Differential Pressure Sensor Circuit Malfunction Nissan: Differential Pressure Feedback EGR Circuit Low Input Subaru: Fuel Tank Pressure Control Solenoid Circuit Low Input Toyota: Sub-Throttle Position Sensor Malfunction Volkswagen: EGR Valve Circ Electrical Malfunction

Jun 20, 2015 | 2007 GMC Envoy Denali

3 Answers

My 2002 Ford Explorer gave me code P1400. What does it mean


P1400 indicates the following:
Differential Pressure Feedback Electronic Sensor circuit Low Voltage

Most common cause is a bad DPFE sensor.

Jul 15, 2011 | 2002 Ford Explorer

1 Answer

My sister 2002 ford explorer sport trac check engine light came on and she took here vehicle to autozone to have it checked and they gave here a paper saying troubleshooting p1400 what is this?? and how do...


P1400 DPF EGR Sensor
Circuit Low Voltage Detected

I understand what the valve does, but
don't know exactly where to have you look
for it, or if it really failed without testing it

If you want to chance just replacing it, like
everyone seems to do,follow the vacuum
hoses away from the EGR Valve, and you should
find a small sensor in the vauum hoses with
a wire connector on it.

Mar 16, 2011 | 2002 Ford Explorer

1 Answer

Either code 4000 or 1400 on 2002 ford ranger 4.0 ltr v6. the right code should equate to the egr valve. I have replaced the egr valve but check engine light comes on again after reset showing same code.


code p1400 is a DPF EGR sensor CIRCUIT LOW VOLTAGE detected. most likely is a problem with the wiring to the egr or dpfe sensor. the pinpoint tests for code p1400 instruct you to test all wiring before replaceing the egr or dpfe sensor

Jan 19, 2011 | 2002 Ford Ranger Regular Cab

3 Answers

Ford Taurus. Check Engine Light Code P1400


P1400 Exhaust Gas Recirculation valve position sensor
P1401 Exhaust Gas Recirculation valve position sensor
P1402 Exhaust Gas Recirculation metering orifice restricted
P1403 Exhaust Gas Recirculation differential pressure sensor
P1404 EGR Temperature Sensor circuit
P1405 Exhaust Gas Recirculation Differential Pressure Feedback Sensor upstream hose off or plugged
P1406 Exhaust Gas Recirculation Differential Pressure Feedback Sensor downstream hose off or plugged
P1407 EGR solenoid -No Flow Detected
P1408 EGR solenoid -Flow out of Self- Test Range
P1409 EGR Vacuum Regulator solenoid circuit malfunction
---
The sensor for the EGR Valve position is not functioning correctly.

Oct 16, 2010 | 2002 Ford Taurus

2 Answers

My code reader says p1401 ford exscape


p 1401 is a code for differential pressure feedback egr circuit high input there is a small square sensor on the engine with a vacuum line here is some info Exhaust Gas Recirculation (EGR) System Monitor” Differential Pressure Feedback EGR
The Differential Pressure Feedback EGR System Monitor is an on-board strategy designed to test the integrity and flow characteristics of the EGR system. The monitor is activated during EGR system operation and after certain base engine conditions are satisfied. Input from the ECT, IAT, TP and CKP sensors is required to activate the EGR System Monitor. Once activated, the EGR System Monitor will perform each of the tests described below during the engine modes and conditions indicated. Some of the EGR System Monitor tests are also performed during on demand self-test.

The Differential Pressure Feedback EGR sensor and circuit are continuously tested for opens and shorts. The monitor looks for the Differential Pressure Feedback EGR circuit voltage to exceed the maximum or minimum allowable limits.

The DTCs associated with this test are DTCs P1400 and P1401.
The EGR Vacuum Regulator solenoid is continuously tested for opens and shorts. The monitor looks for an EGR Vacuum Regulator circuit voltage that is inconsistent with the EGR Vacuum Regulator circuit commanded output state.

Jul 26, 2010 | 2001 Ford Escape

1 Answer

Get a p1400 code check engine light


P1400 - DPFE (Differential Pressure Feedback Electronic) Sensor circuit Low Voltage

The DPFE sensor is usually not hard to change. There are 2 small rubber hoses that run from the EGR tube to it...

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Replace DPFE sensor, reset engine fault codes. The Ford one is a good one and rockauto.com carries Airtex. Sometimes I hear that this change always need replace EGR valve to delet all codes. Test it.

Good luck.

Jul 07, 2010 | 2002 Ford Explorer Sport Trac

3 Answers

Wat does code p1400 means


In order to give you accurate information. I need size of engine example 2.0 L 3.0L. but code P1400 means Differential Pressure feedback EGR circuit low input. Maybe your differential oil is low.

Apr 01, 2010 | 2002 Ford Taurus

1 Answer

I did the OBD 2 fault code test on my 2002 ford exploer. Auxiliary emission control code P1400 is what came on. What do i need to do to fix it?


DPFE EGR Circuit Low Input". for a P1400 code . The sensor is located on the pass. side of the eng comp. back near the firewall. It sits on top of two small rubber hoses that attach to metal tubes. These tubes lead down to the EGR tube. . Good luck

Mar 29, 2010 | 2002 Ford Explorer

1 Answer

2002 expedition has code 0401, have replaced the EGR solenoid, light came back on, now what


replace differental pressure feedback egr {dpfe} and two silicone hoses

Dec 12, 2009 | 2002 Ford Expedition

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