Question about 2002 Ford Ranger Regular Cab

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2002 FORD RANGER 6CYL. 4.0L I GOT A P1400 TROUBLE

2002 FORD RANGER 6CYL. 4.0L I GOT A P1400 TROUBLE CODE SO I REPLACED DPFE SENSOR. THEN I GOT A P0401 CODE. WHAT COULD THIS BE?

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Exhaust gas recirculation flow insufficient detected.
Maybe you got a bad DPFE sensor, or the pintel inside the egr valve is not opening all the way causing the insufficient flow.

Posted on May 14, 2010

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Posted on Jan 02, 2017

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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 Mercury Mountaineer is jerking while in motion. Autozone gave me 3 different readings and I don't know which one to try to get fixed first. The codes were P0401- which deals with the EGR, which I...


the p1400 is also an egr code more than likely the dpfe sensor differencial pressure fuel .....
common trouble with the sensor warranty was extended 2yr - 24k so could be warranty repair

Jun 25, 2011 | 2002 Mercury Mountaineer

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My check engion light is on i had it checked out they said it a manfucter code p1400 what is that


http://www.fordforums.com/f57/2002-ford-explorer-p1400-code-dpfe-sensor-150191/

look here - they do explain it pretty well

May 07, 2011 | 2002 Ford Explorer

1 Answer

I have 1999 ford ranger 3.0 flex fuel. 109,000 miles. i get a code reading of p1400. is that a sensor problem or some kind of valve. and can you give a cost for repair estimate. thanks ...


The code P1400 reads "DPFE Sensor Voltage Low" (Ford, Mazda). Often it's caused by a bad DPFE sensor or clogged EGR passages. DPFE stands for (Differential Pressure Feedback EGRI) I would clean the EGR valve which cost nothing. If that does not cure the problem, you may need to replace the DPFE sensor, which does cost, and it may not fix the problem. If you want to be sure you replace the correct part, then visit your local Ford dealer.

Feb 14, 2011 | Ford Ranger Cars & Trucks

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

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

2 Answers

Engine runs rough at certain speeds 3.0 v6 flex-fuel 1999 ranger


Check and see if the EGR valve is leaking, to check this spray water on it at idle, if the water steams off the valve is leaking and is the source of your problem, also are you sure you hooked the new DPFE sensor up right? re-check it..

Nov 23, 2008 | 1999 Ford Ranger SuperCab

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