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Posted on Apr 01, 2010
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Wat does code p1400 means

Wat does code p1400 means
engine light is on

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Ottoniel

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  • Posted on Apr 01, 2010
Ottoniel
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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.

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  • Posted on Apr 01, 2010
Marvin
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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.

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  • Posted on Nov 22, 2013
Michael Babbitt
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Before you replace to many parts you need to do an exhaust back pressure check,back pressure maximum @ 3,000 rpms is 1.5 to 2 psi. Eliminate a plugged exhaust before going to high dollar parts

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I have a 2006 Saab 97x 4.2i, check engine light is on the the codes that came up are p0014, and p1400. Can anyone tell me the problems

Please follow the link for info you requested on P0014
http://www.autocodes.com/p0014_saab.html

P1400 Saab
When you check engine light came on code P1400 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Saab manufacturer may have a different definition for the P1400 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
Saab P1400 Possible Solution : The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
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My trailblazzer keeps intermittly give engine codes P0014, P0449, P1400

p0014 is likely a camshaft solenoid valve, the p0449 is likely a evap vent valve or wiring, and a p1400 (sorry for this one) is likely a cylinder head. based on the codes you asked you have the 4.2l L6 motor.
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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.
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Engine light on code is a p1400

This Code means the Differential pressure feedback sensor has low Voltage. It can also mean there is no Voltage or a vacuum line is loose. The switch is a DPFE switch which helps control the EGR. Check the connector for corrosion or replace the switch.

You will need to wipe the Code from the computer. Autozone, Oreillys, and Advance will scan your vehicle for free and can wipe the Code after you replace your switch.
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Engine light coming on code p1400

A code of p1400 means that there is an EGR fault in the egr system.These systems are basic and contain most of the same parts.These parts are as follows An EGR valve,Egr valve gasket and an ,Egr valve to manifold tube.I would take a look at the gaskets for the manifold tubes and the EGR valve.I cant tell you where its at without knowing the year ,model,and engine size.But with the information given thats the best I can do for you but this gives you some idea as to where to start.
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Code p1400 on my nissan altima check engine light

P1400 - EGRC Solenoid Valve

The P1400 code is for the EGR solenoid and not for the valve. The solenoid control the opening and closing of the valve. You should check the solenoid hoses and the connector. Also check if there is voltage at the green/yellow wire.

Hope helps.
3helpful
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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.
1helpful
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Engine light on 2002 Explorer. engine code P1400

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.
2helpful
1answer

Check engine light on a 1997 nissan altima

gadiame: The code P1400 is for the EGR valve and Evap canister purge control solenoid valve circuit.
An improper voltage signal is being sent to the ECM through the solenoid valve.
As far as whether the engine using a timing belt or gear? You mean chain? This engine uses a timing chain.
If I can answer any other questions, write me.
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