Question about 2001 Honda Odyssey

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I have honda odassy 2001 having engine and TCL light on, been dignosed by michenic by 1401 code and clean EGR valve too, still engine and TCL light is on. what to do ?

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TRY CLEANING EGR INTAKE OR EXHAUST MANIFOLD PASSAGES.BECAUSE PASSAGES IS RESTRICTED WITH CARBON BUILD UP.IF PASSAGES NOT RESTRICTED.PROBLEM COULD BE WIRING OR ELECTRICAL OR VACUUM NOT GETTING TO EGR VALVE.OR THE PCM IS FAULTY.

Posted on Feb 17, 2011

  • Jonah Oneal Feb 17, 2011

    YOU NEED TO TAKE CODE SCANNER ERASE TROUBLE CODE FIRST.IF CODE POP BACK UP THEN DO THE PROCEDURE ABOVE.

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1 Answer

03 honda civic 1.7L p0401 EGR code.


In fixing this code, it is quite common for people to just replace the EGR valve only to have the OBD code return. The EGR valve is not always the culprit. Use a vacuum pump and pull the EGR valve open while monitoring engine RPM's & DPFE voltage. There should be a noticable difference in RPM's with the EGR open Clean out the EGR valve and/or tubing to remove deposits Check the voltage at the DPFE, compare to specified values (refer to a repair manual for your specific model) Replace the DPFE sensor (with a good quality / OEM one)

Read more at: https://www.obd-codes.com/p0401
Copyright OBD-Codes.com

Sep 19, 2016 | 2003 Honda Civic

1 Answer

How to fix problem code P1401


Code 1401 is for a problem with the EGR pressure sensor.
You need to find out if the EGR valve is working or not.

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Replaced plugs and wires 2002 ford explorer idles good even in drive or reverese tranmission sputters while driving at low rpms or in overdrive po code 1401 has been on since 42k now 108k


code 1401 means your dpfe or delta pressure feedback to your egr valve is defective and needs to be replaced. I would suggest you clean or replace your egr valve as well with throttle body cleaner. A defective dpfe can cause your vehicle to run lean and when near failure is certain, it will cause your vehicle to stumble.

Jan 26, 2011 | Ford Explorer Cars & Trucks

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Code 1401 dpfe


See CHILTONS auto repair guide books, they should have the codes defined in there -- located at your local library - - you may want to call ahead to confirm your year, make model vehicle is included in their books and available (ie not stolen or out).

Best regards
Ck

Jan 05, 2011 | 2001 Ford Crown Victoria

1 Answer

I have codes po403 &po406 on a 2005 sebring conv.and cannot put out light. i cannot find a e g r valve on it .the car has a 2.7 engine.have change computer


egr is at the rear of the engine. The light isnt going to go out until the problem is fixed. I would check the egr solenoid first. A scanne,r wiring diagram, and tools are needed to dignose this properly.

Aug 31, 2010 | 2005 Chrysler Sebring Conv

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My check engine light and TCS light came on. Code


P0401: Isufficient Flow Detected in EGR system.
-clean the EGR port with the carburetor cleaner.
-clean the EGR passage inside the EGR valve with the caburetor cleaner.
Reset the light, if the light still coming back, then replace the EGR valve.

Apr 26, 2010 | 2000 Honda Accord

2 Answers

2001 Honda Odyssey with a TCS and check Engin light on


you should have the codes pulled but its prob gonna be an EGR code. when the vehicle has an egr problem it will have decreased power that will cause the tcs light to come on due to the system being shut off by the check engine light code. prob just needs a new egr valve and the light cleared.

Mar 12, 2010 | 2001 Honda Odyssey

1 Answer

I have a 2000 Honda Accord V-6 that had an engine light on code


check egr ports may be filled with **** or egr might be full of **** and need clean

Jan 08, 2010 | 2000 Honda Accord

2 Answers

Check engine light comes on and off, auto zone test read back EGR flow insufficient/manufact.specif.DTC/see service manual.what does any of that mean?HONDA ACCORD 4CYL.2001


The EGR valve helps your car more efficiently and completely burn fuel by recirculating a portion of your exhaust and running it through the combustion process again. When the EGR valve goes bad, it must be replaced.

The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. This exhaust mixes with the intake air and actually cools the combustion process. Cooler is always better inside your engine. The exhaust your EGR valve recirculates also prevents the formation of Nitrogen related gases. These are referred to as NOX emissions, and are a common cause for failing emissions testing. Unfortunately, your EGR valve can get stuck, causing NOX gases to build up. You'll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like rough idle and bucking on acceleration.

Here is a picture of where the EGR Valve is located (Accord 1999). Replacing it is fairly simple and straightforward. A vacuum line and a couple of bolts. You'll see what you have to do when you look at it.

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If you are replacing the EGR Valve due to the Check Engine Light (MIL) being on with a DTC P0401 then I suggest contacting your Honda Dealer. There was a Product Update Campaign (PUD) in the fall of 1999 that corrected the problem.

Another times, the clean is the solution...I hope help yoiu with this. Good luck, and remember rated this help.

Sep 03, 2009 | 2001 Honda Accord

2 Answers

Tcs light and engine check light on my 2000 honda odyssey


I had the same code/symptoms a few weeks ago. Dealer did a nice job checking through all the details. Replaced the egr too, but no improvement. Finally found one cylinder not firing correctly (not the same pressure as the other cylinders.) Dealer did a value clean/adjustment, for about $250, and the problem has been gone for about a month now. We are also getting about 15% better mileage.

Hope this helps.

Aug 03, 2009 | 2001 Honda Odyssey

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