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P1404 Hi guys any solutions for that?p1404

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We are showing a code P1404 - Exhaust Gas Recirculation (EGR) Closed Position Performance. What does this mean and how do we get it fix?


The EGR on the Ram frequently stick in the partially open position. The dealer stocks them so you know that they aren't fault proof. I did have luck soaking one in a decarboning solvent for a few hours on the bench. The guy never came back (could be a bad thing i suppose). I think it workied out for him however I've changed a few.

Good Luck

Aug 06, 2011 | 2007 Dodge Ram Truck

1 Answer

I have a 2003 hyndi accent it has a p1404 code what is it


Hi, P1404 means you are having a problem with the auxillary emission control....

Sep 19, 2010 | 2003 Hyundai Accent

1 Answer

What is trouble codes present: p1404


a professional chilton or motor manual would have the code translations. some code readers will translate codes automatically.

Apr 25, 2010 | 1998 Saturn SL

2 Answers

What is this code P1404 on the dodge ram 1500 mean


That code is the EGR. I'd start by checking for a bad connection on the EGR plug-in. Pull the connector off and inspect each individual terminal inside the plug and the connector pins inside the EGR valve.
I found this solution at another forum on this issue. It worked on my 2001 Grand Am:

"Many GM built cars have a tendency to have the 'Check Engine Soon' light come on as a result of DTC code P1404. P1404 is described as EGR valve pintle stuck open, which in most cases is a false alarm. I had this happen with my '01 Grand Am. A little bit surfing on internet reveals that GM has a solution for the problem, a re-flash for the car's computer.

A software re-flash as a fix kind of indicates that the vehicles with this problem were built with it but I don't think GM will be re-flashing cars outside warranty for free. They will want their $100 for it.

Some hands on people I found had purchased a new EGR valve and changed it but the problem remained.

Possible reason (very likely) for the false P1404 code is that the plastic piston of the EGR valve position instrument (LVDT?) wears over time and starts reading a different position at valve closed than what it was when the EGR valve was first installed.

When the car was built and the computer circuits energized for the first time the computer learned the EGR valve closed position signal from the valve position instrument that is built on top of the valve itself. Over time, when the instrument wears, a slightly different signal is sent to the computer and when it differs enough from the 'Valve Closed Signal', that the computer had learned, the trouble code P1404 is set and the 'Service Engine Soon' light comes on.

Replacing the EGR valve with a new one does not necessarily fix this problem because the 'Valve Closed Signal' between valves is slightly different and it is just pure luck if your new valve would give a 'Valve Closed Signal' close enough to your original valve's signal not to set the trouble code. This is why the new EGR valve 'Valve Closed Signal' must be re-learned by the computer.

So, what this all means is that if the P1404 is a false code meaning that the valve pintle is not stuck open, then new 'Valve Closed Signal' can be re-learned by the computer using the old valve.

For fixing this problem the tool you need to have is a simple OBD II code scanner that can be used to erase trouble codes. There are many scanners of different price range on the market. I purchased one from AutoZone for about $90.

A code scanner is a very handy tool to have and I recommend everybody who is just slightly hands on type of a person to get one. It will end up saving a lot of money over time.

The fix goes like this:

1. Disconnect the wire harness from the EGR valve.

2. Turn key ON and erase the trouble code(s) from the car's computer AND TURN KEY OFF IMMEDIATELY WHEN THE SCANNER SAYS CODES HAVE BEEN ERASED. DO NOT TURN KEY ON BEFORE YOU RE-CONNECT EGR WIRE HARNESS.

3. Re-connect EGR wire harness and your problem should be fixed.

I learned this fix from OBDII.COM where carfixer and kozloski discussed it and I think kozloski was the one who provided the solution, so thanks to them.

There was also other people stating that this fix really works. Now I have joined this group of people as I got mine fixed using this trick also.

I believe erasing codes with wire harness disconnected and turning the key OFF right after P1404 code has been erased re-sets the 'Valve Close Position' reading in the computer and triggers computer to re-learn position next time the key is turned ON.

If you don't have an OBD II scanner and don't want to buy one some car part stores may erase the code for free, but if you have it done there you must tell them about turning the key OFF at the right moment. Other wise the re-learn process does not take place.

Feb 10, 2010 | 2000 Dodge Ram 1500 Truck

1 Answer

Check engine light on, loss of power and sputtering


I'd bet the EGR valve is stuck... Go to your local Auto Parts store and see if they have a Scan Tool to check the error code. EGR code is P1404. You MIGHT be able to get by cleaning the carbon out of it. New EGR's are about $125. They are fairly easy to change (2 - 13mm bolts and unhook the connector). The guys at O'Reily's are usually helpful
Good Luck.

Nov 19, 2009 | 1995 Oldsmobile Aurora

1 Answer

Fault codes p0420 and p1404 on 1998 pontiac grand prix - solution


the po420 is catalyst system efficiency below threshold (bank 1)

the p1404 is a mfg specific code. egr valve stuck open or circuit performance

if this car is mostly city driving you might be able to clean up the egr valve and it might clear up the codes

Nov 01, 2009 | 1998 Pontiac Grand Prix

1 Answer

Service engine light on P1404


EGR valve pintle stuck open, which in most cases is a false alarm. But as a precaution just replace the EGR valve

Oct 02, 2009 | 2000 Oldsmobile Silhouette

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