Question about 1997 Chevrolet Cavalier

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P1404 stuck open egr valve can it be cleaned 97 chevy cavalier sport 2.2 eng

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Yes cleaning it will work sometimes give it a try.goodluck oh after cleaning it claer the code and drive to c if it worked.

Posted on Mar 24, 2011

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P1404 error


The code is saying the egr pintel valve is stuck open. There are probably carbon deposits around the bottom keeping it from closing properly. Take it off and try cleaning-scrape the deposits off. And check the exhaust passages the valve controls-scrape those clean as best you can. You will see them when you take the egr valve off.

Jan 30, 2014 | Buick Cars & Trucks

1 Answer

I am getting two codes from my 05 equinox it's


    P0404
    EGR Sensor Circuit Range/Performance, Stuck Open, to fix, either clean out or replace it, this should do it. p1404 relates to same problem. replace EGR and you should be ok. dont forget to clear the code when repaired.

    May 01, 2012 | 2005 Chevrolet Equinox

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    P1404 code


    P1404 is EGR valve stuck open. Probably need to replace your electric EGR valve. First, I would remove it and clean the carbon out of it before replacing this expensive part.

    Apr 05, 2012 | 2002 Hyundai Accent

    3 Answers

    I replaced the EGR on my 1999 saturn due to a P1404 code. After driving it for about a week code came back. The idle was not stable, this was the reason why I replaced the EGR. Now the idle is rough at...


    i would remove the egr and just the passage to make sure it is not filled with carbon. common problem. here is some info for you as well.

    Circuit Description
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    The linear EGR system consists of a linear EGR valve, the PCM, and its associated wiring. The EGR valve solenoid is controlled directly by the PCM when certain conditions have been met. The PCM contains a diode feedback circuit which dissipates energy when the valve is cycled OFF. When the PCM commands the EGR valve closed, a closed valve position value is learned. If the PCM commands the valve closed and the actual feedback value does not match the learned values, DTC P1404 will set.
    Conditions for Setting the DTCImportant: When the PCM recognizes that the parameters for setting DTC P1404 have been set, the diagnostic software waits until the EGR cycles open 50 percent or greater 4 times and then resets. If after the 3 cycles the actual vs learned is not within the parameters, the DTC will be stored and the MIL, service engine soon, will be commanded ON.
    Important: When this DTC sets, functions will be disabled. When repairs are complete, codes must be cleared and the ignition keyed OFF for at least 10 seconds to allow proper operation.
    DTC P1404 will set when the actual closed value does not match the learned closed value within 20 seconds if:
    • RPM is below 5,000 and the actual vs learned is greater than 0.2 volts. OR • RPM is above 5,000 and the actual vs learned is greater than 0.4 volts. Diagnostic Aids • Check for backed out or damaged terminals. • Check for a stuck open EGR pintle. Inspect the EGR pintle valve bore for carbon or debris and remove. Verify that the pintle moves freely and the return spring forces the pintle closed. • An open in circuit 452 will result in DTC P1404. • A short to ground is circuit 697 will result in a severe rough idle and driveability complaint and set a DTC P1404. • Compare the learned closed pintle position to the actual closed pintle position with the key ON and the engine OFF. If voltage differs more than 0.15 volts, check for backed out, damaged, poor terminal tightness, or an intermittent open in circuits 416 or 1456.
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    Jul 29, 2011 | 1999 Saturn SL

    1 Answer

    2000 buick lesabre engine code p1404


    P1404 - Exhaust Gas Recirculation (EGR) Closed Position Performance The egr valve is stuck possibly due to carbon buildup. It may be possible to remove the egr valve and clean it with throttle body cleaner or induction cleaner.If the pintle can not be unstuck then the valve egr will probably need replaced.

    Sep 21, 2010 | 2000 Buick LeSabre

    1 Answer

    Chevy Impala 2001 w/ 3.8L engine - EGR stuck open


    there are a couple of things, first make sure there are not restriction in the exhaust, i know the dealer has had to replace converters under warranty because of this problem, then theres a reflesh program for the computer due to this problem, and lastly,run with egr off make sure it clean of carbon,carbon gets stuck in pintle sets check eng lightbut carbon then blows by so when you remove egr you see nothing, well start with these good luck.

    Nov 28, 2009 | 2000 Chevrolet Impala

    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

    2 Answers

    I replaced my egr valve on my 2001 chevy venture 1 1/2 yrs ago,


    I found an answer that worked for me here. (I have a 2001 Chevy Venture.) http://www.fixya.com/cars/t4093012-code_p1404_dodge_ram_1500_meanIn case links are not allowed, here's the text: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.

    Mar 27, 2009 | 2001 Chevrolet Venture

    1 Answer

    DTC Code of a 1404 , and also a IAT High input malfunction


    sounds like the IAT is disconnected, it is either in the flex hose from the air cleaner to the engine or in the air filter housing, on my GM product car it is in the air intake hose, it is small and has a 2 wire connector to it, just pushes and pulls in and out of the flexible air intake hose.

    Mar 13, 2009 | 1997 Chevrolet Cavalier

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