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Where is the EGR valve

Troubleshooting P1404

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BuzzFlewhart
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SOURCE: troubleshooting p0446 and p1404

P1404 is a common problem on GM cars and trucks. You might have some luck cleaning it (carbon deposits). Use carb/choke cleaner but be careful where you spray it. Once you clean it, you will need to erase the error code. You can try one of the Auto Parts stores that will 'lend' you a scan tool. Another trick is before you clear the code(s) and after you have cleaned the EGR, unplug the connector to the EGR valve. Clear the codes, turn the ignition switch OFF immediately after you clear the codes. Reconnect the EGR connector, remove the Scan Tool and start it up. By turning the key off immediately, it resets the pintle position of the EGR valve. Otherwise it 'remembers' the old position and you will get the error code back. Worth a try before you invest in a new EGR valve...

Posted on Nov 20, 2009

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1 Answer

What is code P1404 on a Chrysler?


Possible causes
- Faulty Exhaust Gas Recirculation (EGR) valve
- Faulty Exhaust Gas Recirculation (EGR) valve solenoid
- Exhaust Gas Recirculation (EGR) valve carbon blockage

Sep 05, 2014 | Cars & Trucks

1 Answer

Where is the EGR valve


Between the throttle body and the firewall, it is a valve with a connector plug on top about 4 inches long
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Mar 26, 2014 | 2000 Pontiac Montana

1 Answer

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

I am getting a light with code P1404 EGR on Ram


I would clean out the EGR valve and reset the fault code, if the valve is coked up it can stick and cause your problem

Jun 06, 2010 | 2006 Dodge Ram 1500

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

2006 Ram Hemi 1500 P1404 Code


P1404 is the EGR Pintle Position (system) and the fault
description is "Circuit Fault".
in reality, the best thing is to take the whole intake off and do a good house cleaning,since all the passage ways(i.e. vacuum routes, etc.)gets plugged.
the pintle gets stuck by all the **** inside the manifold, usually having the engine running too rich.
the original culprit is(most of the time) the faulty engine coolant temp sensor.
with that going bad, is usually downhill for performance and everything wise ...lol
now.i think I've exhausted the subject for all the peps...lmao..

Feb 09, 2009 | 2004 Dodge Ram 1500

1 Answer

Service engine light comes on


This GM's definition of this code:
P1404 - Exhaust Gas Recirculation (EGR) Closed Position Performance
The most common reasons are either the EGR valve position sensor is defective, or the EGR valve is not fully closed due to carbon.

Dec 23, 2008 | 2001 Pontiac Grand Am SE

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