Question about 2001 Chrysler Concorde

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Po404 check engine code - 2001 Chrysler Concorde

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Code 404 is a problem with the EGR position sensor.
The valve and sensor would need to be tested.

Posted on Jan 18, 2013

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1 Answer

Fault code po403/po404


the 403 is a circuit which can be a wiring , sensor or egr connection os faulty
http://www.obd-codes.com/p0403 http://www.obd-codes.com/p0404

Jul 19, 2016 | Cars & Trucks

1 Answer

Had code po404 so changed the sensor, now code po406 is showing up and car idles extremely high. What is causing this and how to I fix it?


Opp's

OBD Codes have nothing to do with changing parts

Codes are Parameters that are out of range

You check for codes & use them to diagnose the
system that set them & component test to find a problem

So--- Google your codes & read up

TYPE: OBD PO404
OBD PO406

Your going to need a shop to find the issue

Nov 05, 2014 | 1999 Chrysler LHS

1 Answer

What do all these codes mean PO135-PO300-PO404-PO102-PO440


po135 is o2 sencer on drivers side. will be the first one. po300 is random/multiple misfire.po404 is a egr code. po102 mass air flow circuit low input. po440 evap emission control system malfunction

Dec 23, 2012 | Cars & Trucks

1 Answer

What will be wrong if I got code p0406 and p 404


both codes po406 and po404 refer to a fault in the EGR system
Po404 > Exhaust Gas Recirculation Circuit Range/Performance not within proper range.
Po406> Exhaust Gas Recirculation Sensor A Circuit High (meaning the circuit is open or disconnected)
Without actualy checking the voltages (wiring)
Replace the EGR valve
clear codes
test drive

Sep 07, 2010 | 2005 Dodge Caravan

1 Answer

Engine light came on and used my scanner and it came up with the code number of PO404.


po404 is telling the computer that the egr pintle is openwhen it shouldnt be, this sounds like a bad egr valve or carbon is holding it open, remove the valve and check for carbon, this is common on the 4.3 engine, if its carbon then run and rev engine with valve off, then reinstall valve and replace the gasket with an aftermarket gasket that was made for this problem, the new gasket has a screen to stop carbon from going into valve, here a picture of it.hope this is helpful.ab6f9e9.jpg974a1ec.jpg

Jun 14, 2010 | 1999 Chevrolet Astro

2 Answers

What is code po404?


Definition Exhaust Gas Recirculation "A" Control Circuit Range/Performance

Mar 10, 2010 | 2000 Chevrolet Impala

2 Answers

Check engine light on, 1997 cadillac Deville.PCM codes


PO135 is oxygen sensor Bank1 sensor1. PO404 is EGR.
personally, I'd pull EGR off, clean pintle good with throttle body cleaner or carb cleaner, re-install, erase codes & try it for a while & see if it code(s) come back.

May 07, 2009 | 1997 Cadillac DeVille

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