Question about 2004 Pontiac Grand Am

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I have 4 codes: 1- p0401 2- p0401 Pd 3- p0403 4- p0405 what do I have to do to get rid of these codes. what are these and where are they located on a 2004 grand am Thx

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P0401
Exhaust gas recirculation-insufficient flow detected
p0403
Exhaust gas recirculation-circuit malfunction
p0405
Exhaust gas recirculation vave position sensor A- circuit low

hope this helps. not sure where they are located

Posted on Aug 27, 2010

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Posted on Jan 02, 2017

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PO403 WHAT IS PCM


First, that code is P0403 and it is related to the EGR valve, the PCM is the power control module and it is another term that is used for the computer in the engine. BUT you did not post the year make and model so that is all that we can say about that.

Aug 31, 2017 | Cars & Trucks

1 Answer

Hello I have a huyandai Tucson 2005 Today I check with device it sayes P0403 EGR . What is this . How can I arrange that. It's important or not . Can I drive without arrange that.


P0403 - OBD-II Trouble Code - RepairPal

repairpal.com > Encyclopedia > Exhaust & Emissions
Definition of error code P0403 - Exhaust Gas Recirculation Circuit Malfunction. ... TheEGR OBD-II monitor deploys a set of test criteria that are usually run ... Problem, a Plugged or Restricted System, or a Defective Feedback Device ... Nissan ' Volkswagen ' Chrysler ' Lexus ' Mercury ' Cadillac ' Hyundai ' Buick ' Volvo ' AudiMissing: tucson ‎sayes

OBD-II Trouble Code: P0403 Exhaust Gas Recirculation ...

www.obd-codes.com/p0403
Causes. The causes for a P0403 EGR code could be any of the following: ... If the solenoid does operate, you'll have to check current draw on the ground circuit.Missing: huyandai ‎tucson ‎device ‎sayes

Egr P0403 Fault Code Help - Hyundai Forums : Hyundai Forum

www.hyundai-forums.com/...xg.../102478-egr-p0403-fault-code-help.ht...

Dec 12, 2015 | Cars & Trucks

1 Answer

What does service traction control mean


I had this alarm on my 2008 Equinox. I did not have it code scanned, but I found on the internet that a code P0403 or P0405 could suggest a faulty EGR .
I took a chance and replaced it for about $80 bucks and 30 mins. time and it corrected my problem so far.
I think Autozone will run a code scan on your SUV for free and they might suggest something else.

Jun 07, 2014 | Chevrolet Equinox Cars & Trucks

1 Answer

OBD-11 codes 0403 & 0405


code p0403 refers to EGR --circuit malfunction===causes ---wiring--EGR solenoid---ECM
code p0405 refers to EGR valve position sensor A --low input===causes ---wiring ---short to ground---EGRF valve position sensor--- ECM.
By only changing the EGR valve you have not fixed the problems that cause the valve not to work.

Dec 22, 2013 | 2001 Chevrolet Lumina

1 Answer

I have a 1997 olds achieva with codes p0404 and p0405. i have replaced the egr valve with no change in codes.


when codes are set it does not mean a part is defect ,there is wires connect to it. EGR solenoid are 3 solenoid with 3 holes one 1/7orifice: second is 2/7 third 4/7 pcm command those solenoid to obtain the right amount of exhaust but P0404 said performance is bad and P0405 said circuit A is low or 0volt . pull wire one by one see if it bounce mean wire is cut inside

Sep 14, 2013 | Oldsmobile Cars & Trucks

1 Answer

I have a 2000 buick regal LS with the 3800 series II engine. My service engine soon light came on and it was coded with a bad egr valve. The car was jerking whenever i went up a hill or tried to pass...


What code ? are a few different ones for EGR valve > Low & high circuit voltage , testing circuits , PCM testing etc.... no code tells you to replace the EGR valve without testing . Your best bet , take it to a qualified repair shop.
DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient
DTC P0403 Exhaust Gas Recirculation (EGR) Solenoid Control Circuit
DTC P0404 Exhaust Gas Recirculation (EGR) Open Position Performance
DTC P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage

Feb 12, 2018 | Cars & Trucks

1 Answer

How do i fix code p0403 p0405 and p0134 on 2000 pontiac granprix 3.1 lot v6


CODE PO134 - HO2S 11 BANK 1 SENSOR 1 INSUFFICIENT ACTIVITY CONDITIONS. CODE PO403 - EGR SOLENOID CONTROL CIRCUIT MALFUNCTION. CODE PO405 - EGR POSITION SENSOR CIRCUIT LOW INPUT CONDITIONS. PROBLEM COULD BE THE EGR SOLENOID OR EGR POSITION SENSOR.

Mar 25, 2011 | 2000 Pontiac Grand Prix

1 Answer

1998 Chevy Truck 1/2 ton 350 engine. Trouble codes P0404, P0405 and P1404. I replaced the EGR valve. Now I get t/c P0404 and P0405. Now what should I check?


404 is exhaust gas recirculation circuit, and 405 is exhaust gas recirculation sensor circuit low. EGR sensor or ground?

Nov 13, 2009 | 1999 Chevrolet Silverado 1500

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