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Hyundai Elantra diesel P0403 code comes up saying problem with EGR engine management light light comes on, I have changed the EGR VALVE AND THE Electronic valve,What can be the reason for the light to

I have a HYUNDAI Elantra 2005 Diesel with the engine management on,The code for this is P0403 which in tail means Either EGR valve or Electronic Valve, I changed both and its still on,why?P.S the car has only done 38,000 miles.

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Posted on Jan 02, 2017

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SOURCE: 2005 Golf TDI Diesel - EGR "Emissions workshop" fault light

Hi, The EGR valve itself is on a set of flexible pipework - usually stainless steel - which runs between the inlet manifold and the exhaust manifold. The EGR actuator valve is pneumatically / vacuum operated by a solenoid valve, controlled by the ECU ( aka the brane). It's not usual for the EGR valve itself to fail, more likely the solenoid valve or its electrical connector getting dirty. If you google for VAG TDI N75 valve you should get all the info you could possibly ever need :-)

Hope this helps, D.

Posted on Jul 16, 2008

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SOURCE: 2002 Volkswagen Beetle Diesel

I don't think that's the EGR valve that the shop is talking about for that kind of dollar figure. More likely the injectors or injector pump....accordianman

Posted on Jul 29, 2008

468 Chevelle
  • 81 Answers

SOURCE: Service engine code indicates EGR valve.

You could have a restriction in the egr ports. remove the valve. Plug the holes, start engine. 1 hole will be blowing out exhaust, the other will have large vacuum.

Posted on Mar 28, 2009

  • 323 Answers

SOURCE: EGR Location

On the left side at the rear of the engine, and it isn't fun to change.

Posted on May 29, 2009

  • 8 Answers

SOURCE: Need a pic veiw of 2004 ford f350 6.0L diesel EGR

1st of all when Ford started out with putting "EGR's" on those diesel engines, they rushed it and are nothing less than a pain in the ***! i recommend having an EGR cleaning service performed by your local Ford dealer, i know they charge up the wazoo, but they're the best people to perform the service period.this is a VERY common problem with those engines and that service is "supposed" to be performed every 30K I believe. i dont recommend attempting to remove and service it youself, this WILL only make it worse.

Posted on Mar 26, 2010

Testimonial: "Im relieved to here that someone else is thinking the same thing. Im still going to try it myself as i am somewhat skilled at this but Thanks a bunch!"

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2 Answers

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

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

Get code P0403 on 2001 Dodge Caravan...even after I just replaced the EGR valve twice (first replaced as thought might be faulty).....it cleared a few other codes related to EGR flow, but the P0403 ke


if you have a obd11 scanner, clear the codes and drive the vehicule for a while ,a good half an hour or so above 30 mph. this will give your onboard computer a chance to relearn system settings.if the code comes back there could be some other sensor malfunctioning or a problem with the onboard computer.ex corroded connections or broken pins.

Nov 26, 2011 | 2001 Dodge Caravan

1 Answer

Engine light is on code reads p0403 egr valve cleaned light is now it back on any ideas please..


do you have stalling or misfire or rough idling problem? if yes probably egr valve stuck open. or just socket for egr valve is problematic. check for broken wires too.

Nov 16, 2011 | 1995 Geo Prizm

1 Answer

What does "EGR Error" OBD11 code 01 2D mean for a


You have to change the EGR valve. (exhaust gas recirculating valve) It's giving wrong parameters to the ECU.

Jul 05, 2011 | 2011 Hyundai Equus

1 Answer

What does the code p0403 and p1784 mean and what do i need to do to fix it


P0403 - Exhaust Gas Recirculation Circuit Malfunction

Causes for DTC P0403:
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Solutions for DTC P0403:
- Repair EGR harness or connector
- Replace EGR volume control solenoid valve
- Replace EGR volume control valve


P1784 - Transmission Mechanical Failure (First and Reverse)

Causes for DTC P1784:
- Not waiting to allow transmission to engage gear before accelerating.
- Dirty fluid / clogged transmission filter

Solutions for DTC P1784:
- Allow gears to engage before acceleration
- Preform transmission service (flush & filter)

Mar 09, 2011 | Chrysler Town and Country Cars & Trucks

1 Answer

The check engine light is on, the EGR valve has been replaced, code P0401 appears on diagnostic. The engine is 4 cyl DOHC 2 wd. slight exhaust odor at times in vehicle.


Are you reset the stored codes there? The EGR (Exhaust Gas Recirculation) valve controls an engine's emission of smog-causing nitrous oxides, or NOx. Its job is to route a portion of the exhaust gases back into the intake manifold. That lowers combustion temperature to below 2,500 degrees Fahrenheit - the temperature at which NOx gases form.

EGR flow is controlled by the engine's computer, which opens or closes the valve as needed. The EGR system is, for the most part, in the "out of sight, out of mind" category, and typical doesn't require regular maintenance. But if it gets clogged with carbon deposits, you'll see your "check engine" light come on, and a code (perhaps P0401 or P0402 or P0403) will show that there is insufficient flow. That typically results from a vehicle being driven persistently on short trips that don't allow the engine to fully warm up. Flow problems also can be caused by carbon buildup due to failure to change the oil frequently enough.

A clogged EGR valve not only results in higher emissions, it can affect fuel economy and cause rough idling - even serious engine damage. Valves can usually be cleaned, but replacement is often recommended.

About thie generic fault code, I suggtes check this description and tips for solution information: DTC-P0401-Tests (keep in midn that this code applied for alot brands, Hyundai included).

Keep us updated.

Feb 09, 2011 | 2003 Hyundai Santa Fe

3 Answers

P0403 engine code is on


here is a good explanation:

http://www.obd-codes.com/p0403

Dec 24, 2010 | 2006 Dodge Grand Caravan

1 Answer

I have a Hyundai Elantra 2004 sedan. 75,000


Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on.
You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE the problem and perhaps eventually fix the problem.

Aug 10, 2009 | Hyundai Elantra Cars & Trucks

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