Question about 2000 Nissan Maxima

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Code 0400 on 2000 maxima, says EGR valve, can it be cleaned or do i need to replace to get check engine light off?

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It can be cleaned but if you take it to a shop they will say they want to replace it with a new one. do your research on your local shops to be sure they will clean it.

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

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pal03246
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SOURCE: 2000 Nissan Maxima dipping RPM's and no acceleration

No problems with EGR valves/system on this model car. Its located under the throttle body. Your valve is electronically controled by the ECM/Computer. Pretty bullet proof setup. What is the actual code number that autozone gave you?? Let me know the code number and will take it from there.

Posted on Feb 19, 2009

SUL827
  • 93 Answers

SOURCE: P0440 Evaporative Emission Control

You need a charcoal canister and vent control valve.

You also need the EGR solenoid valve (I think it the brown one).

Valve is located in the valley of the V, towards the transmission side of engine.

Do these 1st and reset light. You may have other issues but you have to start here.

Posted on Sep 16, 2008

emissionwiz
  • 76109 Answers

SOURCE: Check Engine Light 1996 Nissan Maxima

The best way is to use a scan tool to clear the codes, that will turn off the light, also disconnecting the battery over night may work, but no completely sure about that, it varies from year to year.

Posted on Sep 23, 2008

FoRdMaStEr
  • 51 Answers

SOURCE: no vacuum to egr valve

there is an EGR vacuum solenoid somwhere that controls on/off vacuum to actuate the valve. i am not to sure of the location, but follow the vacuum line back from the egr until you find a device that looks like an electrical check valve for vacuum. that is a possibilty. but then again i am a ford,chrysler guy and am just giving you an answer based on my understanding of the functuality of a vacuum egr system

Posted on Jan 15, 2009

Molson02536
  • 3854 Answers

SOURCE: How do I replace an egr valve on my 2000 Nissan

When you pop open the hood, look at the side of the engine on your right (driver's side). Underneath all the air intake duct that connects to your air filter is the EGR valve. It may  have a grey plastic top with an electrical connector attached to it (this top is about an inch and a half to two inches in diameter), a middle section below this that is made from a silvery metal with two rubber hoses plugged into it, and below this a bottom section with a metal pipe maybe three quarters of an inch in diameter connected to it. The metal pipe curves around and goes back behind the engine. There are two bolts that the valve is mounted on. To remove the valve, first you have to get a bunch of hoses and stuff out of the way to expose it, then disconnect the hoses and electrical connector from the valve, then disconnect the metal pipe connected to the base, then remove the two nuts on the two bolts. There is a gasket between the EGR valve and the engine which you will have to replace. It cost less than two dollars, good luck and hope this helps. WHen installing just do everything on revers. If you not sure if you can recall how the hoses goes back, take picture with your cell phone as reference. 

Posted on Jul 05, 2009

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2 Answers

Where is the egr valve on the V-6 Engine?


Not easy to see, but on drivers side of engine underneath intake manifold, so look for airflow intake tube, the larger air tube, and it is just below and to the firewall about middle of engine top to bottom. Hose comes out of it and two bolts hold it in, pretty easy to see once you know where it is located, but difficult to change. Sometimes just cleaning hose out will solve problem. Worth a try to buy EGR cleaner and spray and run a wire inside hose to loosen up carbon.
CERACOAT-NANOTECH.com

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Here is a list of possible causes. Some things you have already done.

EGR solenoid valve harness is open or shorted
- EGR solenoid valve circuit poor electrical connection
- EGR volume control valve stuck closed
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I suggest you replace the EGR valve position sensor.

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Are you sure you have EGR flow?? Hold the EGR valve open the engine should run poorly, if not you have no flow.

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How to clean a egr valve from a 2000 mitsubishi montero. I replace the egr valve, but still engine ligth code 403 still on.


Your new EGR valve (assuming it wasn't defective out of the box), is fine, but the car's computer just needs to have its code 403 cleared. Even though you've corrected the problem, the computer will still light the "Check Engine" light, and store code 403 until the code is cleared using an OBD-II (On-Board Diagnostics 2) code scanner.
Note that the car will function perfectly with its new EGR valve, a lit "Check Engine" light and a code 403 stored. Its just a good idea to clear the code, so that then only NEW problems will become the reason that the "Check Engine" light gets lit.

Jul 23, 2011 | 2000 Mitsubishi Montero Sport

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Clogged EGR valve may need to be replaced or cleaned.

May 02, 2009 | 1999 Nissan Maxima

2 Answers

2000 Nissan Maxima dipping RPM's and no acceleration


No problems with EGR valves/system on this model car. Its located under the throttle body. Your valve is electronically controled by the ECM/Computer. Pretty bullet proof setup. What is the actual code number that autozone gave you?? Let me know the code number and will take it from there.

Feb 14, 2009 | 2000 Nissan Maxima

1 Answer

1997 Maxima Engine Light Code Sequence?


Its not the EGR tube that's clogged. Its the intake itself, where EGR bolts to it. There is about a 1/2 inch hole that cloggs and needs to be cleaned out.

Oct 01, 2008 | 1997 Nissan Maxima

1 Answer

EGR question on 1995 maxima 3.0l v-6


you don't have to pull off the intake manifold. take the egr off and clean the port is all. then the code has to be cleared.the egr is on the right side of intake(closest to the firewall. you can use a small wire brush or old toothbrush to do this. also check the wires and plug and if you egr valve has a vaccum line make sure it's not plugged loose or missing. use a lil bit of carb cleaner to clean port. replace egr and clear the code a scan tool will clear this code. please rate this thanks

Aug 31, 2008 | 1995 Nissan Maxima

2 Answers

P0440 Evaporative Emission Control System Malfunction P0446 Evaporative Emission Control System Vent Control Circuit Malfunction P1400 EGRC Solenoid Valve My car won't pass inspection because of...


You need a charcoal canister and vent control valve.

You also need the EGR solenoid valve (I think it the brown one).

Valve is located in the valley of the V, towards the transmission side of engine.

Do these 1st and reset light. You may have other issues but you have to start here.

Aug 02, 2008 | Nissan Maxima Cars & Trucks

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