Question about 2003 Pontiac Bonneville

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Was told the EGR valve has gone bad, what is this and how's it fixed?

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  • Master
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It is an Exhaust Gas recirculation valve. I sends controlled amounts of exhaust gas, back into the engine, to be re-burned. To replace it is simple, two screws, one electrical plug, pull it out and so on. But the right way to repair it is to hook the car up to a diagnostic scan-tool, look at data, run functional tests, run component tests on the valve, and physically inspect the valve for defects.

Posted on Nov 12, 2009

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  • Master
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Egr = exhaust gas recirculation valve. if the valve itself has gone bad, you replace the whole thing

Posted on Nov 12, 2009

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Posted on Jan 02, 2017

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SOURCE: egr valve gone

go to this link:

http://www.lxforums.com/board/showthread.php?t=123850

Once there, scroll down about halfway to see a detailed diagram.

Posted on Jun 07, 2009

polarcycle
  • 1392 Answers

SOURCE: service engine light due to egr valve

Replace the egr valve and solenoid if it is the mitsubishi motor, if it is the Dodge motor, then it comes as an assembly.

Posted on Jun 13, 2009

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SOURCE: 2000 chevy tracker egr gone bad what are opitons to fix

usually egr sensor goes bad sometimes tube best to use new parts old ones may not work andwork short time

Posted on Jul 06, 2009

  • 2841 Answers

SOURCE: bad egr valve

You can try cleaning it. Go to your local parts store and buy a can of brake cleaner. Remove the EGR valve and spray it into the valve and let it set 8 hours. Pour out the cleaner and clean the carbon off with a wire brush. Reinstall the valve and see if that helps. If not, you will have to buy a new one and it will not cost $316 if you DIY.

Posted on Oct 18, 2009

moparownr
  • 667 Answers

SOURCE: 1999 FORD EXPEDITION 2WD 4.6L EGR VALVE,EGR

Remove the throttle body housing on the top of the intake, it is a 90 degree tunnel like small piece held by 4 small bolts, turn it over and look for two holes, these holes are for the EGR valve flow, they are probably plugged up with carboned crud, clean them out with the tip of a screwdriver if neccessary to remove all the crud, once its clean reinstall it and reset your check engine light, hope this helps, let me know

Posted on Dec 04, 2009

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1 Answer

Just had my egr valve replaced in my 2004 dodge ram 1500 in late sept . Why would it be going bad already? Just had to replace the battery and rear brakes last Friday. Was told then I had to go to have...


Well first off, if your egr valve was replaced and assuming you live in the US, the component carries a mandatory 5year warranty because its an emission control device. Secondly, very often overlooked is the egr passages themselves. They re-circulate exhaust. They also re-circulate soot. This byproduct combined with oil residue from the pcv system WILL block some of the egr passages preventing the valve from performing correctly. Easy fix, done usually with a pipe cleaning device, or coat hanger. In extreme situations when the vehicle has high mileage, the intake manifold has to be removed and de-sooted/de-carbed to fix this problem.

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Went to have my 97 skylark smoged and was was told my check engine light was not working. Tech said it has something to do with code p1406. Any suggestions?


Code p1406 is an EGR code but that has nothing to do with the light not working. Some one has probably taken the bulb out instead of fixing the EGR valve problem. You could just have a bad EGR valve or the ports under the EGR valve could be plugged with carbon . You need to remove the EGR valve to pinpoint the exhaust gas curcuit problem.

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I would highly suspect the "EGR backpressure sensor"
From experience and many conversations, a clooged EGR valve is almost unheard of these day. Get to an auto part store, were they can tell you what problem code(s) your car is getting, and possible good advice.
Sincerely, another 2001 Taurus owner.

Sep 20, 2010 | 2001 Ford Taurus

1 Answer

2000 chevy tracker egr gone bad what are opitons to fix


usually egr sensor goes bad sometimes tube best to use new parts old ones may not work andwork short time

Jul 06, 2009 | 2000 Chevrolet Tracker

1 Answer

How to remove egr valve on 1997 lincoln towncar


The EGR valve can be replaced by using a pipe wrench, or a standard wrench to remove the fitting over the pipe going into the EGR valve... it's not too hard to replace, I've done it on mine myself... I have a 97 town car as well... the only problem is that my EGR valve was fine, but the computer told me it was bad... But I found out that the EGR sensor was bad, not the valve... now to replace the EGR sensor you need to remove the engine... FORD in their infinite wisdom decided to put the EGR sensor on the rear of the engine, half way down next to the firewall...

My mechanic said that as long as the car is running fine, I souldnt worry about the EGR sensor, its job is to tell me when the EGR valve is bad...

Hope this helps

Jun 27, 2009 | 1997 Lincoln Town Car

2 Answers

Engine Light On - 2006 Chrysler 300 3.5 engine


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