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How do I reset the service engine soon light on 99 chevy lumina after replacement of the egr valve?

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Pull the ecm fuse for a minute

Posted on Aug 26, 2010

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1998 Ford Escort - P1405 Error code


Follow the link for help with this fault code P1405 Ford DPF EGR Sensor Circuit High Voltage Detected

I suggest you replace the EGR valve position sensor.

Mar 10, 2017 | 1998 Ford Escort

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Ford Escort P1405 Error Code


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

May 31, 2012 | 1998 Ford Escort

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I have a 1997 chevy lumina. i had 2 coded before, po420 and po401. i changed the egr valve, and now the po420 is gone. i just replaced the egr tube, cleared the codes, and now the po401 is back. car sounds...


Well, the po401 is saying is that the egr valve has restricted flow. After changing the egr and the tube, something else is causing the restriction. a more thorough diagnosis is recommended. The po420 code sounds like a possible catalyst failure or an o2 sensor failure.

Oct 16, 2010 | 1997 Chevrolet Lumina

1 Answer

1998 Chevy Lumina has check Engine light on and code says egr valve which has been replaced now what


Check engine lights sometimes do not go off right away. To reset the check engine light, disconnect your battery, turn the lights on, on your car ( to drain any power left in the computer systems), reconnect the battery and the light should be off. If it comes back on, the EGR valve was not installed properly.

Jul 01, 2010 | 1998 Chevrolet Lumina

2 Answers

Service engine soon light on, obd says egr valve


You should be fine. Usually what happens is when such a part causes the light to go on, the light will continue to come on again a few time after replacement of the part.

Simply disconnect the battery and let it sit for about 1minute (oat least 30 sec). Then reconnect the battery.

Drive the vehicle and if the light still comes one, take it to an auto parts dealer that can do a diagnostics test and ask them to clear the codes.

Even after this the light may come on - drive for about a week more and if it still stays on, then have the test done again and replace any other part that any codes may present faulty.

Otherwise, sometimes it itakes the computer and engine to adjust to the new part and get an accurate (consistant) reading until the light will stay off.

A lot of the time a light will come on if the O2 sensor(s) are bad. This isnt' a huge issue right aways, will slightly affect feul mileage and the amount of exhaust return into the engine for being reburned. Replace these if necessar (and if affordable).

Please let me know if you need any further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

Apr 28, 2010 | 1998 Chevrolet Lumina

1 Answer

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.

Mar 28, 2009 | 2001 Chevrolet Lumina

2 Answers

SERVICE ENGINE LIGHT ON FAILED EMISSIONS


Yes, take it back. The might of replaced the Egr valve to turn off the light. Don't let them charge you for retesting it, that's why you took it in in the first place.

Mar 13, 2009 | 1996 Chevrolet Corsica

2 Answers

Service engine light is on


Check your IAC Idle Air Control valve this will set off the check engine light and throw codes where you think it is the EGR valve. And no to your answer about another way to shut it off

Feb 13, 2009 | 1996 Chevrolet Lumina Mini

1 Answer

1996 Chevy Lumina EGV Valve Replacement


I believe you mean the EGR valve

If this is a 3.1 Liter,..it's located on the drivers side, on top of the engine. It's bolted down with (2) bolts, mounted vertically, and has a wiring harness attached to the top of it. It has a black plastic top,circular in shape, about 4 inches tall. After removing it, invert to show underside & try cleaning the orifice (with the recessed screw) with a soft brass brush & carb' cleaner....to remove the carbon build-up which causes poor running & "service engine soon" light to display. If carefully removed, the gasket can be re-used,..if it gets damaged, one can be purchased at a automotive parts supply.

If you plan on doing a lot of your own work on this van, I suggest buying a Haynes or a Chilton Manual from a local car parts store for you van, they can give you instructions on everything

Oct 21, 2008 | 1996 Chevrolet Lumina Mini

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