Question about 1997 Chevrolet Lumina

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I have a 1997 chevy lumina ls. the service engine light comes on, and when i hooked up diagnostics, i got the code p0401. i cross checked it and it said it was insufficient air flow or something. what is the problem and how can i pinpoint it to know what i need to fix it?

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It's related to your EGR Valve.
You either may need to change the valve, or the tube connecting to the valve, or the sensor

Posted on Sep 24, 2009

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Do a quick check of your air filter, you would be amazed how often a dirty air filter can cause problems as such

Posted on Sep 24, 2009

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What causes a 1997 chevy lumina and check engine light to stays on?


You need to find out what codes are set causing the CHECK ENGINE light to illuminate. GO to any Advance Auto or AutoZone and they will read the codes for free. Do not assume that just because a code mentions a part that the part is faulty, especially if there are multiple codes set. Come back here and tell us the codes and we can help you determine your problem. Without the code(s), there are dozens of things that can set the CHECK ENGINE light.

Sep 07, 2014 | 1997 Chevrolet Lumina

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'01 Honda Accord, EX-L, V6, Code P0401 comes up at Auto Zone Is this a DIY job? Fairly handy


code P0401 is an EGR code.
which is insufficient EGR (exhaust gas recirculation) flow.it is quite common for people to just replace the EGR valve.



You can try doing it your self.:----
To troubleshoot these issue and solve it yourself.I suggest you to go through few help links related to
OBD code P0401:-----
Click the link below:-----


1997 Chrysler Sebring: OBD Error Code P0401?

http://howtobyme.blogspot.in/2012/06/1997-chrysler-sebring-obd-error-code.html

----------

2004 Hummer H2: OBD Code P0141?

http://whoisbyme.blogspot.in/2012/06/2004-hummer-h2-obd-code-p0141.html

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DTC Trouble Code P0401?

http://schematicsdiagram.blogspot.com/2012/01/dtc-trouble-code-p0401.html

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These will help.
Thanks.

Nov 28, 2012 | Honda Accord Cars & Trucks

1 Answer

Check engine light stays on the code that keeps coming up is P0401 changed egr valve clened out carbon build up also smell gas when first start not driving and fuel millage not as good car runs good though...


Could be a EGR vacuum issue or temp sensor issue

Common Problems That Trigger the P0401 Code
  • Restriction in the EGR passages, usually caused by carbon buildup
  • Lack of a proper vacuum signal to the EGR Valve from EGR Vacuum Solenoid
  • EGR Vacuum Modulator is defective
  • EGR Temperature Sensor is defective
  • EGR Valve is defective
This is from:
http://repairpal.com/OBD-II-Code-P0401-Ford

Jan 31, 2011 | 1998 Chevrolet Lumina

1 Answer

I have a 97 chevy lumina ls car. i am getting the code po401. i have brainstormed around the egr area, but haven't solved it yet. what do you think the problem is?


Could be a dirty EGR pintle passage area.
This is a common problem where carbon builds up and causes a code to trip.

A DTC trouble code P0401 which is insufficient EGR (exhaust gas recirculation) flow.

Oct 09, 2010 | 1997 Chevrolet Lumina

2 Answers

How to get a check engine light code for a 1995 chevy lumina


Hello there:
If you take you car to autozone or a parts plus store they have the free handheld diagnostic center that they can hook up to the vehical and it will get the code then they will be able to tell you what it is
They provide this free of charge ok?
Best regards Mike

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take it to a parts store and get them to hook up a code reader.

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You can reset the light by disconnecting the negative battery cable for about 30 minutes. If there is still an issue with the car after running the car after reconnecting the battery it will come back on. You will need to have it checked with diagnostic tool.

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