Question about 1996 Toyota Camry

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What's wrong with the code P0401 for camry 96

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P0401 OBD-II Trouble Code
Insufficient EGR Flow
What does that mean?
EGR stands for Exhaust Gas Recirculation. It is part of the vehicle emmissions system, and is used to reduce combustion temperature and pressure to control Oxides of Nitrogen. There are generally three parts to the EGR system: the EGR valve, an actuator solenoid, and a differential pressure sensor (DPF). These things work together to deliver the correct amount of recirculation based on engine temperature, load, etc. The P0401 code means that OBD detected an insufficient amount of EGR.

Posted on May 06, 2010

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SOURCE: I have four codes. P0136, P0141, P0171, P0401.

p0136 and p0141 are o2 sensors and p0401 is a egr flow and the p0171 means its running lean on low bank 1

Posted on Jul 01, 2010

toneman2121
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SOURCE: '96 LHS P0401 error code

http://www.aa1car.com/library/egr.htm

Posted on May 29, 2010

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Check engin light code po401 what does this mean.


P0401= Exhaust Gas Recirculation "A" Flow Insufficient Detected
for more info pls refer to this link http://www.obd-codes.com/p0401
this isn't really nothing major to worry about it just a emission code

Feb 27, 2011 | 1998 Toyota Camry

4 Answers

I have four codes. P0136, P0141, P0171, P0401.


p0136 and p0141 are o2 sensors and p0401 is a egr flow and the p0171 means its running lean on low bank 1

Jun 30, 2010 | 1996 Ford Econoline

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2001 camry stalling.


These are egr codes.Replace your egr valve it is most likely stuck closed causing the car to stall.

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95 Blazer code P0401


Have a little read of this link, it may help you.

http://www.obd-codes.com/p0401

Jun 19, 2009 | 1995 Chevrolet Blazer

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96 Ford taurus surging when stopped at lights


you replaced the wrong part. a common problem with this code is the D.P.F.E. SENSOR. ford has revised this sensor due to so much trouble with the old ones. i would get this part from ford so you know you are getting the revised part

May 06, 2009 | 1996 Ford Taurus

2 Answers

Obd codes p0300 p0301 p0303 p0305 p0401


P0401 Exhaust Gas Recirculation Insufficient Flow Detected

P0300 Random/Multiple Cylinder Misfire Detected
P0301 Cylinder 1 Misfire Detected
P0303 Cylinder 3 Misfire Detected
P0305 Cylinder 5 Misfire Detected


I would check out the EGR valve. That maybe what is causing all the misfires.

Mar 24, 2009 | 1997 Toyota Camry

1 Answer

How to replace EGR valve on 2000 camry V6?


If you have a P0401 code from a CEL, the first thing is to check the EGR vacuum modulator. It is a little well usually next to the EGR. Pop the cap off and dust the little sponge inside. Sometimes this gets stuffed up with carbon particles and causes recirculation problems. You should clean the tubes hooked to it while you are there. Reset the code and see if the light comes back.

Replacing the EGR is not a tidy job. It is an expensive part to replace and you will disconnect the three hoses and dismantle it from engine by two nuts. Save it for the later if the previous trick fails to work.

Aug 20, 2008 | 1999 Toyota Camry

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