Question about 1998 Toyota Camry

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Code P0401 toyota Camry 3.0 v6

I replaced the upper and downstream O2 Sensor, EGR Temp sensor, Sensor on top of the EGR Valve, and cleaned the EGR Valve real good. i still have the engine light on after reseting. They told me to check the VSV but in this car i have 3 VSV installed on top of the engine. i need to know what else i can do to solve this issue...
Thank you ACE

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  • yadayada
    yadayada May 11, 2010

    contact expert Toyota Ed, he is a service manageg of a dealer and a Guru on Toyota problems.

  • fixya529 Jul 09, 2010

    Did you ever figure this out? I am having the exact same problem.

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  • 14 Answers

Replace the vsv that has the vacuuum hose running from it to the egr valve

Posted on Jun 05, 2009

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I have these codes coming up on my 2005 Dodge Ram. 5.7 liter motor: P0406 P2096 P0137 P2299 Thank you.


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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.

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