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1997 Nissan Maxima Question: how do you change +or clean the egr?



jimbo26, Peoria, AZ, October 11, 2012, 23:06

failed emissions - cdes p0400+p0300+p0443

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  • Answer #1

    October 11, 2012, 23:08

    there is lot more to the egr code, 400 than just replacing the valve. you need to have it checked to verify. there is a lot more than the valve in the egr system
    300 is a random missfire
    443 is an evap code.


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  • Answer #2

    Greg's Orange Auto (14981 Answers) , Orange, CA - (714) 361-9386
    globalhelper October 12, 2012, 09:40

    i agree with mastertech. the egr could be causing code po300 but not the evap,seek a proper diag and est as to not waste time and $

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