got code 77 EGR soleniod #3 were is it - FirebirdV6.com/CamaroV6.com Message Board

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got code 77 EGR soleniod #3 were is it

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  • got code 77 EGR soleniod #3 were is it

    Egr soleniod #3 just dont know were it is
    my car is a 94 camaro 3.4 5speed can any tell me were this is on pic
    94 3.4 camaro m5<br />mods-- B&M ripper shifter, TB bypass, <br />here\'s my vid-- <a href=\"http://video.ls1tech.com/Player.aspx?fileid=8E16D909-7766-41B1-BC2A-EBCCB9111EDD&term=3.4&p=0\" target=\"_blank\">http://video.ls1tech.com/Player.aspx?fileid=8E16D909-7766-41B1-BC2A-EBCCB9111EDD&term=3.4&p=0</a>

  • #2
    it's in the EGR valve. #3 is the largest opening of the 3 selinoids. The reason that code sets is because the MAP sensor sees little or not pressure difference when selinoid 3 is triggered. What you probably have is pluged EGR passages in the intake.
    1996 Silver camaro Z28. M6,<br />12 bolt, 4.11\'s, posi, Rear cover, Spec stage 2, loudmouth, more <a href=\"http://home.mainstreamtopics.com/?index=3&module=1\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=1</a> &lt;Mods, Pics & more <a href=\"http://home.mainstreamtopics.com/?index=3&module=2\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=2</a> &lt;Fbody Tech Articals

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    • #3
      I have this same code. Anything I can do without having to buy a whole new EGR valve? Can it be taken apart and cleaned?
      1993 Pontiac Firebird 3.4L V6 A4<br />F41 RPO suspension option<br />119K miles<br />Fastchip<br />K&N \"Filtercharged\"<br />Airbox cuttout CAI<br />ASP underdrive pulleys<br />Pacesetter Headers<br />Flowmaster 80 Series 2.75 cat-back<br />MangaFlow Hi-Flow Cat<br />Corvette Servo<br />16.4 @ 81 MPH

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      • #4
        It's not the valve 9 out of 10 times it's the EGR passages in the intake being cloged. The PCM needs to see a change in MAP voltage when the valve is commanded on. This code sets when it doesn't see it or it's not large enough
        1996 Silver camaro Z28. M6,<br />12 bolt, 4.11\'s, posi, Rear cover, Spec stage 2, loudmouth, more <a href=\"http://home.mainstreamtopics.com/?index=3&module=1\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=1</a> &lt;Mods, Pics & more <a href=\"http://home.mainstreamtopics.com/?index=3&module=2\" target=\"_blank\">http://home.mainstreamtopics.com/?index=3&module=2</a> &lt;Fbody Tech Articals

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