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EGR Vacuum Modulator -- Does this Filter need replacing? (pic)

Discussion in '1st Gen. Tacomas (1995-2004)' started by seligman, May 25, 2010.

  1. May 25, 2010 at 11:20 AM

    seligman [OP] Well-Known Member

    May 13, 2009
    I have a 96 Tacoma 4-cyl (2RZ-FE engine) that I'm getting ready for a smog check. Two years ago, the NOx barely passed at 15 MPH. I removed the EGR valve and cleaned the carbon out as best I could. Next I plan to use some Seafoam.

    Anyway, there is an EGR Vacuum Modulator that attaches to the EGR valve. Remove the green cap and there's a filter inside. As you can see, the filter is falling apart. One side is coarser than the other.

    How do I know if the filter needs to be replaced?


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