1992 Sedan Deville High NO (PPM)

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1992 Sedan Deville High NO (PPM) - 9/17/2007 11:44:44 PM    Bosshound   Posts: 3 Score: 0 Joined: 9/12/2007 Status: offline Ok, I replaced the EGR Valve, Plugs,Wires, Cap and Rotor. I also Replaced the Catalytic Converter.  The Service Vehicle Soon light comes on periodocally and it has 165000 miles.  The NO (PPM) reads 1493 at 15MPH and 1004 at 25MPH. Will Not Pass Smog !!!!!!   Other than that car runs GOOD !!! Any suggestions ? Post #: 1

RE: 1992 Sedan Deville High NO (PPM) - 9/18/2007 4:35:26 AM    Katzmans Caddy Posts: 1145 Score: 0 Joined: 12/3/2006 Status: offline I know people who swear by this stuff: http://passsmog.com/ (in reply to Bosshound) Post #: 2

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