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Failed Emission Test Nox At 15 Mph


richy z

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I cant scan but I can give you the info

HC (PPM)

15 MPH Max 102 Meas 6

25 MPH Max 77 Meas 4

CO(%)

15 MPH Max .68 Meas .00

25 MPH Max .55 Meas .00

NO (PPM)

15 MPH Max 748 Meas 919 FAILED

25 MPH Max 687 Meas 685 ALMOST FAILED

Thanks

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The car seems to be running a little on the lean side because of the low CO measurements. You probably should check the EGR system first, to make sure that it's working correctly. Go buy a cheap hand vacuum pump from an auto parts store and use it to test the EGR valve/modulator.

Pumping 91 octane gas will reduce the NOx emissions, slightly.

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