Hello all,

Today's subject is a 1992 Nissan 240SX, manual trans, 92K miles, failing ASM inspection for NOx.

Initial numbers are as follows:

15/50:

CO2 14.1 CO 0.02 HC 17 O2 1.5 NOX 1950

25/25:

CO2 14.2 CO 0.02 HC 13 O2 1.3 NOX 1584

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