How can i lower my NOx(ppm) high speed emission and low speed emission? I have Toyota Camry 95.?

HIGH SPEED LOW SPEED
STD. READING STD READING
NOX(PPM) 878 1184 FAIL 970 1040 FAIL

make sure your exhaust is hot when going in the testing machine.

a hot cat converter works better than a cold one

One Response to “How can i lower my NOx(ppm) high speed emission and low speed emission? I have Toyota Camry 95.?”

  1. make sure your exhaust is hot when going in the testing machine.

    a hot cat converter works better than a cold one
    References :

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