deflaytedwayz2
+1y
i need some help from someone who does smog. i just put in a 2.0l in my 86 mazda. im in ca where we have the stupid strict ass dyno smog. well i failed the 25mph on HC (ppm) and was a gross polluter on co% both at 15 and 25mph. my question is what can i do to fix this? the smog guy wont help out hes all for the money. i can fix it my self i just need to know what would cause the Hc to be high and the co to be super high.
max 15mph hc was 141 i got 125 pass max 25mph hc was 113 i got 127 FAILmax 15mph co .99 i got 3.66 FAILmax 25mph co 1.25 i got 4.54 FAILi passed everything else. co2 o2 and no(ppm)