I have a 93 civic Ex, 182k on it with a I/h/e, fpr w/guage, and i think it has a sport cat, havent looked under there yet.
I failed the idle test for Hydro Carbons which they told me is unburned fuel,I got 300 when the limit is 220(ppm). I passed the (25 mph)cruise HCs (160 limit and i got...