My cruiser barely failed the CO portion of the emissions test (WA state). it's an 84 fj-60. from what I've read this is resulting from an issue with the air intake system, somewhere! In a couple of years, a smog test won't be required. My question is this, is there a simple way to just get the rig passed? hotter plugs? take the air filter out? bypas something? fuel additive? thanks!!