in my '88 22r-engine, I failed a (Calif) smog with a reading of 2.7 for "CO", and the limit is just 1.0. WHAT could be causing such a Massively high level?
Carbon monoxide is produced when you burn fuel without enough air. Your engine may be running rich. Are the hydrocarbons also high?
Here is a read for you ----- http://www.smogtips.com/failed-high- carbon-monoxide-CO.cfm
nope, the HC level was fine.....?
monoxide, you say...one might suspect a bad catalytic converter...possibly plugged, check the amount of exhaust...might be stoppin the show~
Looking for a Used Pickup in your area?
CarGurus has 115 nationwide Pickup listings starting at $8,500.
Search Toyota Pickup Questions
Toyota Pickup Experts