Z22SE engine as fitted to various vauxhalls
failed emissions quite badly
fast idle test
CO Max Limit - 0.300 - actual 9.298 HC 200 - actual 1060
Lambda min 0.970 max 1.030 - actual 0.801
second fast idle test
CO 0.300 actual 9.946 HC 200 actual 1187 Lambda min 0.970 max 1.030 - actual 0.761
Natural Idle Test
CO max 0.500 actual 5.869
car has visible emissions, you can see soot when its running,
i changed the precat lambda this morning but still no luck,
cat is quite new, any suggestions on what it could be ?
cheers
mark