Hello all.
I have a 92 pickup truck with new engine swap by a sketchy mechanic recently. After going to pass the emissions tests and failing, my financial situation requires me to make this thing pass myself.
The truch failed the Hydrocarbons HC test fairly badly 6.5/6, and it flunked the Carbon Monoxide CO test incredibly bad 177.5/25. I suspect this is because my emissions hoses are hooked up incorrectly. Because the 92 3.0L's have so so many vacuum hoses, and they look incredlby hard to get right.
This truck passed 2 years ago very easily so I don't suspect my catalytic converter.
My strategy to pass emissions is to basically check routing for every hose in the manual and try to find inconsistencies. Does anyone have any advice on some likely canidates for this problem?