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Re: Can't Run Evap or O2 Monitor
Posted to Emissions Forum on 8/9/2019

Years ago I had a 2001 GMC pickup. It had (I think) 4 incomplete monitors; evap, O2, cat and egr.

Figured I could just cherry pick a monitor and try to pass it. Tried all but the evap with this logic. Hundreds of miles (hate giving up) driving. Fleet vehicle... Login to read more.