2001 Chevrolet S10 Q&A
2001 Chevrolet S10 Question: i have a 2001 s10 and the service engine light came on and the code is p0446
the code on 2001 s10 is p0446 and it says evap emmission control system vent circuit malf the light comes on after i have been driving the vechile for 5 to 10 minutes also in my haynes repair manual its says for p0446 evap canister vent blocked and i really would like to know what the promble is so i can fix it. it gets to be a pain to keep on having to turn the service engine light off - izzystradlian
Most evaporative faults can be challenging to diagonose. Several differant issues can set that code. Requires a good knowlege of the system and a good scanner to fix. Could be cheaper in long run to take it to a shop that can fix rather than guessing at what part to replace. - milesauto
your evap system poss has a plugged vent tube or solenoid - globalhelper
the code says emmisson control system vent circuit malfuction and i need to know what part needs to be replaced because its getting aggervating to haft to keep on turning the light off every time i...