May 2021 2 215 Report
1997 Chevy S10 Pick-Up 4.3 Vortec Liter Engine...Repair Help Needed...?

My evap system S10 trouble code, i am getting a code PO446- Charcoal canister vent blocked. I have changed both the rear vent solenoid AND the front purge solenoid. The code went away for a while. Then came back... I took off the rear hose for the vent solenoid and checked to see if it was clogged. It was not... Anyone else out there with this same problem? Appreciate ANY help/ advice I can get. Thank You...Jeff

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