Re: vent valve
The purge canister and solenoid are located underneath above the fuel tank. There is also a purge valve on the driver's side of the engine block.
"Brownstone Bumblebee" 2016 Diesel Colorado Z71 CCSB 4X4, Brownstone Metallic
HPD and Provent 200 Catch Cans
Amsoil Remote Bypass Filter and Fluids.
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