This DTC tests the evaporative emission (EVAP) system for a restricted or blocked EVAP vent path. The control module commands the EVAP canister purge solenoid Open and the EVAP canister vent solenoid Closed. This allows vacuum to be applied to the EVAP system.
Many people make the claim that Man has a tailbone left over from evolution. This page will examine these claims and show that mans tailbone is nothing of the sort... and rather than being a left over from evolution, the tailbone has a distinct role and purpose. The following is an excert from:
The base of the spine. Tail boneThe coccyx is the last segment of the base of the back bone, its also known as the tailbone.The coccyx is a vestigial tail and is the last section of the spinal column.The coccyx (or tailbone) is located at the bottom of the pelvis, in between the glutes (or butt cheeks) .