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:
Anatomy of the tailbone. The tailbone is the last of five regions of the spine â below the cervical (upper) spine, thoracic (middle) spine, lumbar (lower) spine and the sacrum, which attached to the hips. The tailbone connects to the sacrum via a cartilaginous joint, which is similar in composition to the spineâs discs.