Sapporo L4-2555cc 2.6L (1982)
Thermal Vacuum Valve: Description and Operation
The CCEVS is used to improve hot driveability by preventing the operation of the Power Heat Valve, if equipped and air injection switching
system after coolant temperature reaches a predetermined level. The CCEVS valve is mounted in the cylinder head on 6 cylinder engines and in
the intake manifold on V8 engines.