Definitions
A compressor bypass valve (CPV) also known as a compressor relief valve is a vacuum-actuated valve designed to release pressure in the intake system of a turbocharged...
I'd encounter some problem again on my AYC.
Start engine 3 lights on then drop to 1 light (tarmac). Then after few minutes drive. Suddenly 3 lights up again.
I tried to retrieve previous thread on AYC. Some...