July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
BACKPRESSURE Transducer (BPT) Valve
Disconnect 2 vacuum hoses on BPT valve. Plug one of 2 ports. Apply pressure of .145 in. Hg to BPT valve and apply suction on other port to check for leakage. If leak is noticed, replace valve.