EGR Backpressure Transducer: Testing and Inspection

1. Plug one of two ports of EGRC-BPT valve.
2. Vacuum from the other port and check leakage without applying any pressure from under EGRC-BPT valve. Leakage should exist.

*: Only for California models. For non-California models, this means EGR valve & canister control solenoid valve.