Wastegate
Forced Induction
turbo boost-bypass valve — Mechanical (internal/external) or electronic valve that bleeds exhaust around the turbo to limit boost. Stuck wastegate = overboost (P0234) or underboost (P0299).
Tune Wastegate with DaVinci Deluxe
Professional ECU tuning software. €299 lifetime, or test it first with the Real Software Test: €9.99 for 7 days, then €100.99/month unless you cancel in one click.
See pricing