The diverter valve (DV) — the turbo's bypass/recirculation valve — is a routine failure on the 1.8T and the FSI/early-TSI EA888. It vents boost between shifts, and when its diaphragm or piston tears, you lose boost
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VW GTI · Fuel & induction
VW GTI · Fuel & induction
The diverter valve (DV) — the turbo's bypass/recirculation valve — is a routine failure on the 1.8T and the FSI/early-TSI EA888. It vents boost between shifts, and when its diaphragm or piston tears, you lose boost
…