At a glance
What can fail
The fuel hose between the fuel rail and pressure regulator may harden over time, causing fuel to leak at the connection fittings. Leaking fuel can ignite on the hot exhaust system and cause an engine fire.
What the fix does
The fuel hose will be replaced. On 944S models, the fuel rail will also be replaced.
Summarized — see the official notice for exact wording, dates, and contacts.