P0191 on Audi vehicles The fuel rail pressure sensor reading does not track the commanded pressure
P0191 is named on 7 Audi model years (2020–2024): 7 manufacturer filings and 0 owner reports in NHTSA’s files, across RS, TT, TT RS.
Which Audi model years name P0191
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2024 Audi RS | Engine | 1 | — |
| 2023 Audi RS | Engine | 1 | — |
| 2022 Audi RS | Engine | 1 | — |
| 2022 Audi TT RS | Engine | 1 | — |
| 2021 Audi TT | Engine | 1 | — |
| 2020 Audi RS | Engine | 1 | — |
| 2020 Audi TT | Engine | 1 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Audi filings that name P0191
Source: NHTSA manufacturer communicationsBulletins and campaigns Audi filed with NHTSA whose summary names P0191. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- TSB_2067757_4 Service bulletin2026-03-20 · Engine
- This bulletin provides information when there is a drive system fault/engine won't start; either no DTC, or DTC P0191, P0087.
What P0191 means
Source: SAE J2012 / OBD-IIThe fuel rail pressure sensor reading does not track the commanded pressure.
A stored code names the test that failed, never the part that caused it. The record above is what Audi and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0191 a known problem on Audi vehicles?
It is a documented one: NHTSA's files hold 7 manufacturer filings and 0 owner reports naming P0191 on 7 Audi model years (2020–2024). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Audi models does P0191 appear on most?
2024 RS (1 document), 2023 RS (1 document), 2022 RS (1 document).
Does P0191 on a Audi mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.