The Lemon IndexThe fuel pressure reading doesn't match what the computer expects.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Failing pressure sensor. Then: fuel pump or regulator problem; wiring fault.
Owners named P0191 in 26 complaints to the U.S. government, most often on the Volkswagen Jetta.
Cars owners report it on
Complaints that name P0191, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2010 Volkswagen Jetta · 2021 Ford F-Series · 2009 Volkswagen Jetta · 2025 Hyundai Santa Fe
The details
What P0191 means
The fuel pressure reading doesn't match what the computer expects. Hard starting or stalling can follow.
Can I drive with P0191?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
42% of the owner complaints that name P0191 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0191
- Failing pressure sensor
- Fuel pump or regulator problem
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 42% of complaints
- Loses power or goes into limp mode: 31% of complaints
- Shakes, runs rough or misfires: 15% of complaints
- Warning lights and electrical faults: 12% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0191 most
2010 Volkswagen Jetta (3), 2021 Ford F-Series (3), 2009 Volkswagen Jetta (2), 2025 Hyundai Santa Fe (2).
Related codes
P0190 P0192 P0193 P0196 P0175 P0174 P0172 P0171
Quick answers
What does P0191 mean?
Fuel Rail Pressure Sensor A Range/Performance. The fuel pressure reading doesn't match what the computer expects. Hard starting or stalling can follow.
Can I drive with P0191?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P0191?
Failing pressure sensor; Fuel pump or regulator problem; Wiring fault.
Counts: NHTSA owner complaints whose text names P0191. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.