Question 1

What does P0191 mean?

Accepted Answer

P0191 - Fuel Rail Pressure Sensor Circuit Range/Performance. The fuel rail pressure sensor reading is outside the expected range for current operating conditions.

Question 2

What are the symptoms of P0191?

Accepted Answer

Check engine light, Poor performance, Hard starting, Stalling possible

Question 3

What causes P0191?

Accepted Answer

Failed fuel rail pressure sensor, Actual fuel pressure issue, Wiring problem, Corroded connector

Question 4

How much does it cost to fix P0191?

Accepted Answer

Typical repair cost: $50-$400. The sensor is $50-150 and usually easy to replace. But verify it's not a real fuel pressure issue first.

P0191 — Fuel Rail Pressure Sensor Circuit Range/Performance

Don't guess — diagnose P0191 the right way

Common symptoms of P0191

Common causes of P0191

Repair cost & difficulty

Vehicles commonly affected

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