OBD Guide
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P119B

Fuel Rail Pressure Sensor Malfunction

P119B is an OBD-II diagnostic trouble code meaning: Fuel Rail Pressure Sensor Malfunction. Common causes: fuel rail pressure sensor malfunction, open or short circuit in wiring. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Power Loss
  • Increased fuel consumption
  • Difficulty starting the engine
  • Check Engine Light Is On

Causes

  • Fuel rail pressure sensor malfunction
  • Open or short circuit in wiring
  • Poor contact in the sensor connector
  • Problems with the fuel pump
  • Sensor contamination

How to Fix

  1. Check fuel rail pressure sensor
  2. Check the integrity of wiring and connectors
  3. Clean sensor contacts
  4. Replace sensor if necessary
  5. Check the operation of the fuel pump

Related codes

P119AP119CP0190P0191

FAQ

What does the P119B code mean?

P119B is an OBD-II diagnostic trouble code that indicates: Fuel Rail Pressure Sensor Malfunction

What causes a P119B error code?

The most common causes of P119B include: Fuel rail pressure sensor malfunction; Open or short circuit in wiring; Poor contact in the sensor connector; Problems with the fuel pump.

How do I fix a P119B diagnostic trouble code?

To fix P119B: Check fuel rail pressure sensor. Check the integrity of wiring and connectors. Clean sensor contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P119B?

Yes, but get it checked soon

How much does it cost to fix P119B?

The estimated repair cost for P119B is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat