Engine-CodesInfiniti – P119A Infiniti

P119A Infiniti Code - Fuel Rail Pressure Sensor Malfunction

Quick Answer

The P119A code for Infiniti vehicles indicates a malfunction in the fuel rail pressure sensor. Common causes include Faulty fuel rail pressure sensor, Wiring or connection issues, Clogged fuel filter. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P119A Infiniti indicates Fuel Rail Pressure Sensor Malfunction.
Common causes
Common causes include Faulty fuel rail pressure sensor, Wiring or connection issues, Clogged fuel filter.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P119A Infiniti Description

The P119A code for Infiniti vehicles indicates a malfunction in the fuel rail pressure sensor. This sensor is responsible for monitoring the pressure of the fuel in the fuel rail, which is crucial for the proper functioning of the engine. When this sensor malfunctions, it can lead to a variety of issues that can affect the vehicle's performance and overall operation.

OBDII Code P119A Infiniti - Fuel Rail Pressure Sensor Malfunction
P119A Infiniti Code - Fuel Rail Pressure Sensor Malfunction

Common Causes of P119A Infiniti

  1. Faulty fuel rail pressure sensor
  2. Wiring or connection issues
  3. Clogged fuel filter
  4. Failing fuel pump
  5. Problem with the fuel pressure regulator

Symptoms of P119A Infiniti

  1. Rough idling
  2. Poor acceleration
  3. Decreased fuel efficiency
  4. Stalling
  5. Check engine light illuminated

How to Fix P119A Infiniti

  1. Perform a diagnostic scan to confirm the P119A code and identify the specific cause of the malfunction.
  2. Inspect the fuel rail pressure sensor and its connections for any signs of damage or wear.
  3. Test the fuel pressure regulator and fuel pump to ensure they are functioning properly.
  4. Replace the faulty fuel rail pressure sensor if necessary.
  5. Clear the diagnostic trouble codes and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P119A Infiniti

The typical repair cost for resolving a P119A code related to a fuel rail pressure sensor malfunction can range from $200 to $500, including parts and labor. However, it's important to note that actual repair costs can vary based on factors such as location, vehicle make and model, and the specific underlying cause of the issue. Additionally, diagnostic time and labor rates at auto repair shops can vary, with rates typically ranging between $80 and $150 per hour. It's recommended to consult with a trusted mechanic or repair shop to get a more accurate estimate for addressing this specific issue.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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