AutoCodes – Generic – P119A

P119A Code - Fuel Pressure Sensor Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the Fuel Pressure Sensor. Common causes include Faulty Fuel Pressure Sensor, Fuel Pressure Sensor harness is open or shorted, Fuel Pressure Sensor circuit poor electrical connection. 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 indicates Fuel Pressure Sensor Malfunction.
Common causes: Common causes include Faulty Fuel Pressure Sensor, Fuel Pressure Sensor harness is open or shorted, Fuel Pressure Sensor circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 10,763

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 27, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P119A Description

The Engine Control Module (ECM) monitors the Fuel Pressure Sensor. The ECM sets the OBDII code when the Fuel Pressure Sensor is not to factory specifications.

OBDII Code P119A - Fuel Pressure Sensor Malfunction - AutoCodes.com — P119A Code - Fuel Pressure Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC P119A?

Faulty Fuel Pressure Sensor
Fuel Pressure Sensor harness is open or shorted
Fuel Pressure Sensor circuit poor electrical connection

How to Fix the DTC P119A?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P119A code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P119A code?

Need more information on how to fix the P119A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P119A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P119A Audi — Fuel Pressure Sensor Malfunction
P119A Buick — NOx Sensor 1 Signal Circuit
P119A Cadillac — NOx Sensor 1 Signal Circuit
P119A Chevrolet — NOx Sensor 1 Signal Circuit
P119A GMC — NOx Sensor 1 Signal Circuit
P119A Infiniti — Fuel Rail Pressure Sensor Malfunction
P119A Nissan — Fuel Rail Pressure Sensor Malfunction
P119A Volkswagen — Fuel Pressure Sensor Malfunction

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.

Frequently Asked Questions about P119A Code

What does the OBDII code P119A mean?

The P119A code indicates a malfunction in the fuel pressure sensor, which monitors fuel pressure in the system to ensure proper engine performance.

What are the common symptoms of a P119A code?

Symptoms may include poor engine performance, difficulty starting, stalling, reduced fuel efficiency, or the illumination of the check engine light.

What causes the P119A code to appear?

Common causes include a faulty fuel pressure sensor, damaged wiring or connectors, a failing fuel pump, or issues with the fuel pressure regulator.

Can I drive with a P119A code?

Driving with a P119A code is not recommended, as it can lead to poor engine performance and potential damage to the fuel system or engine components.

How do I diagnose the P119A code?

Start by inspecting the fuel pressure sensor, wiring, and connectors for damage. Use a scan tool to monitor live fuel pressure readings and compare them to manufacturer specifications.

What repairs are needed to fix a P119A code?

Repairs may include replacing the fuel pressure sensor, repairing damaged wiring or connectors, replacing the fuel pump, or addressing issues with the fuel pressure regulator.

How much does it cost to fix a P119A code?

Repair costs vary but typically range from $150 to $500, depending on whether the sensor, wiring, or fuel pump needs replacement.

Can a dirty fuel filter cause a P119A code?

While uncommon, a clogged fuel filter can restrict fuel flow and cause pressure issues, potentially triggering a P119A code.

Will clearing the P119A code fix the problem?

Clearing the code will turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

How can I prevent a P119A code from recurring?

Regular maintenance, including inspecting the fuel system, replacing the fuel filter as recommended, and addressing fuel pressure issues promptly, can help prevent this code.