Engine-CodesGMC – P0192 2018 GMC Sierra

P0192 2018 GMC Sierra Code - Fuel Rail Pressure Sensor Circuit Low Input

Quick Answer

The P0192 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that the fuel rail pressure sensor circuit is detecting a low input signal. Common causes include Faulty fuel rail pressure sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction. 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
P0192 2018 GMC Sierra indicates Fuel Rail Pressure Sensor Circuit Low Input.
Common causes
Common causes include Faulty fuel rail pressure sensor, Damaged wiring or connectors in the sensor circuit, ECM malfunction.
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 23, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0192 2018 GMC Sierra Description

The P0192 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates that the fuel rail pressure sensor circuit is detecting a low input signal. This sensor is responsible for monitoring the fuel pressure in the fuel rail and sending this information to the engine control module (ECM). When the sensor detects a lower than expected voltage signal, it triggers the P0192 code. This issue can have significant implications for the vehicle's performance and fuel efficiency.

OBDII Code P0192 2018 GMC Sierra - Fuel Rail Pressure Sensor Circuit Low Input
P0192 2018 GMC Sierra Code - Fuel Rail Pressure Sensor Circuit Low Input

Common Causes of P0192 2018 GMC Sierra

  1. Faulty fuel rail pressure sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. ECM malfunction
  4. Low fuel pressure
  5. Clogged fuel filter

Symptoms of P0192 2018 GMC Sierra

  1. Poor engine performance
  2. Reduced fuel efficiency
  3. Engine stalling
  4. Hesitation during acceleration
  5. Rough idling

How to Fix P0192 2018 GMC Sierra

  1. Begin by conducting a thorough inspection of the fuel rail pressure sensor and its wiring and connectors. Replace any damaged components.
  2. Test the fuel pressure in the fuel rail to ensure it is within the manufacturer's specifications. Address any issues with low fuel pressure.
  3. Clear the DTC from the ECM using a diagnostic scan tool and monitor the sensor's readings to ensure the code does not return.
  4. If the issue persists, consider replacing the fuel rail pressure sensor or having the ECM reprogrammed by a qualified technician.

Cost to Fix P0192 2018 GMC Sierra

The typical repair costs for addressing a P0192 code on a 2018 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a faulty fuel rail pressure sensor can cost between $150 and $300, including parts and labor. However, if additional repairs or reprogramming of the ECM are necessary, the total cost may increase. It is recommended to consult with a professional mechanic to obtain an accurate cost estimate based on the specific diagnosis and repair needed. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to research local rates for a more precise estimate.

Tech Notes for P0192 2018 GMC Sierra









User Submitted Video

Need more information about the P0192 2018 GMC Sierra code?

Need more information on how to fix the P0192 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0192 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 P0192 2018 GMC Sierra Code

No Frequently Asked Questions about P0192 2018 GMC Sierra Code found.

Discuss the causes and fixes for P0192 2018 GMC Sierra OBDII Code

Code P0192 2018 GMC Sierra comments

No comments found for this page.