Engine-CodesGMC – P0087 2018 GMC Sierra

P0087 2018 GMC Sierra Code - Fuel Rail Low Pressure

Quick Answer

The P0087 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates a low fuel rail pressure condition. Common causes include Faulty fuel pump, Clogged fuel filter, Fuel pressure regulator issues. 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
P0087 2018 GMC Sierra indicates Fuel Rail Low Pressure.
Common causes
Common causes include Faulty fuel pump, Clogged fuel filter, Fuel pressure regulator issues.
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 13, 2024
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Code P0087 2018 GMC Sierra Description

The P0087 diagnostic trouble code (DTC) for a 2018 GMC Sierra indicates a low fuel rail pressure condition. The fuel rail is a crucial component of the fuel system that delivers pressurized fuel to the fuel injectors. When the fuel rail pressure is too low, it can lead to a variety of performance issues in the vehicle. This code is typically triggered when the fuel pressure in the fuel rail falls below the manufacturer's specified range.

OBDII Code P0087 2018 GMC Sierra - Fuel Rail Low Pressure
P0087 2018 GMC Sierra Code - Fuel Rail Low Pressure

Common Causes of P0087 2018 GMC Sierra

  1. Faulty fuel pump
  2. Clogged fuel filter
  3. Fuel pressure regulator issues
  4. Leaks in the fuel system
  5. Malfunctioning fuel pressure sensor

Symptoms of P0087 2018 GMC Sierra

  1. Engine misfires
  2. Hesitation or stalling during acceleration
  3. Rough idling
  4. Reduced fuel efficiency
  5. Check engine light illuminated

How to Fix P0087 2018 GMC Sierra

  1. Begin by performing a fuel pressure test to determine the exact pressure in the fuel rail.
  2. Inspect the fuel pump for proper operation and replace it if necessary.
  3. Check and replace the fuel filter if it is clogged or dirty.
  4. Inspect the fuel pressure regulator for any issues and replace it if needed.
  5. Check for any leaks in the fuel system and repair them accordingly.

Cost to Fix P0087 2018 GMC Sierra

The cost of repairing a low fuel rail pressure issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts for this repair can range from $200 to $600, with labor costs adding an additional $100 to $300. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.

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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.

Frequently Asked Questions about P0087 2018 GMC Sierra Code

1. What does OBDII code P0087 on a 2018 GMC Sierra indicate?

- OBDII code P0087 in a 2018 GMC Sierra indicates a fuel rail system low pressure condition.

2. What are the common symptoms of OBDII code P0087 in a 2018 GMC Sierra?

- Common symptoms of OBDII code P0087 in a 2018 GMC Sierra may include hard starting, engine misfires, lack of power, and stalling.

3. What are the possible causes of OBDII code P0087 in a 2018 GMC Sierra?

- The possible causes of OBDII code P0087 in a 2018 GMC Sierra include a faulty fuel pump, clogged fuel filter, fuel pressure regulator issues, or a leak in the fuel system.

4. How can I diagnose the issue related to OBDII code P0087 in a 2018 GMC Sierra?

- To diagnose the issue related to OBDII code P0087 in a 2018 GMC Sierra, you may need to perform a fuel pressure test, inspect the fuel pump, check for leaks in the fuel system, and examine the fuel filter and pressure regulator.

5. Can I continue driving my 2018 GMC Sierra with OBDII code P0087?

- It is not recommended to continue driving your 2018 GMC Sierra with OBDII code P0087, as it can lead to engine damage and potential safety hazards. It is best to address the issue promptly.

6. How can I repair OBDII code P0087 in my 2018 GMC Sierra?

- Repairing OBDII code P0087 in a 2018 GMC Sierra may involve replacing a faulty fuel pump, cleaning or replacing the fuel filter, repairing any leaks in the fuel system, or addressing issues with the fuel pressure regulator.

7. Is it possible to reset OBDII code P0087 in a 2018 GMC Sierra without fixing the underlying issue?

- While you can clear the OBDII code P0087 in a 2018 GMC Sierra using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent further problems.

8. How much does it typically cost to repair OBDII code P0087 in a 2018 GMC Sierra?

- The cost to repair OBDII code P0087 in a 2018 GMC Sierra can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Are there any preventive maintenance tips to avoid OBDII code P0087 in a 2018 GMC Sierra?

- To prevent OBDII code P0087 in a 2018 GMC Sierra, it is recommended to follow the manufacturer's recommended maintenance schedule, regularly replace the fuel filter, and use high-quality fuel to keep the fuel system clean.

10. Can a DIY enthusiast with basic automotive skills fix OBDII code P0087 in a 2018 GMC Sierra?

- Depending on the specific issue causing OBDII code P0087 in a 2018 GMC Sierra, a DIY enthusiast with basic automotive skills may be able to address some repairs, such as replacing the fuel filter. However, more complex issues may require professional assistance.

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