P0090 2017 GMC Sierra Code - Fuel Pressure Regulator Control Circuit
Quick Answer
High-pressure fuel is regulated by the high-pressure fuel pump actuator, which is a part of the High-Pressure Fuel Pump. Common causes include Faulty High-Pressure Fuel Pump, High-Pressure Fuel Pump harness is open or shorted, High-Pressure Fuel Pump electrical circuit poor 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
- P0090 2017 GMC Sierra indicates Fuel Pressure Regulator Control Circuit.
- Common causes
- Common causes include Faulty High-Pressure Fuel Pump, High-Pressure Fuel Pump harness is open or shorted, High-Pressure Fuel Pump electrical circuit poor 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.
Code P0090 2017 GMC Sierra Description
What are the Possible Causes of the DTC P0090 2017 GMC Sierra?
- Faulty High-Pressure Fuel Pump
- High-Pressure Fuel Pump harness is open or shorted
- High-Pressure Fuel Pump electrical circuit poor connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0090 2017 GMC Sierra?
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 P0090 2017 GMC Sierra 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 P0090 2017 GMC Sierra code?
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Frequently Asked Questions about P0090 2017 GMC Sierra Code
1. What does the OBDII code P0090 mean on a 2017 GMC Sierra?
P0090 indicates a problem with the Fuel Pressure Regulator Control Circuit, which monitors and controls fuel pressure in the fuel system.
2. What are the common symptoms of code P0090 on a 2017 GMC Sierra?
Symptoms may include poor engine performance, rough idling, difficulty starting, reduced fuel efficiency, or an illuminated check engine light.
3. What causes the P0090 code in a 2017 GMC Sierra?
Common causes include a faulty fuel pressure regulator, damaged wiring or connectors in the control circuit, a failing fuel pump, or a malfunctioning powertrain control module (PCM).
4. Can I drive my 2017 GMC Sierra with a P0090 code?
Driving with a P0090 code is not recommended, as it can lead to poor performance, potential stalling, or further damage to the fuel system.
5. How is the P0090 code diagnosed on a 2017 GMC Sierra?
A technician will use a scan tool to verify the code, inspect the fuel pressure regulator and its wiring, and test the voltage and resistance of the control circuit.
6. How do I fix the P0090 code on my 2017 GMC Sierra?
Repairs may include replacing the fuel pressure regulator, repairing damaged wiring or connectors, or addressing issues with the PCM or fuel pump if necessary.
7. How much does it cost to repair a P0090 code on a 2017 GMC Sierra?
Repair costs vary but can range from $100-$500 or more, depending on whether the issue is with the regulator, wiring, or other components.
8. How can I prevent the P0090 code from occurring again?
Regular maintenance, timely fuel system inspections, and promptly addressing wiring or connector issues can help prevent the recurrence of this code.
9. Can a dirty fuel filter cause the P0090 code on a 2017 GMC Sierra?
A dirty fuel filter is unlikely to directly cause a P0090 code but can contribute to fuel system issues that might trigger related codes.
10. Will resetting the check engine light fix the P0090 code on a 2017 GMC Sierra?
Resetting the light may clear the code temporarily, but the underlying issue must be addressed to prevent the code from returning.
Discuss the causes and fixes for P0090 2017 GMC Sierra OBDII Code
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