P0092 Buick Code - Fuel Pressure Regulator Control Circuit High Voltage
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
- P0092 Buick indicates Fuel Pressure Regulator Control Circuit High Voltage.
- 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 P0092 Buick Description
What are the Possible Causes of the DTC P0092 Buick?
- 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 P0092 Buick?
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 P0092 Buick 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.
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Frequently Asked Questions about P0092 Buick Code
1. What does the OBDII code P0092 mean on a Buick?
P0092 indicates a high voltage condition in the fuel pressure regulator control circuit, which can affect the fuel delivery system's performance.
2. What are the common symptoms of a P0092 code on a Buick?
Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, difficulty starting, or the Check Engine Light being illuminated.
3. What causes the P0092 code on a Buick?
Common causes include a faulty fuel pressure regulator, damaged wiring or connectors in the fuel pressure regulator circuit, or a malfunctioning powertrain control module (PCM).
4. Can I drive my Buick with a P0092 code?
Driving with a P0092 code is not recommended, as it can lead to poor engine performance, potential stalling, or further damage to engine components.
5. How do I diagnose a P0092 code on a Buick?
Start by inspecting the wiring and connectors for damage or corrosion, testing the fuel pressure regulator, and using a multimeter to check the circuit voltage.
6. How is a P0092 code on a Buick fixed?
Repairs may involve replacing the fuel pressure regulator, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
7. Can a bad fuel pump cause a P0092 code on a Buick?
While a bad fuel pump is less likely to directly cause this code, it can contribute to fuel delivery issues that may exacerbate the problem.
8. What tools are needed to diagnose and repair a P0092 code on a Buick?
You’ll need an OBDII scanner, a multimeter for electrical testing, and basic tools for inspecting and repairing wiring or replacing the fuel pressure regulator.
9. How much does it cost to repair a P0092 code on a Buick?
Repair costs can range from $100 to $500 or more, depending on whether the issue is with wiring, the fuel pressure regulator, or the PCM.
10. Can a P0092 code on a Buick reset itself?
The code may clear temporarily if the issue is intermittent, but the underlying problem must be fixed to prevent it from returning.
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