P0190 GMC Code - Fuel Rail Pressure Sensor Circuit Malfunction
Quick Answer
The P0190 diagnostic trouble code (DTC) for GMC vehicles refers to a Fuel Rail Pressure Sensor Circuit Malfunction. Common causes include Faulty fuel rail pressure sensor, Damaged wiring or connectors in the sensor circuit, Fuel pump failure. 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
- P0190 GMC indicates Fuel Rail Pressure Sensor Circuit Malfunction.
- Common causes
- Common causes include Faulty fuel rail pressure sensor, Damaged wiring or connectors in the sensor circuit, Fuel pump failure.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0190 GMC Description
The P0190 diagnostic trouble code (DTC) for GMC vehicles refers to a Fuel Rail Pressure Sensor Circuit Malfunction. This code indicates that there is an issue with the fuel rail pressure sensor circuit, which is responsible for monitoring the fuel pressure in the fuel rail of the engine. The fuel rail pressure sensor plays a crucial role in ensuring the engine receives the correct amount of fuel for optimal performance.
Common Causes of P0190 GMC
- Faulty fuel rail pressure sensor
- Damaged wiring or connectors in the sensor circuit
- Fuel pump failure
- Fuel pressure regulator issues
- Fuel filter clogging
Symptoms of P0190 GMC
- Engine misfires or hesitation during acceleration
- Rough idling or stalling
- Decreased fuel efficiency
- Illuminated check engine light
- Reduced engine power
How to Fix P0190 GMC
- Diagnose the issue using a scan tool to confirm the P0190 code and check for any related codes.
- Inspect the wiring and connectors in the fuel rail pressure sensor circuit for any damage or corrosion. Repair or replace as needed.
- Test the fuel rail pressure sensor for proper operation and replace if faulty.
- Check the fuel pump and fuel pressure regulator for proper function and replace if necessary.
- Clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0190 GMC
The cost of repairing a Fuel Rail Pressure Sensor Circuit Malfunction can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for this repair can range from $100 to $300, while labor costs can range from $100 to $300. Keep in mind that additional diagnostic time may be required to pinpoint the exact cause of the problem, so it's advisable to consult with a professional mechanic for a more accurate cost estimate.
Need more information about the P0190 GMC code?
Need more information on how to fix the P0190 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0190 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0190 GMC Code
No Frequently Asked Questions about P0190 GMC Code found.
Discuss the causes and fixes for P0190 GMC OBDII Code
Code P0190 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.