P0404 2017 Chevrolet Silverado Code - Exhaust Gas Recirculation Open Position Performance
Quick Answer
The P0404 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Exhaust Gas Recirculation (EGR) system. Common causes include Faulty EGR valve, Carbon buildup in the EGR system, Electrical issues with the EGR valve position sensor. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0404 2017 Chevrolet Silverado indicates Exhaust Gas Recirculation Open Position Performance.
- Common causes
- Common causes include Faulty EGR valve, Carbon buildup in the EGR system, Electrical issues with the EGR valve position sensor.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code P0404 2017 Chevrolet Silverado Description
The P0404 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates an issue with the Exhaust Gas Recirculation (EGR) system. Specifically, it signifies that the EGR valve is not functioning properly in the open position, affecting the vehicle's performance and emissions control.
Common Causes of P0404 2017 Chevrolet Silverado
- Faulty EGR valve
- Carbon buildup in the EGR system
- Electrical issues with the EGR valve position sensor
- Vacuum leak affecting the EGR system
Symptoms of P0404 2017 Chevrolet Silverado
- Decreased engine performance
- Rough idling or stalling
- Reduced fuel efficiency
- Engine misfires
- Illumination of the check engine light
How to Fix P0404 2017 Chevrolet Silverado
- Begin by conducting a visual inspection of the EGR valve and associated components to check for any obvious signs of damage or carbon buildup.
- Use a scan tool to monitor the EGR valve position sensor's readings and ensure it is functioning correctly.
- Test the EGR valve for proper operation by applying vacuum and checking for movement.
- Clean or replace the EGR valve if necessary, and clear any carbon buildup in the EGR system.
- Reset the vehicle's engine control module (ECM) to clear the DTC and monitor the EGR system's operation for any recurring issues.
Cost to Fix P0404 2017 Chevrolet Silverado
The typical repair costs for addressing a P0404 code on a 2017 Chevrolet Silverado can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to inquire about local rates for a more accurate estimate.
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