P0628 Chevrolet Code - Fuel Pump Speed Output Circuit Low Voltage
Quick Answer
The P0628 Chevrolet code indicates a problem with the fuel pump speed output circuit, specifically a low voltage issue. Common causes include Faulty fuel pump relay, Wiring issues in the fuel pump speed output circuit, Malfunctioning fuel pump control module. 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
- P0628 Chevrolet indicates Fuel Pump Speed Output Circuit Low Voltage.
- Common causes
- Common causes include Faulty fuel pump relay, Wiring issues in the fuel pump speed output circuit, Malfunctioning fuel pump control module.
- 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.
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Code P0628 Chevrolet Description
The P0628 Chevrolet code indicates a problem with the fuel pump speed output circuit, specifically a low voltage issue. The fuel pump speed output circuit is responsible for regulating the speed of the fuel pump, which in turn controls the fuel flow to the engine. When the voltage in this circuit is too low, it can lead to issues with the fuel pump's performance, potentially causing a range of problems for the vehicle.
Common Causes of P0628 Chevrolet
- Faulty fuel pump relay
- Wiring issues in the fuel pump speed output circuit
- Malfunctioning fuel pump control module
- Defective fuel pump
- Electrical problems in the vehicle's system
Symptoms of P0628 Chevrolet
- Engine misfires
- Stalling or hesitation during acceleration
- Difficulty starting the engine
- Reduced fuel efficiency
- Illumination of the check engine light
How to Fix P0628 Chevrolet
- Diagnose the specific cause of the low voltage in the fuel pump speed output circuit using a diagnostic scanner.
- Inspect the fuel pump relay and replace it if faulty.
- Check the wiring in the fuel pump speed output circuit for any damage or loose connections and repair as needed.
- Test the fuel pump control module for proper functioning and replace if necessary.
- Replace the fuel pump if it is determined to be the cause of the low voltage issue.
Cost to Fix P0628 Chevrolet
The typical repair costs for addressing a P0628 Chevrolet code can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. However, it is important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more accurate estimate of the repair costs for this issue.
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Information for Specific Chevrolet Models
- P0628 2014 Chevrolet Silverado — Fuel Pump Speed Output Circuit Low Voltage
- P0628 2015 Chevrolet Silverado — Fuel Pump Speed Output Circuit Low Voltage
- P0628 2016 Chevrolet Silverado — Fuel Pump Speed Output Circuit Low Voltage
- P0628 2017 Chevrolet Silverado — Fuel Pump Speed Output Circuit Low Voltage
- P0628 2018 Chevrolet Silverado — Fuel Pump Speed Output Circuit Low Voltage
Frequently Asked Questions about P0628 Chevrolet Code
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