P0673 2016 Chevrolet Silverado Code - Cylinder 3 Glow Plug Circuit Fault
Quick Answer
The diagnostic code P0673 for a 2016 Chevrolet Silverado indicates a fault in the glow plug circuit of cylinder 3. Common causes include Faulty glow plug, Damaged wiring harness, Corroded connections. 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
- P0673 2016 Chevrolet Silverado indicates Cylinder 3 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug, Damaged wiring harness, Corroded connections.
- 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 P0673 2016 Chevrolet Silverado Description
The diagnostic code P0673 for a 2016 Chevrolet Silverado indicates a fault in the glow plug circuit of cylinder 3. Glow plugs are essential components in a diesel engine's ignition system, especially during cold starts. They heat up the combustion chamber to facilitate easy engine starting by aiding in the ignition process. When the glow plug circuit of cylinder 3 fails, it can lead to difficulties in starting the engine, reduced engine performance, increased emissions, and potential long-term damage to the engine.
Common Causes of P0673 2016 Chevrolet Silverado
- Faulty glow plug
- Damaged wiring harness
- Corroded connections
- Malfunctioning glow plug control module
- Electrical issues in the circuit
Symptoms of P0673 2016 Chevrolet Silverado
- Difficulty starting the engine, especially in cold weather
- Rough idling or misfires
- Decreased fuel efficiency
- Engine stalling
- Increased emissions
How to Fix P0673 2016 Chevrolet Silverado
- Diagnose the issue by checking the glow plug of cylinder 3 for continuity and the wiring harness for any damage or corrosion.
- Replace the faulty glow plug if necessary, ensuring it is the correct part for the specific cylinder.
- Inspect and repair any damaged wiring harness or corroded connections in the glow plug circuit.
- Test the glow plug control module to ensure it is functioning correctly, replacing it if needed.
- Clear the diagnostic trouble codes, start the engine, and verify that the issue has been resolved by checking for any remaining symptoms.
Cost to Fix P0673 2016 Chevrolet Silverado
The typical repair costs for a cylinder 3 glow plug circuit fault can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $150, while the labor costs can be between $100 and $200. Keep in mind that diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It's recommended to obtain quotes from local shops for a more accurate estimate.
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