P0673 Chevrolet Code - Cylinder 3 Glow Plug Circuit Fault
Quick Answer
The P0673 code for Chevrolet indicates a fault in the glow plug circuit for cylinder 3. Common causes include Faulty glow plug in cylinder 3, Wiring issues or electrical connections related to the glow plug circuit, Faulty glow plug relay. 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 Chevrolet indicates Cylinder 3 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug in cylinder 3, Wiring issues or electrical connections related to the glow plug circuit, Faulty glow plug relay.
- 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 Chevrolet Description
The P0673 code for Chevrolet indicates a fault in the glow plug circuit for cylinder 3. Glow plugs are essential components in diesel engines that help to heat the combustion chamber for easier cold starts. When the glow plug circuit in cylinder 3 malfunctions, it can lead to difficulties in starting the engine, reduced fuel efficiency, and increased emissions. This issue can also cause engine misfires, rough idling, and potentially even engine damage if left unresolved.
Common Causes of P0673 Chevrolet
- Faulty glow plug in cylinder 3.
- Wiring issues or electrical connections related to the glow plug circuit.
- Faulty glow plug relay.
- Engine control module (ECM) issues.
- Corrosion or damage to components in the glow plug circuit.
Symptoms of P0673 Chevrolet
- Difficulty starting the engine, especially in cold weather.
- Reduced engine performance and power.
- Engine misfires and rough idling.
- Increased fuel consumption.
- Illumination of the Check Engine Light.
How to Fix P0673 Chevrolet
- Begin by diagnosing the specific issue with the glow plug in cylinder 3 using a diagnostic scanner.
- Inspect the wiring and electrical connections related to the glow plug circuit for any damage or corrosion.
- Test the glow plug relay to ensure it is functioning correctly.
- Replace the faulty glow plug in cylinder 3 if necessary.
- Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.
Cost to Fix P0673 Chevrolet
The typical repair costs for resolving a cylinder 3 glow plug circuit fault can range from $100 to $300, including parts and labor. However, the 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. It's recommended to check with local auto repair shops for a more accurate estimate.
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Information for Specific Chevrolet Models
- P0673 2014 Chevrolet Silverado — Cylinder 3 Glow Plug Circuit Fault
- P0673 2015 Chevrolet Silverado — Cylinder 3 Glow Plug Circuit Fault
- P0673 2016 Chevrolet Silverado — Cylinder 3 Glow Plug Circuit Fault
- P0673 2017 Chevrolet Silverado — Cylinder 3 Glow Plug Circuit Fault
- P0673 2018 Chevrolet Silverado — Cylinder 3 Glow Plug Circuit Fault
Frequently Asked Questions about P0673 Chevrolet Code
1. What does the OBDII code P0673 mean on a Chevrolet?
P0673 indicates a Cylinder 3 Glow Plug Circuit Fault, meaning the glow plug or its circuit for cylinder 3 is malfunctioning.
2. What are common symptoms of the P0673 code in a Chevrolet?
Symptoms may include difficulty starting the engine in cold weather, rough idling, decreased engine performance, and an illuminated check engine light.
3. What causes the P0673 code to appear?
Common causes include a faulty glow plug, damaged wiring or connectors in the glow plug circuit, a malfunctioning glow plug control module, or corrosion in the electrical connections.
4. How do I diagnose the P0673 code in my Chevrolet?
Diagnose the code by inspecting the glow plug for cylinder 3, checking the wiring and connectors for damage or corrosion, and testing the glow plug control module for proper function.
5. Can I drive my Chevrolet with the P0673 code?
While the vehicle may still be drivable, prolonged operation with this code can lead to hard starts in cold temperatures and potential engine damage over time.
6. How do I fix the P0673 code on a Chevrolet?
Repairs may involve replacing the faulty glow plug, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing the glow plug control module if necessary.
7. How much does it cost to fix the P0673 code on a Chevrolet?
The repair cost varies but typically ranges between $100 and $300, depending on whether you're replacing a glow plug or addressing wiring issues.
8. Can a bad battery cause the P0673 code?
A weak or failing battery can contribute to glow plug circuit faults, as insufficient voltage may prevent the glow plug from functioning correctly.
9. How can I prevent the P0673 code from occurring?
Regularly inspect and maintain the glow plug system, including checking for damaged wiring, cleaning connections, and replacing glow plugs as needed.
10. Do I need to clear the P0673 code after repairs?
Yes, after making the necessary repairs, use an OBDII scanner to clear the code. If the issue is resolved, the check engine light should stay off.
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