P0673 Audi Code - Cylinder 3 Glow Plug Circuit Fault
Quick Answer
The P0673 Audi diagnostic trouble code indicates a fault in the cylinder 3 glow plug circuit. Common causes include Faulty glow plug in cylinder 3, Damaged wiring or connectors in the glow plug circuit, Malfunctioning glow plug 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
- P0673 Audi indicates Cylinder 3 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug in cylinder 3, Damaged wiring or connectors in the glow plug circuit, Malfunctioning glow plug 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.
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 P0673 Audi Description
The P0673 Audi diagnostic trouble code indicates a fault in the cylinder 3 glow plug circuit. Glow plugs are used in diesel engines to assist with cold starting by heating the combustion chamber before ignition. In this case, the glow plug in cylinder 3 is experiencing a circuit fault, which can lead to difficulties starting the engine, reduced fuel economy, and increased emissions.
Common Causes of P0673 Audi
- Faulty glow plug in cylinder 3
- Damaged wiring or connectors in the glow plug circuit
- Malfunctioning glow plug control module
- Corrosion or buildup on the glow plug tip
- Electrical issues in the glow plug circuit
Symptoms of P0673 Audi
- Hard starting, especially in cold weather conditions
- Rough idling or misfires
- Decreased fuel efficiency
- Illumination of the check engine light
- Increased emissions
How to Fix P0673 Audi
- Perform a diagnostic scan to confirm the P0673 Audi code and pinpoint the exact cause of the fault.
- Inspect the glow plug in cylinder 3 for any signs of damage or wear and replace if necessary.
- Check the wiring and connectors in the glow plug circuit for any damage or corrosion, repairing or replacing as needed.
- Test the glow plug control module for proper functioning and replace if faulty.
- Clear the trouble code from the vehicle's computer and test the vehicle to ensure the issue has been resolved.
Cost to Fix P0673 Audi
The typical repair costs for addressing a cylinder 3 glow plug circuit fault can range from $150 to $300, including parts and labor. However, specific diagnosis time and labor rates at auto repair shops can vary depending on factors such as location, vehicle make and model, and engine type. It is recommended to check local rates for a more accurate estimate before proceeding with the repair.
When is the Code Detected?
Need more information about the P0673 Audi code?
Need more information on how to fix the P0673 Audi code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0673 Audi code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0673 Audi Code
1. What are the common symptoms of OBDII code P0673 in an Audi related to the Cylinder 3 Glow Plug Circuit Fault?
- The common symptoms include hard starting, rough idle, loss of power, and an illuminated check engine light.
2. What are some possible causes of the Cylinder 3 Glow Plug Circuit Fault (P0673) in an Audi?
- Potential causes can include a faulty glow plug in cylinder 3, a damaged wiring harness, a defective glow plug control module, or a poor electrical connection.
3. How can I diagnose the Cylinder 3 Glow Plug Circuit Fault in my Audi if I suspect OBDII code P0673?
- To diagnose this issue, you can use a diagnostic scanner to read the fault codes, visually inspect the glow plug and wiring, test the glow plug circuit for continuity, and check the glow plug control module functionality.
4. Can I continue driving my Audi with OBDII code P0673 related to the Cylinder 3 Glow Plug Circuit Fault?
- It is not recommended to drive your Audi with this fault code as it can lead to performance issues, increased emissions, and potential engine damage over time.
5. How can I repair the Cylinder 3 Glow Plug Circuit Fault in my Audi triggered by OBDII code P0673?
- The repair process may involve replacing the faulty glow plug in cylinder 3, repairing or replacing damaged wiring, checking and resetting the glow plug control module, and clearing the fault code with a diagnostic scanner.
6. Are there any preventive maintenance tips to avoid encountering the Cylinder 3 Glow Plug Circuit Fault in an Audi?
- Regularly inspecting and testing the glow plugs, maintaining the electrical system, and following the manufacturer's recommended service intervals can help prevent issues with the glow plug circuit.
7. Is it necessary to reset the ECU or clear the fault codes after repairing the Cylinder 3 Glow Plug Circuit Fault in an Audi?
- Yes, it is essential to clear the fault codes using a diagnostic scanner after repairing the glow plug circuit fault to reset the ECU and ensure proper functionality.
8. Can extreme weather conditions affect the performance of glow plugs and contribute to the Cylinder 3 Glow Plug Circuit Fault in an Audi?
- Yes, extreme cold or hot weather can impact the performance of glow plugs, leading to issues with the glow plug circuit and triggering fault codes like P0673.
9. How long does it typically take to repair the Cylinder 3 Glow Plug Circuit Fault in an Audi triggered by OBDII code P0673?
- The repair time can vary depending on the exact cause of the fault, but it may take anywhere from 1 to 3 hours to diagnose and fix the issue.
10. Is it recommended to seek professional help for diagnosing and repairing the Cylinder 3 Glow Plug Circuit Fault in an Audi with OBDII code P0673?
- If you are not experienced with automotive electrical systems, it is advisable to consult a qualified mechanic or Audi specialist to accurately diagnose and repair the glow plug circuit fault.
Discuss the causes and fixes for P0673 Audi OBDII Code
Code P0673 Audi 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.