P0673 Audi Code - Cylinder 3 Glow Plug Circuit Fault
Quick Answer
The glow plug system is used to assist in providing the heat required to begin combustion during cold engine temperatures. Common causes include Faulty cylinder #3 glow plug, Cylinder #3 glow plug harness is open or shorted, Cylinder #3 glow plug circuit poor electrical connection. 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 cylinder #3 glow plug, Cylinder #3 glow plug harness is open or shorted, Cylinder #3 glow plug circuit poor electrical connection.
- 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.
Code P0673 Audi Description
What are the Possible Causes of the DTC P0673 Audi?
- Faulty cylinder #3 glow plug
- Cylinder #3 glow plug harness is open or shorted
- Cylinder #3 glow plug circuit poor electrical connection
- Faulty glow plug module
How to Fix the DTC P0673 Audi?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0673 Audi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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.
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