Audi P1373 Code Description
The Audi P1373 trouble code (DTC) indicates an open circuit in the ignition system for cylinder 7. In simpler terms, this means the electrical circuit responsible for providing spark to the spark plug in cylinder 7 is not functioning properly. This can lead to misfires, rough idling, poor fuel economy, and overall reduced engine performance.
Common Causes of Audi P1373 Code
NOTE: The listed causes may not be a complete list of all potential issues, and there may be other causes.
- Faulty ignition coil
- Damaged spark plug wires
- Faulty spark plug
- Issues with the ignition control module
- Wiring problems or loose connections
Symptoms of Audi P1373 Code
- Rough idle or engine misfires
- Decreased engine performance
- Engine stalling or difficulty starting
- Increased fuel consumption
- Illumination of the check engine light
How to Fix Audi P1373 Code
- Start by diagnosing the specific cause of the open circuit, using a multimeter to test the ignition coil, spark plug wires, spark plug, and wiring connections.
- Replace any faulty components such as the ignition coil, spark plug wires, or spark plug if necessary.
- Check and repair any damaged wiring or connections in the ignition circuit.
- Clear the diagnostic trouble codes from the vehicle’s computer using an OBD-II scanner.
- Test drive the vehicle to ensure the issue has been resolved and the engine is running properly.