Audi A4 B9 45 TFSI g-tron CNG System Maintenance
Audi
A4
2018
2.0 TFSI g-tron CNG
Safe to Drive?
✅ Safe to Drive
Urgency Level
🟡 Monitor Closely
The factory CNG system on A4 B9 g-tron requires injector service every 60,000 km and pressure regulator inspection every 80,000 km. CNG injector replacement costs £80-200 each.
📋 About This Fault
This fault report covers Audi A4 B9 45 TFSI g-tron CNG System Maintenance on Audi A4 2018.
🚗 Can You Drive With This Fault?
This fault is generally safe to drive with in the short term, but should be investigated promptly to prevent further wear or a secondary fault developing.
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