How to fix the 'Check Engine' light in my Audi A4?

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Emily Jones 13 hours ago

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How to fix the 'Check Engine' light in my Audi A4?

The 'Check Engine' light came on in my Audi A4 and I'm not sure what to do. Any suggestions?

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Talk Audi - Explore Audi Car Mats

**John Smith** · Answer 1 · 2025-06-07T01:10:04+00:00

First, make sure your gas cap is on correctly. If it's loose, it can trigger the 'Check Engine' light. If that doesn't resolve the issue, it's best to take it to a certified mechanic for a diagnosis.

How to fix the 'Check Engine' light in my Audi A4?

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