I have a 2005 Audi 80 and it has been running rough, with a noticeable misfire. I have changed the spark plugs and checked the ignition coils, but the issue persists. What steps should I take to diagnose and fix this issue?
ReplyFirst, make sure to check the fuel injectors for any clogs or defects. A clean fuel system is crucial for proper engine performance. Also, check the air filter and intake system for any blockages which could affect proper air flow.
Check the emission control system, including the oxygen sensor and catalytic converter. These components can cause misfiring if they are not functioning properly.
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