Is your Audi A4 idling roughly, vibrating, or showing fluctuating RPM? A faulty or dirty MAF (Mass Air Flow) sensor could be one possible reason. Incorrect airflow readings can affect fuel delivery, engine performance, acceleration, and overall drivability.
⚠️ Common warning signs include:
• Fluctuating or unstable RPM
• Rough engine idle
• Engine vibration
• Check Engine Light
• Increased fuel consumption
• Weak acceleration
• Engine hesitation or stalling
• Stored diagnostic fault codes
🔍 Before replacing the sensor, have the vehicle properly diagnosed. A diagnostic scan and sensor testing can help confirm whether the MAF sensor is actually the problem.
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