I recently purchased a used Audi 80 and have noticed an audible knocking sound coming from the engine. This only happens when the car is idling or accelerating. What could be causing this and how can I fix it?
ReplyYou may have a faulty fuel injector which could be causing the knocking sound. Try replacing it with a new one and see if the sound persists. Also, make sure to use high-quality fuel for your Audi to prevent any engine issues.
Check the oil level and quality in your Audi 80. Low or dirty oil can cause engine knocking. Change the oil and filter if needed to see if it improves the situation.
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