Question about 2000 Audi A4

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Engine runs fine from cold but wen hot engine holds back wont rev above 5000 stops at that but rev goes up and down also water bottle smels of petrol and dip stik does as wel wat could be causing this

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You may have gas getting into the oil , this can be caused by a bad fuel injector or a leaking fuel preasure regulator,the best way to check it would be with a scan tool, this way you can see whats going on, if its running rich or not, and also check the operation of the o2 sensors,you shouldnt drive the car this way, this will cause cat- converter damage and may even cause engine damage. good luck.

Posted on May 13, 2010

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Posted on Jan 02, 2017

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Regards,

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