Audi A4 owners have reported 1 problem related to diesel engine (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Audi A4 based on all problems reported for the A4.
1997 Audi A4 quattro lease with engine problems customer states that Audi corporation is fully aware of the problems with slog and did not send him a letter*
the consumer stated the oil pump failed which caused oil starvation to the engine, which now sounds like a diesel engine. The consumer mechanics informed the consumer that the manufacturer was fully aware of an oil sludge problem from the use of inferior engine oil or from infrequent oil changes, can clog the oil pump. The consumer stated he never received a letter regarding an oil sludge problem.
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all problems of the 1997 Audi A4
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