One problem related to other fuel type engine turbo-charger has been reported for the 2002 Audi A4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Audi A4 based on all problems reported for the 2002 A4.
A known defect in Audi 1. 8 turbo oil pump . Audi failed to recall the auto although they were aware of problem since 2001. Resulted in total engine destruction. Audi,honolulu refuses to repair. This same complaint is subject of 5 class action civil law suits on mainland. During an oil starvation engine failure, engine explodes, risk to driver and public is significant as noted by civil court massachusetts document . Audi is defendant in law suit which lists. Deception, and failure to recall vehicle as prime complaints. . . . Injury and potential loss of life when engine explodes is also mentioned in document. Doc. No. 06cv3513-jcl-mfdistrict of massachusetts1:06-cv-11875-jlt aka plaintiffs second amended class action. Audi has not yet alerted all owners of these vehicles that a oil pump defect in models 1997-2004 can have catastrophic oil starvation and explosion leading to injury and or death. I have asked Audi-honolulu why they did not warn owners. They respond "we were not obligated to do so" this engine defect nearly killed my son and could injury or kill anyone subject to its engine seizure/burn up. Michael healy MD mph.