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was Regular Price897$365.00Special Price453$330.84
Leak Detection Pump (Audi A4/S4)
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The leak detection pump is an important part of your Audi B6 or B7 which self checks the gas tank. This A4 and S4 leak detection pump pressureizes the fuel system at the rear of the vehicle to check for leaks. A bad LDP pump could give you a check engine light preventing your Audi from passing emissions.