S4 Quattro Wagon V8-4.2L (BHF) (2008)
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Examine fuel system for leakage.
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Check DTC memory, if necessary delete.
Consider the safety precautions. Refer to => [ Safety Precautions ] See: Service Precautions/Vehicle Damage Warnings/Safety
Precautions/Multiport Fuel Injection, valid for a test drive.
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Perform a test drive with at least one full load acceleration, after which the fuel system is to be inspected for leaks again.
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After the test drive check the DTC memory again. If a DTC is present again, erase the memory and generate a new readiness code.
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Read readiness code if no DTC is stored. If readiness code is not OK, generate a new one.