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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (3.0L - Diesel Fuel Injection - Engine Code(S): CPNB (As Of 07.2014)) >> 23 Diesel Fuel Injection >> Fuel Injectors/High Pressure Reservoir (Rail) >> Fuel Injectors, Checking

Fuel Injectors, Checking

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

There are 4 ways to check the injectors.

Perform the following tests first, on a vehicle which is not starting (the engine does not start):