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Home >> Audi >> 2014 >> A7 Quattro TDI Premium Plus >> Repair and Diagnosis >> Engine Performance >> System >> 3.0L - Generic Scan Tool - Engine Code: CPNB (2 Of 2) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Fuel Injectors, Checking >> Function

Fuel Injectors, Checking: Function

The Cylinder Fuel Injectors -- are controlled by the Engine Control Module -J623- and mounted normal in the cylinder head. The fuel injectors spray high-pressure atomized fuel directly into the combustion chamber.

Special tools and workshop equipment required 

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