RS 6 V8-4.2L Turbo (BCY) (2003)
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Operate remote control V.A.G 1348/3A for 30 seconds.
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Perform measurement with all injectors.
Specification for each injector: 187 ... 203 ml
If reading does not match specification for all injectors:
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Check fuel pressure.
If reading does not match specification for one injector:
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Replace appropriate injector.
NOTE: Spray pattern is also to be checked when checking injection quantity. It must be the same for all injectors.
Install fuel rail with injectors in reverse order of removal. Pay attention to the following:
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Replace O-rings at all joints opened.
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Moisten O-rings with fresh engine oil.
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Make sure injectors are installed in correct position.
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Make sure clips are properly connected.
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Position fuel rail with secured injectors at intake manifold and press in evenly.
Tightening torque
Component
Nm
Fuel rail to intake manifold
10