S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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CAUTION!
‹› Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure. Refer to => [
Before Opening High Pressure Fuel Injection System ] See: Fuel Filter/Fuel Pressure Release/Service and Repair.
‹› Then wrap a clean rag around the connection and relieve residual pressure by carefully loosening the connection.
Disconnect the Fuel Supply Line - arrow - at the Distribution Pipe on Engines with Magnesium Intake Manifolds.
Disconnect the Fuel Supply Line - arrow - at the Distribution Pipe on Engines with Plastic Intake Manifolds.
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Connect Fuel Inj. Pressure Gauge-CIS (V.A.G 1318) with adapter and Adapter Set (V.A.G 1318/10-12) in fuel line.
