Touareg V8-4.2L (AXQ) (2006)
Fuel Injector: Testing and Inspection
Multiport Fuel Injection (MFI)
Fuel Injectors, Checking
Special tools, testers and auxiliary items required
‹› Remote control (V.A.G 1348/3A) with adapter cable (V.A.G 1348/3-3)
‹› Injector quantity testing device (V.A.G 1602)
‹› Adapter cable (V.A.G 1348/3-2)
‹› Fuel pressure must be OK, checking --> [ Fuel Pressure Regulator and Residual Pressure, Checking ] See: Computers and Control Systems/Testing
and Inspection/Component Tests and General Diagnostics/Component Tests (SAE Code Charts)/Fuel Pressure Regulator and Residual Pressure,
Checking,
Checking for leaks
CAUTION!
Fuel supply lines are under pressure! Wear protective goggles and protective gloves to avoid damage and contact with skin. Before
removing from hose connection wrap a cloth around the connection. Then release pressure by carefully pulling hose off connection.
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Remove fuel rail completely (fuel lines remain connected),
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Remove cover over fuse holder.
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Pull fuel pump relays - 1 - and - 2 - out of their sockets.
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Connect remote control (V.A.G 1348/3) with adapter cable (V.A.G 1348/3-3) to connection - arrow - for fuel pump relay for right fuel delivery
unit.