Touareg V10-5.0L DSL Turbo (BWF) (2006)
Fuel Pressure: Testing and Inspection
Tandem and Fuel Pump Checking
Tandem and Fuel Pump Checking
‹› Tandem pump delivers fuel for cylinder bank 1 and Fuel Pump (FP) delivers fuel for cylinder bank 2.
Special tools, testers and auxiliary items required
‹› Torque wrench (5 to 50 Nm) (VAG 1331)
‹› Pressure gauge (VAS 5187) with adapter set (VAS 5187/6)
‹› Vehicle diagnostic, testing and information system (VAS 5051 A) with diagnostic cable
Test Conditions
‹› Coolant temperature must be at least 85 °C.
‹› Pump-injector units OK
‹› Fuel filter and fuel lines must not be blocked
Test Sequence
Vehicles with test connections (Engine Code BKW)
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Connect test unit for tandem pump (VAS 5187) to test connection for cylinder bank 1 - 1 - or to test connection for cylinder bank 2 - 2 -.
Vehicles with test connections (Engine Code BWF)
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Connect test unit for tandem pump (VAS 5187) to test connection for cylinder bank 1 - 1 - or to test connection for cylinder bank 2 - 2 -.