Fuel injection system car Volkswagen Touareg 1

General instructions for the injection system (petrol engine)
Fig. 2.271. Intake manifold parts: 1 - intake manifold; 2 - to the cylinder head cover; 3 - sealing ring; 4 - engine crankcase ventilation valve; 5 - bolt 10 Nm; 6 - bearing cap;...

Checking injectors (petrol engine)
Verification condition The fuel pressure should be normal, check the fuel pressure regulator and residual pressure in the fuel system. Verification procedure Remove the intake...

Checking the amount of fuel injected (petrol engine)
Verification condition The fuel pump relay and fuses 13 and 14 must be inserted into the sockets. Verification procedure Connect the adapter cable, 121-pin VAG 1598/31 and bridge...

Checking the fuel pressure regulator and residual pressure (petrol engine)
The fuel pressure regulator maintains the fuel pressure at a constant 4.0 bar. Verification condition Fuel pump performance should be normal. Verification procedure Unscrew the...

Removal and installation of the engine control unit (petrol engine)
If it is necessary to replace the engine control unit, connect the VAS 5051B diagnostic tester and perform the guided function "Replace control unit". Removal Turn off the...

Removal and installation of the engine control unit with anti-theft protection (petrol engine)
NOTE: If the engine control unit needs to be replaced, connect the VAS 5051B diagnostic tester and execute the guided function "Motorsteuergeraet ersetzen/Replace control unit"....

Checking and adjusting the position of the pump-injector pistons (diesel engine)
Verification condition The engine must be removed. Work execution procedure Remove the soundproofing cover and the cylinder head cover of the corresponding cylinder head. Remove...

Removal and installation the intake manifold (diesel engine)
Cars with engine letter designations AYH, BKW The fuel pump must be removed. Cars with BLE and BWF engines The bypass cover with the EGR cooler must be removed. Continuation of...

Removal and installation of the pump-injector (diesel engine)
Fig. 2.289. Components of the pump-injector: 1 - bolt 20 Nm + tighten by 1/4 turn (90°); 2 - lock nut, 30 Nm; 3 - adjusting screw; 4 - roller lever axis; 5 - spacer; 6 - bolt 12...

Replacing the O-rings of the pump-injector (diesel engine)
Removal Remove the pump injectors. Remove the O-rings from the unit injector with extreme care. Make sure that no burrs appear at the seating location of the sealing rings....

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Similar sections from other manuals for VW cars:
Power unit: Petrol injection system Volkswagen Passat B3 (1988-1993)