audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fuel Injectors, Checking for Leaks, Injection Quantity and Spray Pattern|Page 3417 > < Fuel Injector|Specifications|Page 3414
Page 1
background image

Fuel Injector: Testing and Inspection
Fuel Injectors, Checking for Leaks, Injection Quantity and Spray Pattern

Fuel Injectors, Checking for Leaks, Injection Quantity and Spray Pattern

Special tools, testers and auxiliary items required

‹› Remote control (V.A.G 1348/3A) with adapter cable (V.A.G 1348/3-2)

‹› Connector test set (V.A.G 1594C)

‹› Adapter cable, 121-pin (V.A.G 1598/31) (test box)

‹› Injector quantity testing device (V.A.G 1602 )

Work procedure

‹› Fuel pressure OK, checking => [ Fuel Pressure Regulator and Residual Pressure, Checking ] See: Fuel Pressure/Testing and Inspection.

-

Remove intake manifold => [ Intake Manifold ] See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair/Intake Manifold.

-

Remove fuel rail with fuel injectors installed => [ Fuel Rail with Fuel Injectors Assembly Overview ] See: Service and Repair/Fuel Rail With Fuel
Injectors Assembly Overview. Fuel line remains connected.

Checking for leaks

-

Press both latches in direction of - arrow - and remove engine compartment E-box cover.

-

Remove fuse in "position 1" - arrow - from " fuse holder 2" (brown) - item 2 -.

Fuel Injectors, Checking for Leaks, Injection Quantity and Spray Pattern|Page 3417 > < Fuel Injector|Specifications|Page 3414