Audi AMB Service Manual page 459

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
Fig. 172: Ignition Coils, Ground Wire And Connectors
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Disconnect connectors - 3 -.

Pull out ignition coils - 1 -.

Use spark plug wrench 3122B to remove spark plugs.

Disconnect connectors from all injectors.

Fully open throttle valve.

Check compression with compression tester VAG1381 or VAG1763.

NOTE:
Using the compression tester.

Operate starter until tester shows no further pressure increase.

Compression pressure
New (bar)
9.0...14.0
Install spark plugs and ignition coils.

NOTE:
Replace gaskets for ignition coils if damaged.

Check Diagnostic Trouble Code (DTC) memory: --> Guided Fault Finding in VAS5051 - 01 ON

BOARD DIAGNOSTIC (OBD)
NOTE:
Diagnostic Trouble Codes (DTCs) will have been recorded in DTC memory

because connectors have been disconnected. Check and, if necessary,
erase DTC memory after completing check.
2005 Audi A4 Quattro
Wear limit (bar)
7.5
2:34:42 AM
Difference between cylinders
Page 22
(bar)
max. 3.0