volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Intake Air System, Checking For Leaks (False/Unmetered Air)|Page 3187 > < Intake Air System, Checking For Leaks (False/Unmetered Air)|Page 3185
Page 3
background image

If engine speed drops or if the short-term gasoline-air ratio changes:

-

End diagnosis and switch ignition off.

-

Check sprayed part of intake system for leaks, and repair the malfunction.

-

Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.  See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Read Measuring Value Blocks (Function 08)/With Generic Scan
Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data

-

Generate readiness code.  See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

Intake Air System, Checking For Leaks (False/Unmetered Air)|Page 3187 > < Intake Air System, Checking For Leaks (False/Unmetered Air)|Page 3185