A4 Sedan L4-1.8L Turbo (AWM) (2001)
If idle speed is too high or low and there are no DTCs in DTC memory, the following tests (marked with dots) must be performed:
-
Check for false air in intake air system. See: Fuel Delivery and Air Induction/Testing and Inspection
-
Check throttle valve control module. See: Computers and Control Systems/Electronic Throttle Control Module/Testing and Inspection
-
Evaporative Emission (EVAP) canister purge regulator valve always open, checking. See: Emission Control Systems/Evaporative Emissions
System/Canister Purge Control Valve/Testing and Inspection
-
Perform adaptation of throttle valve control module.
Significance of 5 digit indication of display group 056
Significance Of 5 Digit Indication Of Display Group 056