A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
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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:
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Check for false air in intake air system. See: Powertrain Management/Fuel Delivery and Air Induction/Testing and Inspection
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Check throttle valve control module. See: Powertrain Management/Computers and Control Systems/Electronic Throttle Control Module/Testing
and Inspection
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Evaporative Emission (EVAP) canister purge regulator valve always open, checking. See: Powertrain Management/Emission Control
Systems/Evaporative Emissions System/Canister Purge Control Valve/Testing and Inspection
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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
