DTC P1582 Audi
Idling Speed Regulation Adaption Limit Reached
Idling Speed Regulation Adaption Limit Reached
Description
Signal low >4.571 V, Signal high <4.037 V, Potentiometer used in reversed logic (adaptive values).
Cause and Solution
Crankcase oil is diluted (change the oil)
Fuel injectors are worn
Compression ratio is low
Throttle valve control module is faulty
Leak Detection Pump has failed
EVAP canister system has an improper or broken seal
Evaporative Emission (EVAP) canister purge regulator valve 1 is faulty
Hoses between the fuel pump and the EVAP canister are faulty
Fuel filler cap is loose
Fuel pump seal is defective, faulty or otherwise leaking
Hoses between the EVAP canister and the fuel flap unit are faulty
Hoses between the EVAP canister and the evaporative emission canister purge regulator valve are faulty
Video Guide
Diagnostic Info
- DTC Code: P1582
- Brand: Audi