Auto-Union OBD Trouble Code 25

Auto-Union Problems For OBD Code 25

Idle air control motor circuits
A short is detected in one or more of the idle air motor circuits.

A short condition detected in the idle air control motor

Automatic Idle Speed (AIS) motor driver circuit shorted
target idle not reached, vacuum leak found

manifold air temperature (mat) sensor or circuit - high temperature indicated (1990 and earlier models)

and 26 Air fuel ratio fault (for ES300 SC300 models)

Check 25 OBD1 Code For All Auto-Union Models

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