no clean it , use CRC Maf sensor cleaner, from 12" distant
carefully .
the maf can last the life of an engine, 300k, easy, if cleaned time to time... at the 30k service?
first google hit P1 means toy only code, (factory)
P2112 Toyota - Throttle Actuator Control System - Stuck Closed
Possible causes
-
Throttle Body Plate Binding
- Faulty Throttle Actuator
- Throttle Actuator harness is open or shorted
- Throttle Actuator circuit poor electrical connection
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