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Acura DTC

Acura DTC P1166

Manufacture

Acura DTC

Code

P1166

Definition

Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction

Description

Engine runtime more than 80 seconds; and the PCM detected an unexpected voltage condition on the A F sensor heater circuit.

Cause

  • A F sensor heater circuit is open or shorted to groundA F sensor heater is damaged or has failedPCM has failed

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