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Acura DTC

Acura DTC P1167

Manufacture

Acura DTC

Code

P1167

Definition

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

Description

Engine runtime over 80 seconds, and the PCM detected an unexpected voltage condition on the A F sensor Heater circuit.

Cause

  • A F sensor heater power supply circuit is open (check the fuse)A F sensor heater circuit is shorted to system power (B+)A F sensor heater is damaged or has failedPCM has failed

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