DTC P1167 Acura
Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
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 and Solution
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 failed
Video Guide
Diagnostic Info
- DTC Code: P1167
- Brand: Acura