DTC P1166 Acura
Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
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 and Solution
A F sensor heater circuit is open or shorted to ground
A F sensor heater is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P1166
- Brand: Acura