Acura P1166: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
Is your scanner showing Acura P1166?
No worries. We'll show you what it means and how to deal with it.
Acura P1166: Air Fuel Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
OVERVIEWWhat Does The Acura P1166 Code Mean?
Engine runtime more than 80 seconds; and the PCM detected an unexpected voltage condition on the A/F sensor heater circuit.
What Are The Potential Causes Of The Acura P1166 Code?
- A/F sensor heater circuit is open or shorted to ground
- A/F sensor heater is damaged or has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> ZBN 234-5010 Oxygen O2 Sensor Upstream Front and Rear
>>> Acura Engine Control Module
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1166, DTCDECODE.
