Acura P1116: Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem
Is your scanner showing Acura P1116?
No worries. We'll show you what it means and how to deal with it.
Acura P1116: Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem
OVERVIEWWhat Does The Acura P1116 Code Mean?
A malfunction is detected if the following 3 conditions are present after the engine has stopped and the ignition switch has been turned to LOCK (0) for at least 6 hours before restarting the engine:
(1) When the temperature difference between the IAT and ECT1 is 57 ºF (32 ºC) or more.
(2) When the temperature difference between the IAT and ECT2 is 30 ºF (17 ºC) or more.
(3) When the temperature difference between the ECT2 and ECT1 is 73 ºF (41 ºC) or more.
NOTE: If DTC P0111 is stored at the same time as DTC P1116, troubleshoot DTC P0111 first, then recheck for DTC P1116.
What Are The Potential Causes Of The Acura P1116 Code?
- Poor connections or loose terminals at ECT sensor 1 and ECT sensor 2
- Faulty ECT sensor 1
- Faulty ECT sensor 2
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Delphi TS10180 Engine Coolant Temperature Sensor
>>> 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 P1116, DTCDECODE.
