Chevrolet P1187: Engine Oil Temperature Sensor Low Input
Is your scanner showing Chevrolet P1187?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1187: Engine Oil Temperature Sensor Low Input
OVERVIEWWhat Does The Chevrolet P1187 Code Mean?
Engine runtime over 30 minutes; and the PCM detected the Engine Oil Temperature (EOT) sensor was more than 306ºF for 4.5 seconds. The ECT and EOT sensors should be within a few degrees after sitting overnight.
What Are The Potential Causes Of The Chevrolet P1187 Code?
- EOT sensor signal circuit is shorted to ground
- EOT sensor is damaged or it has failed (possible short circuit)
- 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:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> ACDelco Professional 213-4514 Engine Coolant Temperature Sensor
>>> GM Genuine Parts 12633238 Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
