MPI GT40 water temp sensor R020024
PCM GT40 all years, sends temp to the ECM for enrichment mode.
# 69 in the PCM parts book.
An engine temperature sensor is an important part of your engine that is not often heard of but it plays a very important role in the engine’s overall performance. Lots of essential engine operations rely on the engine temperature sensor to work efficiently such as the fuel injection timing, ignition timing, and air to fuel mixture ratio selection.