Car is an 84 318i.
Its obvious to me that the one on the radiator is for the electric fan, but there are multiple other temp sensors in the coolant path. Which is which? One for ECU and one for gauge I presume, maybe even a separate one for a cold start circuit.
I'm battling an inoperative temp gauge (the needle moves a tiny bit when powered up, but no temp signal) as well as a permanent high idle condition which leads me to believe that the car thinks its always cold and in cold-start mode dumping excess fuel. I have Chiltons, but its got about 20 different cars and lacks pictures or descriptions that I need for this.
Its obvious to me that the one on the radiator is for the electric fan, but there are multiple other temp sensors in the coolant path. Which is which? One for ECU and one for gauge I presume, maybe even a separate one for a cold start circuit.
I'm battling an inoperative temp gauge (the needle moves a tiny bit when powered up, but no temp signal) as well as a permanent high idle condition which leads me to believe that the car thinks its always cold and in cold-start mode dumping excess fuel. I have Chiltons, but its got about 20 different cars and lacks pictures or descriptions that I need for this.
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