Second,  there is a small sensor that appears to be installed in a oil
passage on the plugs side of the engine.  Its toward the back and can be

seen

in the same pic with the sensor described in the paragraph above.  I

think it

is an oil temp sensor but still not sure.  It appears that this is the

usual

location of a oil pressure sensor on a 13B but I'm pretty sure that this

in

not a pressure sensor.  Again, any ideas would be helpful.  I have not

yet

been able to identify a sensor that looks like an oil pressure sensor.

Rob Weinstock wrote:

My 1990 13B has a sensor that looks just like it, in the same position, and
it provides water temp signal for the dashboard of the vehicle.

Rob

Really? That is interesting. Is it a turbo? This is definitely a knock
sensor. The screw hole that mounts this on all late rotor housings
does not go through to the water jacket.

Paul Lamar


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