shadetreemobile Posted August 29, 2018 Share Posted August 29, 2018 What is the switch/sensor/meter on top of the thermostat housing on my 1987 rx turbo sedan? It seems to meter crankcase blowby into the intake. What does this do? Control cold idle? Link to comment Share on other sites More sharing options...
idosubaru Posted August 29, 2018 Share Posted August 29, 2018 1 Link to comment Share on other sites More sharing options...
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