sensors not working on a manual car amounts to ur instrument cluster not properly showing the readings. At least the best manual car out there is like that
theres going to be exceptions to that statement, i think namely that some do have to talk to the ignition system. it seems to me that a lot of the wiring for sensors on all my cars is explicitly to make the egr work properly, and to make the egr, tps, distribution location system, and vss all talk to the tcc right. and a manual does not have that. Some things have to talk to the spark system and the air intake system for it to properly differentiate between stopped full throttle and moving. but i think that cutting out the tcc removes something close to 10 or 20 other circuits that dont need to exist.
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