also with a 93 you can boy a obd 1 which is just a little box with a light on it and a haynes manual and run the codes yourself

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94 2.3 5 speed regular cab,no intake muffler, ,k&n air filter,silverstar headlamps,aftermarket driving lights,cd player,aftermarket shift knob, looking to buy and install cold air intake,performance exhaust and chip if i can find one.