i have already put a bottle of stp injector cleaner and a full tank of chevron gas in the car.
i did another diagnostic, and this time got a code 42 "vehicle speed sensor." im thinking this has nothing to do with my problem, and everything to do with the fact my speedometer stopped working because i accidently broke the cable replacing the heater core(not a fun job!)
what does the ecu need to know the vehicle speed for anyway? the misfire problem began before my speedo cable troubles.
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