okay i know vtec should kick in at 5500 rpm, but for some reason mine engage at 4500 rpm. I have a obd2 car completely rewired for obd1 with an obd 1 gsr motor. I check the vtec wiring and its okay. Im also running a stock p72 ecu and only thorwing code 41 for my secondary o2 sensor. So here is...
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