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i also have a vx ecu which is for p07 and p28 but only with 5wire o2 sensor.i tried it and it dont work either. i cant rev higher than around 5. it wont let me. is there any other way to check for problems or a real p28 is the only way to go/?

so i got the d15b vtec motor for my 95 hatchback. I had a p06 ecu which i got someone to chip it to a p28 for the vtec. i also have the wiring from the vtec solenoid and oil pressure switch to the ecu everything seems to be okay but check engine light wont go off and vtec dont work. i am using...