my engine is b16a and i modiefied to 2L...everytime when i`m at gear 5 and my vtec open at 5k rpm..my engine check light will on...i had went to check a lot time but the mechanic still cant fix it...some of it say not enough electrric n some say not enough petrol....both thing i also check it n it was no problem....so did anyone can pls help me....