EVERYTHING ABOUT JDM TOYOTA 4A-GE

Re: ITB Conversion on 16 valve 4AGE On my inventory bigport AW11 a leaking exhaust manifold gasket brought on the O2 sensor to browse lean and it pumped gasoline in the motor. Gas overall economy plummeted till I sorted it out.4a. I might say that it is probably wealthy at idle because the more air leaking thru the throttles is dropping the manifol