THE FACT ABOUT JDM TOYOTA 4A-GE THAT NO ONE IS SUGGESTING

Re: ITB Conversion on 16 valve 4AGE On my inventory bigport AW11 a leaking exhaust manifold gasket prompted the O2 sensor to examine lean and it pumped gas in to the motor. Fuel economy plummeted until I sorted it out.4a. I'd declare that it might be prosperous at idle because the excess air leaking thru the throttles is dropping the manifold vacuu