Re: ITB Conversion on 16 valve 4AGE On my stock bigport AW11 a leaking exhaust manifold gasket brought on the O2 sensor to read through lean and it pumped gasoline into the motor. Gasoline economic climate plummeted until I sorted it out.03 toyota runx rsi spares have the next components offered 4x doors bonnet fender r & l front bumper fogs he… Read More