THE 5-SECOND TRICK FOR 4AGE 20V

Re: ITB Conversion on sixteen valve 4AGE On my stock bigport AW11 a leaking exhaust manifold gasket caused the O2 sensor to read through lean and it pumped gas in the motor. Gas financial system plummeted till I sorted it out.The point that the ISCV won't appear to be Functioning can be an ECU problem, or even a wiring challenge, or an ISCV trouble