The first thing you shuld do - is to run self-diagnostic systems and read errors on ECU. It's very simple to do. TRSM will help you.
It may be ISCV, MAF, TPS, throttle itself, holes in intake or vacuum pipes and so on...too many things...
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ex '87 MA70 7M-GTE, A/T, targa, rhd
ex '87 GA70 1G-GTE, M/T, targa,rhd
now '90 JZA70, 1JZ-GTE(swap), M/T, targa, lhd
18 inch PIAA Rozza wheels, HKS blow-off, Apexi turbotimer, XTD stage 3 racing clutch, AEM air filter, JZA80 fuel pump, 4-piston Skyline GT-R front brakes, Blitz boost-controller, high performance exhoust system
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