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I have had my sc3 w the 1jzgte for about 2 years and havent really had any issues until now. Afew months ago i was driving and after leaving the highway lost engine power, the car just went into idle. When i would give it gas it would rev to 2000 and cut out. The only way to drive it home was to switch gears at 2000 to avoid the cut. I started the car up later that day and it ran perfect. I didnt have any issues until recently when the problem has returned. It starts when i leave the highway. Is this fuel cut or electrical cut? I have a greddy bcc aka fuel cut controller, could that be the issue or is it a maf or tps sensor? Let me know what you guys think. Thanks.