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Subaru funny issue

Matt Barker

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I have a legacy running a storm wire in with a ej20 single turbo setup. After a road tune I have done about 500'ks then a funny problem has come up. It cuts under load, its like a revcut or boost cut. after some testing it appears to occur just before 5PSI is hit, if I back off the throttle i can get it to rev higher but when the load goes on it cuts. I have replaced the plugs and coil packs. I turned off the map cut and rev cuts and it still happens, seams to be happening just over 3000 rpm.

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