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Fixed this issue... somewhat. I put the stock MAF on and it idles completely fine on cold start. Once the engine heats up, it will start to idle rough and my A/F ratio at idle is in the low 10's.
The car came with a ISR 255 pump, so i'm thinking maybe the fuel pressure is too high and causing it to run way too rich which could cause the bad idle once warmed up. I have an adjustable FPR, but before I install that I was just seeing if anyone had any other suggestions.
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