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My 87 LSC has DTC codes 23-TPS out of range, and 95- Fuel pump circuit open pcm to motor. Car started out hesitating and would take longer to start, then it wouldn't start every once in a while, now it won't start. With my fuel pressure gauge hooked up at the rails though it reads 42 psi when...

I just converted my 87 LSC to MAF with the A9L computer. It started up and idles ok but a little rough. When I accelerate it bucks. It almost feels like detonation but I'm not sure. Timing is set at 14 degrees and car ran good before MAF swap. Only idle fluctuated and stalled before with the SD...