PCM Diagnostics & Tuning HP Tuners | Diablo | Pantera EFI

No rpm in hp tuners scanner suite

Old 07-11-2016, 06:47 PM
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Default No rpm in hp tuners scanner suite

So I just fired up my swap for the first time and when running the scanner program everything seems to be reading o2's voltage, tps, etc. but no rpm while cranking or running. Any ideas? I have seen some people say cam senior could be backwards but that was an ls2 to ls1 thing I guess.
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Old 07-28-2016, 07:54 PM
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I've seen that happen when crank position sensor was pinned wrong. I believe it was A & C were swap if I remember correctly.
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