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FC runs but does not idle

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Old Sep 24, 2022 | 01:17 PM
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FC runs but does not idle

I recently got my engine rebuilt on my 1989 GTU.
I got my car to crank and start, but it won’t idle. I checked the codes and getting codes 2 (crank angle sensor Ne) and 20 (MOP position sensor). Would it be recommend replacing both of them or can it be diagnosed? There was also a spark that came out of the engine bay that I think was from a bad ground on the intake manifold. Could bad ground cause it to not want to idle?
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