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The 5017114AA repair kit is only for the engine fuel injector wiring harness on top of the intake manifold. The problem that you are having is in another part of the engine compartment, probably between the engine and PCM, the PCM or the PCM and body ground.
You will need an engine compartment wiring diagram with wire colors and splice/connector locations to make diagnosis easier and an ohmeter to find the 'high sensor signal/bad ground' issue.
It could be a bad connection at a component connector, intermediate connector, broken wire(s) or failed PCM.
Depending on where the open circuit is, you may try running a ground to the sensors directly and see if that cures the codes.
 
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