"did you check cylinder compression and may have a vacuum leak at intake manifold,a faulty map sensor can also cause a missfire too, check voltage at all the wires going to the sensors with harness unhooked from computer and see if they are around 5…"
"did u clear codes ?? before and after u put new parts in ?
i don't know but mine be running on a old map or code ...
i know i had a bad Cam sensor an put new one in and it didn't run till i cleared code ..."
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