if a thump on the dash fixes it temporarily,
#1, remove and check interface connections.
#2, check other wiring loom connections like where they connect to the body.
if that doesn't work, replace tech with a donor from a junkyard. i had
a bad one on my crx, so i know they go bad sometimes.
other possibility is a failing igniter, but you'd probably have other
symptoms by now.
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