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Model Year Affected: 1998
If the screws holding the case of the powertrain control module (PCM) are not tight, the tachometer may fluctuate or bounce from 300 to 1000 RPM while driving at a steady speed.
Q&A > Plymouth > 2000 Plymouth Neon
Q&A > Plymouth > 1998 Plymouth Neon
Q&A > Plymouth > 1996 Plymouth Neon