Troublesome factory tach
After letting the car sit for several days then going out to drive it the tach occasionally doesn't move off zero until starting to drive down the road and getting above 1500rpms. Other times (not often) it can be about 100rpms off highway cruising speeds. (60mph is around 2K but it will read btwn 1800 and 1900.) Anyone know how to fix or at least where to look besides getting an aftermarket tach. Thanks.
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95 GT w/ AODE and Transgo Shift kit, trans cooler, SpeedCal, KB 1.5 Flowzilla w/ 6# pulley, MAC chrome CAI, chrome radiator hoses, stock MAF w/ center post removed, 70mm PP TB, electrical boost & FP gauges, digital A/F gauge, 1 5/8" unequal headers, 2 1/2" ProChamber h-pipe, Borla catback exhaust, and 3.55's. Cobra RR hood, Saleen double wing, Xenon body kit, chrome Cobra R wheels 17X8 in front and 17X10.5 in the back.
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