1996 GT tach jumps spastic. - Ford Mustang Forum
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post #1 of 1 (permalink) Old 01-31-2014 Thread Starter
Island Guy's Avatar
Joined: Nov 2013
Location: Hilton Head
Posts: 60
1996 GT tach jumps spastic.

Yesterday noticed when I accelerate the needle jumps up maybe 300 to 500 RPS at the time then settles down where it should be. Same when DE-celerating drops in increments of 300 to 500 RPM's then at idle in gear or not it sits still where it should be. Thought maybe a RPM sensor on the distributor or wherever going bad. 39,000 on it now auto tranny convertible sat in a garage for extended periods wealthy Lady owned it was her play toy dream car bought it new. I've had it about two months now.
Thought about going by auto parts let them see if any stored codes but check engine light is not on. Your help appreciated.

Doubt this is related but the right front emergency blinker wouldn't work. Took by shop said the bulbs are good tech took the soft bottom of his fist pounded on the switch and SHAZAM it started working. Reckon just sitting took it's toll the switch got corroded or whatever. Working fine now.

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