engine vibrates during acceleration
#1
engine vibrates during acceleration
New to forums. 93 Taurus idles good, no check engine light, but engine has a slight miss/sputter during heavier accleration (i.e. climbing inclines, entering freeways). I've already changed fuel filter, used fuel inj. cleaners, air filter, new coil, newplugs/wires/cap/rotor twice in 12 months (just out of curiosity). My heater door flapper (inside duct) changes directions during heavier acceleration as well (can't find leak in vacuum lines). Any help would be appreciated.
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