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Re: 1988 buick park ave problem
1. clogged or partially clogged fuel line 2. clogged fuel filter " note some models have more then one but it is usually the inline filter" 3. bad spark plugs...they could be burned or not gapped right" 4. bad injector's' I hope this helps you....if not consult a local mechanic.
if still does not help
Have vehicle scanned to determine the problem .
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As a first course of action, I strongly suggest that you replace the transmission fluid. If the fluid is burnt, the car tends to shift hard. If the problem still persists, replace the torque converter. The torque converter controls the shifting and once replaced a smooth ride is noticeable.
Hope this helps and thank you for using FixYa! Have a good one!
Have your Catalytic Converter checked for free flow, (if it is stopped up with calcification from unspent fuel, then the car will have trouble moving at all). A tell tale sign of oncoming Catalytic Converter problems is the overdrive balking or wanting to hesitate, when the transmission is in overdrive the vehicle is running at its lowest r.p.m. and so like at idle it will stumble or hesitate, or cut the engine altogeter, for the motor has to be able to exhale, to exhaust its combustion gases, in order to run properly, stopped up catalytic converters are a big problem with this car.