Bummer I had this problem in my 96 dodge. It turned out to be partly clogged fuel injectors, because of a bad fuel filter. When the throttle is low there is not quite enough fuel or it is not consistent in each each cylinder.
My advice, replace the fuel filter if you can, then try some of that fuel additive to clean fuel injectors.
Then shop around and find a shop that can rebuild the injectors. Careful, most places will say you have to replace them, go somewhere else that swears they can rebuild them. It should cost around 60 to 80 bucks for each injector and you should do all at once.
SOURCE: 1999 dodge ram 1500 4x4 5.9 automatic trany trouble
sure sounds like tourqe convertor lockup switch
SOURCE: I have a 1995 Chevy
Mine did the same thing - not sure if yours is a 5.7 liter or not. Mine is, it's the LT1 engine and has the police package. Not sure if it's the same with the smaller engine, but if it is it could be something leaking over your distributor (water pump, coolant line,leaking oil getting sprayed upwards by the serpentine belt) which is an opti-spark. They are terrible and are labor-intensive to replace. It can be expensive and time-consuming unless you find someone who REALLY knows what they're doing - which isn't easy these days. Look up opti-spark, everyone hates it.
SOURCE: location oil pressure unit on 98 chevy 305
rear of intake manifold, approx center. U will need a special oil sender socket to replace it
SOURCE: 1995 chevy g30 van
If vehicle was left outside or in an unheated garage, there is a strong possibility that condensation has contaminated your fuel. Easiest way to check is to remove fuel filter and pour contents into a glass jar. If you see two different layers of liquid in the jar, the bottom part is water. Replace with new filter and drop the tank. Remove sending unit. pour contents into a large container and clean out inside with clean dry rags. Remember, fuel is dangerous to work with and fumes travel pretty far on the ground. So, no open flames electrical stuff, cigarettes etc for a good perimeter around work area. Generally, you can re-use top 3/4 of fuel you removed by syphon. Don't use remainder in your vehicle. Part can be used for lawnmower etc as long as you only take the part above the water line.
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