my 1994 Chevy 1500 350's rpm gauge keeps serging up and down It also sputters during acceleration and at 55 60 mph it bogs down or surges in power and speed. Can anyone tell me were to start trouble shooting, It also has a spark in the dark up by the distributer cap
sputters during acceleration, surges on the highway bogging down every few seconds, rpm gauge is constantly surging up and down, does back fire alittle when I punch the gas and I think there is a spark from a spark plug wire up on the distributer cap on the carb side every few seconds.
When was the last time you changed the spark plugs and wires?
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