I have a 1996 caprice it wont accelerate and when i step on the gas it makes a poppin noise what could that be
Check your spark plugs, wires and distributor/rotor. Sounds like an ignition misfire issue. Also check the timing.
I agree with Tom on possible ignition problem. If the engine has high mileage it could also be a worn out camshaft.
kindly check on the lead wires for replacement, also consider changing your spark plugs, oil and oil filter, and avoid use of uncontaminated fuel in your car..
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