my guesses - plugs - coil pack - fuel injector
My car has 180000 miles.
My car has an automatic transmission.
Hello there. Many common faults could cause your vehicle to have a cylinder #2 misfire. The most common faults are the spark plugs, spark plug wires, coil, fuel injector, a vacuum leak, or low compression in the #2 cylinder. Given that the gas treatment temporarily fixes the issue, it is likely that the fault is on the fuel system side. A qualified technician, such as one from YourMechanic, will be able to diagnose your engine misfire and make any repairs required to get your vehicle running normally again.
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