What are some reasons why my car sputters when I press the gas pedal?

I’ve been so nervous this week about my car. It’s been starting but it makes a weird sputtering noise. What are some reasons why my car sputters when I press the gas pedal?

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Answer provided by
Bonnie Stinson
Answered on Jul 20, 2022
Fuel system problems are the likeliest reason why your car sputters when you press the gas pedal. The fuel system includes:
  • Filter
  • Pump
  • Injectors
Your spark plugs may be dirty, too.
Less likely causes for the sputtering are faulty O2 sensors, malfunctioning catalytic converter, or a bad gasket.
To know for certain, hire a skilled mechanic and ask for a fuel system inspection.
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