How Bad Fuel Injectors Affect Car Performance

Discover how a bad fuel injector impacts your car's performance and learn essential maintenance tips.

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A car with a bad fuel injector may experience poor performance like rough idling, misfires, reduced fuel efficiency, and increased emissions. Symptoms to look out for include: engine stalling, uneven acceleration, and the Check Engine light coming on. To resolve this issue, consider cleaning or replacing the faulty injector and run a diagnostic check to ensure the proper functioning of all injectors. Regular maintenance can help prevent these issues and keep your car running smoothly.

FAQs & Answers

  1. What are the symptoms of a bad fuel injector? Symptoms include rough idling, misfires, reduced fuel efficiency, engine stalling, and the Check Engine light activation.
  2. How can I fix a bad fuel injector? You can fix a bad fuel injector by cleaning or replacing it, along with running a diagnostic check on your car's fuel system.
  3. How often should I maintain my fuel injectors? Regular maintenance is recommended every 30,000 to 50,000 miles, but check your vehicle’s manual for specific advice.
  4. Can a bad fuel injector increase emissions? Yes, a bad fuel injector can lead to incomplete combustion, resulting in higher emissions from your vehicle.