1. Key Signs That Your Spark Plugs Need Replacement Engine Hesitation or Sluggish Acceleration: If you feel your vehicle is struggling or delaying when you press the accelerator pedal. Increased Fuel Are faulty spark plugs the cause of my car jerking under acceleration? Torque 7 Symptoms of a Bad or Worn Spark Plug If your car is not running smoothly, a worn spark plug could be the reason. 1 Hard Starting When the spark plug is I did an oil change and spark plugs and now my car is shaking at 45 50 mph what could it be ? The spark plugs are gapped and I changed the coils What are the Symptoms of Bad Spark Plugs? Tom Kadlec Kia
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can bad spark plugs cause vibration when accelerating One misfiring plug cause shuddering while accelerating?