A misfire occurs when an engine cylinder fails to combust the air-fuel mixture properly. This can manifest as a rough idle, reduced power, poor fuel economy, and increased emissions. For example, a faulty spark plug might prevent ignition, leading to unburned fuel exiting the exhaust system.
Continuing to operate a vehicle with this condition can lead to significant and costly damage. Unburned fuel can overheat the catalytic converter, potentially destroying it. Furthermore, raw fuel can contaminate the engine oil, diminishing its lubricating properties and accelerating engine wear. Addressing the underlying cause promptly minimizes the risk of these problems and maintains the vehicle’s overall health and longevity.
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