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Flashing Check Engine Light: What It Means & What to Do

Severity: High Stop or minimize driving and get it looked at right away.

What it means

A blinking check engine light almost always means a severe misfire is happening right now. Unburned fuel can overheat and destroy the catalytic converter.

Typical color: Amber/yellow, blinking

Colors & variants

  • Flashing only under acceleration
  • Flashing constantly

What to do

  • Reduce speed and avoid hard acceleration
  • Drive only as far as needed to get somewhere safe
  • Have the code read as soon as possible

Related engine codes