Guide step
Why it flashes
A flashing MIL usually warns about severe misfire rather than a minor stored fault.
Guide page
Can You Drive With a Flashing Check Engine Light?
Short answer: usually stop driving if possible, because active misfire can damage the catalytic converter quickly.
Guide step
Immediate next step
Reduce load, avoid high RPM, and scan codes as soon as practical.
Guide step
What to inspect first
Focus on ignition, injector operation, and any signs of mechanical imbalance.
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Related codes
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Related symptoms
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