
Flashing Check Engine Light During Acceleration
A flashing check engine light indicates a severe misfire that can damage the catalytic converter and other engine components. Immediate diagnosis and repair are required.
Diagnosis Details
Possible Causes
Ignition system fault (spark plugs, ignition coils, or wires) causing cylinder misfire under load
Fuel delivery issue (clogged injector, fuel pump, or pressure regulator) leading to lean misfire
Vacuum leak or intake manifold gasket failure causing unmetered air entry
Related OBD-II Codes
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What You Should Do
Stop driving immediately to prevent catalytic converter damage.
Have the vehicle towed to a repair shop.
A technician will retrieve diagnostic trouble codes, inspect ignition components, and perform a misfire diagnosis.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.



