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
Faulty spark plugs or ignition coils causing misfire under load
Fuel delivery issues (clogged injectors, weak fuel pump, or contaminated fuel)
Vacuum leak or intake manifold gasket failure
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 (DTCs) and inspect ignition system, fuel system, and engine mechanicals.
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.



