Engine Starts Then Dies Immediately
The engine starts but stalls right away, indicating a fuel, air, or security system issue. This is a consistent problem that prevents normal operation.
Diagnosis Details
Possible Causes
Faulty fuel pump or fuel pressure regulator – not maintaining pressure after start.
Dirty or failing mass airflow sensor (MAF) – incorrect air/fuel mixture.
Immobilizer or anti-theft system malfunction – engine starts then security cuts fuel/spark.
Related OBD-II Codes
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What You Should Do
Check fuel pressure at the rail; should hold prime.
Inspect MAF sensor for contamination.
Verify security light behavior on dash.
Scan for trouble codes.
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.
