Power Loss and Jerking During Hard Acceleration
The vehicle experiences power loss, weak acceleration, and jerking or hesitation specifically during hard acceleration. This suggests a fuel, air, or ignition delivery issue under high load conditions.
Diagnosis Details
Possible Causes
Clogged fuel injectors or weak fuel pump
Malfunctioning spark plugs or ignition coils
Mass airflow sensor (MAF) or throttle position sensor (TPS) fault
Vacuum leak or restricted air filter
Transmission slipping or torque converter issue
Related OBD-II Codes
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What You Should Do
Check fuel pressure and injector operation; inspect spark plugs and ignition coils for wear or misfire; clean or replace MAF sensor; test throttle position sensor; inspect air filter and vacuum lines; if symptoms persist, have transmission diagnosed.
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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.






