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What is your question?
It happens almost all the time in stop and go traffic. And sometimes the rpms jump up really high with out pressing gas pedal
What makes this problem better or worse?
It hesitates some time when i stop and then go
How long has your 2003 Kia Optima had this problem?
3 months
1 Reply
Symptoms are NOT indicative of O2 sensor failure - regardless of stored code.
Recommend comprehensive ‘scan test‘ by professional personnel.