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Kiatech, Kia Master Technician
Category: Kia
Satisfied Customers: 210
Experience:  30+ years experience,ASE certified,KIA certified Master Technician,Ford factory trained
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Kia Optima LX: i have a 2004 kia optima 136k miles. It will

Customer Question

i have a 2004 kia optima 136k miles. It will start but there is no real power. it chugs on acceleration and will slowly come up to about 45 mph. i have replaced the mass air flow sensor and the throttle position sensor with out any results. any idea what could be wrong?
Submitted: 2 years ago.
Category: Kia
Expert:  K. Wiggins replied 2 years ago.
Hello, is the check engine light on and if so have you retrieved any diagnostic codes?
Customer: replied 2 years ago.
Yes, only P0069 only code
Expert:  K. Wiggins replied 2 years ago.
Thanks, ***** ***** the 4 or 6 cylinder model?
Customer: replied 2 years ago.
6 cyclinder