My Kia Optima 2.4L guzzles fuel like mad,please what could be the cause?

Asked by nony May 13, 2014 at 12:20 AM about the 2004 Kia Optima LX

Question type: Maintenance & Repair

3 Answers

62,795

It can when it gets plugged up. The O2 sensors when defective will send the wrong information to the ECU (the car's computer) and give it a gas rich mixture. Do you have any lights on on dashboard?

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