Poor Fuel Mileage and running rough

Asked by May 22, 2016 at 02:30 PM about the 2012 Kia Rio EX

Question type: Maintenance & Repair

I have a 2012 Kia Rio that gets really poor gas mileage,runs rough when idling, and engine pings and rattles, any ideas as to what it may be?

2 Answers

237,215

Any lights lit up on the dash like a service engine soon, or check engine?

260

have you recently had a tune up? make sure all coils or spark plug cables are properly connected.

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