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View Full Version : Kia Sephia lost half it's power?


Vila H
09-13-2009, 03:28 AM
Hi, Im a 17 year old girl who knows nothing about cars. @.@ But Im asking this for my dad, because he doesn't know exactly what happened.

Well, It seems that the Sephia has lost half it's power. It starts fine. It's not the fuel, because the fuel pressure is fine. He's changed coil, the stripper cap, condencer, plugs, and plug wires. We've also replaced the Mass Air Flow censor, and checked all vacumme hoses.

But the idea is catalytice converter.. But, We are not positive.

Do you have any ideas? Anything will help! ^-^

(The sephia doesn't leak, doesn't smoke, and doesn't overheat)

Thank you!