Its probably the vehicle speed sensor located on the transmission. Mine had that problem
Stop driving it
The speed sensor on a 1999 Kia Sephia is located on the transmission. It is just behind the bell housing for the transmission.
Go to your local mechanic
The 1999 Kia Sephia is compatible with Dexron III automatic transmission fluid (ATF). The Sephia can also use Dexron/Mercon and Mercon LV ATF.
how to set your gears for timing belt on 1999 kia sephia
wiring digrams
1.8l dohc
There are 4.
The taillights on a 1999 Kia Sephia are replaced through the cars trunk. Remove the plastic covers from the light housings and replace the bulbs.
in the fuel tank
15.8 gallons
185/65/r14 h