problems starting Kia Spectra 2006....first start no matter what time of day is fine..once I turn it off I have prob starting it again.It turns over but doesnt catch.I turn off & retry it starts

Have it read for codes, even if the check engine light is NOT on the computer will have stored information and codes. Discount auto stores will read codes for no fee. write them down. Check fuel pressure at the fuel rail how many PSI? Do this AFTER checking for codes

thanks will try that

Please post what you find out.

Check for a clogged fuel filter.