have code p452 fuel pressure sensor. how can i test it w/o kia adapter cable. i have digital multimeter [not great at using it ] hole down nut rusted on sensor .need asp as its for my daughter for college. thanks K:runaround:code is for low voltage input i didnt put this in origanal

THis is about fuel tank pressure
www.avigex.ca/kia/P0452.pdf
Normally it does not impair car operation; make sure fuel tank filler cap is tight.

i have this web sight and same diag. but i was wondering if theres ant way to know what wires [ie,.wire color at ecm ] as i dont have the wire harness to use. thanks for replying K