02 sensor melted...
 

My truck has been burnin rich I tried a few things switched out the fyel pressure srnsor throttle positioning sensor before I climbed under and looked more closely at the o2 sensors my front passenger connection is melted together basicly wat im askin is how do I switch the female connector out so I can put a new sensor in do I cut it and splice in back in or is there a plug in somwhere on the block I can change out?