check engine lite on code was po455 put new gas cap on

What is your question?

and evaporative canister hose on lite went out and had lite cleared obd .had oil changed ,radiator flushed,at the same time and a code p0153 showed up when obd was cleared they said slow responce o2 sensor .got jeep home stop car and started car now it skipps lit is back on and blinking . please help .and god bless