Hi everyone, been having an issue with p1081 code and p0455 fixed p0455 bad purge valve the one near top of radiator code gone but still have the p1081 checked for vacuum leak nothing found, researched and found 75 persent of people have said its the Immobilizer Antenna Ring 58 dollars at fcp or 93 at volvo near my house, i did clean a few items including the antenna ring last time i cleaned it with electrical spray cleaner it went for five days no problem today my daughter went to the store when she left, it cranked twice did not start on the third try took key out put back it started while driving she noticed a little hesitation on the way home it happened again at a stop it shut off waited 30 seconds put the key in it started again it happend twice other wise it ran ok i need some help please can't afford any major work on it right know.

Thanks for the help.