GTIR1000
Member
went out in the r the other day to petrol station started it up oil pressure went up to six down to four then once warm when idling at 2 then all of a sudden it stred to drop to 1 when idiling didnt think much of it took it for spin round town gave it some a few times holding boost fine no smoke nothing then it stayed the same back to normal 2. then today just took her for a run got pretty warm and agin at idiling pressure stared to drop to one even a bit below at idling. yet i took her out between the first time of it doing it and today and she was fine what could this be