did you use teflon tape round your oil pressure gauge if not you need to do that cause mine did the same thing and metal on metal in any type of pressure gauge does not mix...now on to the second thing the 9200 rev ...you could have blown something not sure doesnt sound too good thats why i have a rev limit (you got a chipped ecu diddnt you w/o the rev limit...should have go it chipped wit a rev limit oh well) see if that helps man