i got a 94 accord ex with a 94 h22a1 when the car is cold the car is in limp mode i understand that is normal then when the car warms up the vtec works and it redlines at 8200 that is normal also then whel the car warms all the way up for some reason it goes back into limp mode i dont understand it my oil level is fill and i dont have a check engine light please help i am thinking it is the vtec oil pressure sensor PLEASE HELP!!!!!!

 

If your CEL isn't coming on how do you know that it's going into limp mode? Check and see if you can read a code from the ECU. I have never seen an ECU clear limp mode itself, never mind jumping back and forth between limp mode and regular operation.