As tittle says, bit worried about my turbo (not my rolla) lol, it's got a cheapie guage from who I bought it off, oil pressure seems good on cold start up, but when oil reaches 90' degrees, and I've noticed the guage plays up sometimes, it read about 4-6psi at idle, 45psi @ 3k unloaded, bout the same on freeway 3krpm.. Thing is at the lights when it's low pressure. My dash oil light doesn't come on? So would it be cheap guage stuffing up? Or something worse, Oil level good, new oil, checked pressure sensor connections, no engine noises rattles, etc, drives good! Thoughts ?