Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Oil light staying on longer than normal @ startup › Oil light staying on longer than normal @ startup September 21, 2014 at 9:07 pm #622405 Lorrin BarthParticipant What oil viscosity are you using? I once had a car parked in winter with 10W-40 in it and at start I had no oil pressure. I had to shut it down.