Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2006 nissan altima › 2006 nissan altima May 19, 2012 at 11:00 am #439385 college manModerator check your fuel pressure should be 52 psi If that checks out your crank or cam sensors may be going bad. if this is the case Nissan recommends changing both sensors