Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › p0328 and p0306 › Re: p0328 and p0306 November 7, 2012 at 11:42 pm #475397 EricTheCarGuyKeymaster Those readings are somewhat useless because the engine was cold. I’ve actually seen more fuel injector problems on Nissans that cause misfires. Also don’t rule out a vacuum leak issue, here’s a video that might help with that.