Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2015 infiniti qx 80 › Reply To: 2015 infiniti qx 80
March 24, 2023 at 2:16 pm #1024678
I would suggest checking few things like fuel pressure at the fuel rails, smoke testing for vacuum leak and doing a live data monitoring on the OBD tool to see the values are within the required range. Bad PCV valve can also cause the same effect as vacuum leak. Bad battery can cause weak starting but once started it should run fine if the charging system is functioning properly.