Hello,
I have 118,145 mi on a 2004 Honda Accord 2.4L I4. It has been getting 15-23 mpg, and loss of power for the last few months. It used to get 25-30 mpg. I've kept the maintenance schedule.
UOA has 52 ppm Na.
Blackstone thinks I should try another oil?
Could I have a small head gasket leak...