Can I trust that little gauge?????
Our 07 Dodge - 5.9 Cummins - has a gauge like this on the air filter The owner's manual says to depend on this gauge to tell you when to change the filter. In fact, on page 391 it says never...
Forum Discussion
coolbreeze01 wrote:
Post a pic of your old filter when you change it.
This one had 12k miles when I changed it last week. Many of the miles are on a gravel, dusty road though.
