RickyCheung if you want to something do this get on a flat stretch of road
at the legal limit,then let up on the gas.
You should see the visual red bar drop below 10.0 at this point in time
press the RIGHT arrow to reset algorythm to base setting or 0.0 k/100km.
Watch your average to see if it goes back up to your high readings.
Smart injector system in theory should be working if it is when you let up on
gas visual should drop usually below 10-12.
This is how my '11 DJ is working.
got same truck and best winter tires i found are from costco: 225/65R17 Blizzak DMV1 with aluminum alloy MACPEC rims (they do not have 17' metal rims avail) which are just 20$ more each than metal ones. total is just over 1300 all-in with the 70 $ rebate.