MPG Concern

[bartebk]

Last night I filled up,reset mileage/mpg etc.then give it a good thrashing home(about 5 miles),went out this morning didn't pay any attention to mpg but I was taken it easy(another 5 miles) went out later on 18.5 mpg!took it easy (done about 10 miles) just crept up to 21.Since I fitted a sports cat/cat back and IK seem to be averaging 29(used to be 30-32)unless I'm just caning it more......unless there is a problem?

 

[Liam]

takes a while to get a steady read out. Mine has not been reset since new and is getting 34.9MPG.

give it 2 or 3 hundred miles.

 

[bartebk]

^^^If it's stay's on 18.5 I'll be lucky to get a couple of hundred miles!lol