Fuel consumption

[jamesp24]

Has become horrendous in my mk2 ph2 1.4 16v ,it drives and pulls fine but it must be down to something like 20mpg.

Any ideas whats causing this, its only running a exhaust and open IK.

 

[Josh@Renparts]

as standard they return 30 when driving hard so something is wrong

 

[jamesp24]

Hmm its worse than my skyline and thats saying something.

 

[hunter82]

ive got 1.2 16v and mine never moves off 34.6mpg