Read an article from a Corsa Owner through mouth shut review who suggests keeping the tyre pressure at 29 psi for good FE(
OPEL CORSA 1.4 GSI Review)
He also suggests to clean the IAC valve (Idle air control valve -Around Rs 400 at GM). After cleaning this valve he started getting 12.5 - 13 in the city and 14.5 - 16.5 in the highway with AC ON which is absolutely fantastic for a corsa. If every corsa gets around these figures, the resale value would have increased some more...
Is the tyre pressure @ 29, a good move ? What about the IAC Valve?