Causes of increased fuel consumption in Nissan Almera Classic

There may be two types of reasons leading to the increase in Nissan Almera Classic fuel consumption.

The first is the change in traffic conditions: more turnings, traffic jams, mountain area, bad road, changed air temperature, rain. All this can increase fuel consumption.

The second is a malfunction. The fuel consumption may increase due to problems with the mass flow sensor, lambda-probe or throttle.