How can I improve fuel efficiency in my Vauxhall Movano?

I've noticed that my Vauxhall Movano consumes a lot of fuel, is there anything I can do to improve its efficiency?

Regularly check and replace air filters. This can improve fuel efficiency by up to 15%.

Avoid idling for prolonged periods of time and turn off your engine when not in use. This can help reduce fuel consumption.

Drive at a consistent speed and avoid rapid acceleration and braking. This can help save fuel in the long run.

Consider investing in a fuel injector cleaner to remove any build-up and improve fuel efficiency.

Keep your vehicle properly maintained by getting regular tune-ups and oil changes. This can help improve fuel efficiency.