Quote:
Originally Posted by boxerfan
Am guessing the car computer excludes stationary idling fuel consumption; therefore the average will read better overall.
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I only live 11km from work and used to let the car warm right up when I first started driving it a year back. My fuel economy back then was pretty terrible vs now when I simply wait for the rpms to settle down to around the 700rpm mark then drive off.
Pretty sure the lengthy idling during warm up was / is being calculated by the onboard average fuel consumption metrics.