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    I am trying to make my fuel consumption as economical as possible. Do you have any advice?

    Nissan Nissan Advice Nissan X-TRAIL Nissan X-TRAIL Advice Nissan X-TRAIL 2012

    I bought a 2012 diesel X-Trail automatic December 2020. Since owning this vehicle I have reduced the fuel consumption from 11 litres per 100km to 8.5 litres per 100km from only changing the fuel filter. My inquiry is, how I can get this figure lower again? I have bought a cam angle sensor to help with fuel economy but I am yet to fit it. What would you suggest?

    Answered by CarsGuide
    11 April 2022
    David Morley

    Changing the fuel filter may affect fuel economy indirectly, but not to the extent of dropping consumption 3.5 litres per 100km. The indirect effect we’re talking about here is having an engine with a clean filter that is making all the power it possibly can, and that, in turn, allowing you to drive it with less throttle input and, therefore, lower fuel consumption. But the end result would be fractions of a litre per 100km.

    A camshaft-angle sensor, I think, would be in much the same boat. By having the camshaft timing perfectly spot on, you’ll have an engine that’s making the most of each litre of fuel. But, unless the current cam-angle sensor is faulty, changing it for a new one won’t make a scrap of difference to your fuel economy.

    The best way to reduce your fuel usage is by driving the vehicle smoothly and gently and with a light right foot. My suspicion is that that’s exactly what you’ve been (sub-consciously) doing since changing the fuel filter and chasing better fuel mileage.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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