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Sudden increase in fuel consumption.


Bossman
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Helix Ultra is 5W40, RS is 10W50.

 

Want to save money, use lighter oils. They are actually cheaper than heavier oils in reality but here in Asia, heavy oils command the market.

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I just realised a week back that my FC is also affected by my ATF condition. I was getting torque slip (auto-box) when I floored the pedal and when I changed out the ATF, it gave me much more mileage. (torque slip also reduced)

 

For same driving pattern..... before ATF flush, my FC had gone down to ~ 6 to7 km/l.

 

After the flush, it went up ~ 8.5 to 9.5 km/l under the same driving conditions/pattern.

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Neutral Newbie
Wet weather increase FC because the tires will struggle for grip on the road. If the roads get slightly flooded with as much as only 1cm of water, the tires will have to push their way through which also will increase FC.

 

I think its quite true about the weather and FC. I notice my FC increased with the recent weeks of showers every other day. Sigh.. [sweatdrop]

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I think higher FC during rainy days is due to slower travelling speed by all cars, not neccesary just the fault of your own car.

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Agree but would the increased in resistance by water cause more than 10% increment in FC ?

 

I noted that I am driving most of the time on 4th gear while it is raining vs. 5th gear as I have to slow down to be in sync with all other vehicles.

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