demoPEng
Senior Member
- Joined
- Oct 18, 2018
- Threads
- 2
- Messages
- 53
- Reaction score
- 21
- Location
- Ham, On, Canada
- Vehicle(s)
- 2018 Civic Si Sedan, 2014 Ninja 300 SE
- Thread starter
- #31
One additional thing I noticed when I picked up my car is that they had put 4km on it while they had it in. Not sure if this sheds any light onto what may have been done while they had it.
It absolutely is a possibility that this has some impact, but I recall not having too much difficulty achieving low 5.xL/100km last winter. I will wait 1 more tank to see.I don't know the exact timing of your suspected software update, but are you sure it's not because of more butane (the bastard gas) in your fuel?
"In Canada, switching over to summer gasoline is mandatory by April 15, with the switchover to winter gasoline starting on Sept. 15."
It might be, which is why I want to definitively check the relevant software dates so I can know for sure.placebo is strong here
I believe it is supposed to be, but I suppose because I said I did not want the TSB done at this time, they charged me for the oil change as a basic routine maintenance (which I'm okay with as long as they didn't do the update anyways).isn't a free oil change included with this update?
I did not as I did not have a baseline before I went in. It did say on the receipt that they checked tire pressure, but it did not note if they altered it at all.Did you check the tire pressure after the service?
I don't think I was ever able to achieve 4.6, I think the best I would see would be around 4.8L/100km, and they was with long highway drives, with mild but gradual elevation changes. The only gas I've used since I bought my car has been Costco Premium.I think something else is wrong, The update will not affect the mileage nearly as much as your say its changed.
I had the update done and still consistently get 5.1-5.3 l/100 km over the entire tank. Just last week I saw 4.6 L/100 Km on a 65 km drive home from work at 90 km/h over mostly flat terrain. (Manual trans with about 85,000 km...Always used Shell 91)
It absolutely warms up quick now (2-3 mins). But I would be able to report a definitive comparison until I drive it in the winter, as last winter I found myself paying particularly close attention to how long it took my car to warm up (which was certainly a little while (10-15 mins of low rev highway driving).The smoking gun is the warm-up time. That’s consistently faster after the flash has been done. But I doubt they’ll put it back. It took two years before my car started displaying some of the symptoms. They’re responsible for repairs under warranty. Why do something that will cost them more, potentially?
I haven’t reset my trip meters since I bought the car. Even after the update, my average is at 6.4L/100kms until winter tires/gas happen. It’s been pretty consistent.
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