Suspect dealer did Oil Dilution TSB against my word - Can I verify?

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demoPEng

demoPEng

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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.

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 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.

placebo is strong here
It might be, which is why I want to definitively check the relevant software dates so I can know for sure.

isn't a free oil change included with this update?
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).

Did you check the tire pressure after the service?
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.

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)
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.

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.
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).
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  • A TSB is a voluntary repair and may not be applicable if you’re not experiencing the problem it covers. Also, the TSB may be covered under warranty, or the automaker may specify a special warranty period for it, which means the automaker pays for the repair. Outside of the warranty period, though, the TSB procedure still would apply, but parts and labor would be the responsibility of the owner.

https://www.carfax.com/blog/tsb-vs-recall
Any work performed should be listed on the repair order. Regardless whether it was customer pay or warranty.
 

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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.
Well to be honest it was only once on a 65 km trip over mostly flat ground really babying it at 90-95 koh. I Did manage to average 5.0 l/100km over 800 plus Km's a couple times. 4.8 is more inline with what I see occasionally too. Running Shell 91 since day 1
 

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I always average 5.? in the warmer months but I have never gotten in the 5s from basically Nov to Feb. I too had the tsb performed and noticed no measurable difference.
 


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UPDATE:
I just noticed today that when my car was in for service, that the dealer took my Licence plate covers, and switched them with dealer branded plate covers. It went in with my plain white plate covers, and I just realized I now have the ugly dealership branded plate covers. I'm extremely mad that they thought doing something like that was acceptable. Tomorrow I will be sending a message to the dealership letting them know that this is unacceptable.
*Corrected atrocious typos
 
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UPDATE:
I just noticed today that when my car was in for service, that the dealer took my Licence plate covers, and switched them with dealer branded plate covers. I had plain white plate covers, and now they took those and did not say anything to me, and I just realized I now have the ugly dealership branded plate covers. I'm extremely mad that they though doing something like that was acceptable. Tomorrow I will be sending a message to the dealership letting them know that this is acceptable.
This is indeed weird. Maybe that dealership is run by some control freaks. They apparently think the cars remain their property even after the sale.
 

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If you are this particular about your car STOP TAKING IT TO THE DEALER FOR MINOR SERVICES
 

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my gas mileage dropped by 4 mpg after I changed oil form Mobile1 Economy to Mobile1 Extended Performance. Both 0W20. These engines are very sensitive to type of oil and new oil will have more viscosity I guess than the old one.
 

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This is indeed weird. Maybe that dealership is run by some control freaks. They apparently think the cars remain their property even after the sale.
No, that's TESLA !!! ( and Apple )
 


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So your car went in for service and instead of updating us on whether or not they did the TBS, you tell us they took your plate covers?

I’ve about decided this shit is just made up.
You're going to need to work on that reading comprehension buddy. Nobody else had the same confusion that you did. Take your schizo posting elsewhere, and let others try to discuss why the mileage may be different after what was supposed to be a simple oil change was done.
 
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my gas mileage dropped by 4 mpg after I changed oil form Mobile1 Economy to Mobile1 Extended Performance. Both 0W20. These engines are very sensitive to type of oil and new oil will have more viscosity I guess than the old one.
This is very interesting. Thanks for the info. I am following up with the service manager later this week, and I will inquire if they are potentially using a different brand of oil as what may have been put into my vehicle a year ago.

I will update with the full story later this week once I speak again to the Service manager.
 

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You're going to need to work on that reading comprehension buddy. Nobody else had the same confusion that you did. Take your schizo posting elsewhere, and let others try to discuss why the mileage may be different after what was supposed to be a simple oil change was done.
I misread so now I’m a schizo? You can fuck right off with that lol.

You’re stupid little update had absolutely zero to do with your MPG problem anyways. You’re the one getting off topic.
 

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They might've got the car wash kid to go get a round of coffee for break time with your car. Explains the 4 km. Or the mechanic felt he needed to take it for "test drive" to go pick up a case of beer.



:)
 

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UPDATE:
I just noticed today that when my car was in for service, that the dealer took my Licence plate covers, and switched them with dealer branded plate covers. It went in with my plain white plate covers, and I just realized I now have the ugly dealership branded plate covers. I'm extremely mad that they thought doing something like that was acceptable. Tomorrow I will be sending a message to the dealership letting them know that this is unacceptable.
*Corrected atrocious typos
That's one thing that absolutely pisses me off. No, I didn't put my own plate frames on so you could substitute them and NO, you don't pay me for the advertising.
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