Hi,
While I agree with the other poster on the transmission fluid as it can be in needing of a change.
I don’t know what the recommended interval is, with new models as I’m a 240 man but it cannot hurt rule that in.
The throttle body is not a bad idea either.
Do you know if the brother takes care of things he owns or borrows? Transmissions are neglected quite often.
If the car has been missing “maintenance” at some high mileage intervals, it does affect the cleanliness of the precision valving inside.
Another thing to consider is the engine operation has to respond from an input from the driver.
The gas pedal is in constant use but only slightly less than the seats.
On the throttle body a switch or later cars they have a different version or method being used.
The switch on later cars is really like a volume control on earlier made amplifiers that you actually turned.
They would get worn and make scratching sounds out the speakers. This when being turned back and forth.
Guess what, the throttle gets rotated and that motion has to be detected.
Now, Within that idea, it’s definitely a wear item in the future of these cars at sometime.
Their Not too horribly expensive either, if purchased like a generic medicine, or hard to change out.
Most can be fairly simply to be made, from a manufacturers standpoint and they’re almost plug and play nowadays.
On todays cars the computers need smooth inputs and don’t understand a lot of anything in between.
It’s is because they work on the principles of finite steps. Things plus and minus that are out of its normal perimeter gets ignored.
What happens is it does nothing until it gets what it is looking for and then jumps to it.
I want to say the brother probably put his share of mileage on the car and he got use to it driving the way it does.
He might not be aware of the issue as you are so it’s good you are.
It’s NEW to you again, but in so, now a MORE used car.
I hope you expected some of this, as it comes with items that get returned.
Since you are on the BRICKBOARD, are you one that works on your cars or just don’t want to get blind sighted or duped into to many services that can be costly?
This site is a self service information forum or at least thought of that way.
Cars and patrons have been changing but basic needs are still nice to find.
I’m a 240 person but I’m not completely out in the cold with helping where I can.
I hope you post back what you find to help others.
Phil
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