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You do not specify exactly what you mean by ‘false’.
My experience [ 2009 G8 GT ] has been that:
First – the range is rather conservative – to reduce the likelihood of the driver running out of gas, I presume
Second – the ‘recent’ in the manual excerpt below actually means that it is biased rather heavily to reflect the VERY recent MPG. By this I mean that it appears to look at [ perhaps ] the most recent 25 miles of driving – but disproportionately reflects the MPG in recent 5 or 10 miles [ or 5 \ 10 minutes ] of driving.
This means that [ for example ] if you have been driving through city streets, with significant time idling at stop lights & accelerating \ slowing in the lower gears, resulting in dismal MPG – the range will reflect an expectation that you will continue to drive in that manner – until you fill the tank.
But if you then start driving on a highway at a steady 60 MPH, the range calculation will begin to take that [ higher, recent ] MPG driving into account – and though you have used more fuel, the ‘range’ display will actually rise. Sometimes rather dramatically.
This has happened to me on many occasions – as my commute home from work is precisely this scenario.
And between my house & where I typically do fill my tank, if I drive directly there as soon as I start my car in the morning – on my way to work, the range display will drop significantly in that 2 miles. Reflecting the relatively poor MPG achieved while the engine is receiving a rich fuel mixture – because it is cold.
YMMV.
- Ray
From the manual:
The fuel range estimate is based on an
average of the vehicle’s fuel
economy over recent driving history
and the amount of fuel remaining
in the fuel tank.
http://blogs.insideline.com/roadtests/2009/08/2008-pontiac-g8-gt-range-on-the-bl- ink.html
I presume that means you read all the previous posts -
including mine...
Please state your expectations of a range display?
And how you would expect he calculation to work?
- Ray
Really curious....
I've seen the previous post for clunking/clicking/knocking on the front end and info on recall campaign 09203A. My question is -- is this something that can/should be fixed or it going to an on-going issue. Any help would be greatly appreciated.
Has the dealership fixed the concern yet? If not, have they contacted technical assistance to help them solve the concern? Thank you,
Mariah GM Customer Service
over small bumps
Use new P/N 92249538 to
obtain all four lower control
arms
Do not obtain all four control arms
individually instead of using the new
kit
I have found a similar issue, but not the same with my front suspension. The problem is, when you turn right it continues to pull right for an extended period of time. About a mile or 2 excelerating from 0 to 40 or 60mph. Same happens if you turn left - which it then pulls to the left for a while. I have had the dealer look at this, confirm the issue, but noone can figure out why. I have been told this was due to the Caster Alignment and the design for the G8. I have been told this is a design of the car. There is no other car I have driven before with these characterstics including - 2006 Corvette, 2000 Ford Mustand, 2011 Lotus or any others. They have called "GM Technical Support" and are still waiting for an answer.... Any ideas on who I go to next?
We can certainly appreciate how tedious it can be to wait for answers! If you would like for us to check into this further, please email us at socialmedia@gm.com (include your name and contact information, a summary of your situation, and the last 8 digits of the vehicle's VIN).
Sarah, GM Customer Service