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Hybrid Vehicles Toyota Camry Hybrid New Toyota Camry Hybrid Owners - Give Us Your Report
558 messages, Last post on Oct 30, 2009 at 1:05 PM
You are in the Toyota Camry Hybrid Forum. Your Host is pf_flyer
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Replying to: slbull (Jun 09, 2008 11:16 am)  I think one thing that is important to remember for you new TCH drivers is consider the level of obsession you want to have with your TCH. If, like me you came from a car that got 16 mpg then you've already made a huge leap towards reducing your need on gasoline. I've had a 234% improvement in FE. Granted a 10% increase in effeciency is still 10% no matter what, but in terms of dollars, if you're getting 16 mpg and you go to 17.6 mpg, you just made a 10% improvement and if you drive 12,000 miles a year you will save 68 gallons of gas ($272/yr  $4). If you moved up to a fuel effecient car like the TCH and you're getting 37 mpg, a 10% increase will need to get you to 40.7 and over that same 12,000 miles you only save 29 gallons ($116/year). Once you're in a fuel effecient car you can see that striving to get from 37 to 38 or dropping to 35 is not really such a big deal. I like knowing if I want to I can get 40mpg by trying realllly hard or if I'm in a hurry and push the car a little I might drop to 35. In either case, it's a LOT better than the 16 I used to get.
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Replying to: wvgasguy (Jun 10, 2008 5:22 am)
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Replying to: nkaizer (Jun 10, 2008 8:09 am) Absolutely correct - you made the huge jump going to 15 or 'only' 32-34. Going from 15 to 33 saves you 545 gallons in 15,000 miles, while going from 33 to, say, 40 only saves about 80 gallons. |
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Replying to: nkaizer (Jun 10, 2008 8:09 am) |
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Replying to: pf_flyer (Jul 18, 2006 11:07 am) Second problem: Significant speedometer error: 4 MPH at nearly any speed! Calibrated error with radar. At 30 MPH, this is nearly a 15% overstatement, so if your average MPH is around that, your actual miles driven could be 85% of what is stated on the odometer. Factory says "within specs". Ha! There may be a way to re-calibrate - saw something in the Nav System screens. |
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Replying to: hflorance (Jun 19, 2008 9:02 am) |
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Replying to: hflorance (Jun 19, 2008 9:02 am) knowing that it is not accurately recording the miles traveled and signing to something different is something that could come back to bite you... |
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Replying to: hflorance (Jun 19, 2008 9:02 am) Look up "speedometer" on Wikipedia to read how confusing this all is.
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Replying to: talmy1 (Jun 19, 2008 1:05 pm)
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Replying to: jcihak (Jun 20, 2008 7:57 am) http://www.unece.org/trans/main/wp29/wp29regs/39rv1e.pdf Just because it doesn't apply in the US doesn't mean that an international manufacturer won't adopt it. Indeed it doesn't say 3mph high, but says that the error must be 0 ≤ (V1 - V2) ≤ 0.1 V2 + 4 km/h where V1 is the displayed speed and V2 is the actual speed, so the error can be -0 to 4kph+10%. The US Federal standard is not referenced in the Wikipedia article, so I can't verify it. The article states "Modern speedometers are said to be accurate within 5% but as this is legislated accuracy, this may not be entirely correct." and why isn't "legislated accuracy" "entirely correct"? Also I doubt that the federal law would allow for speedometers to read low. That would cause problems for (speeding) law enforcement. So for the OP's case of 30mph reading 34, that would be 10% plus 1mph which is less than 4km/h, so it would be within spec. I've found in the cars I've owned that the speedometer always reads high, but the odometer is quite accurate, usually within 1% (<0.1 mile measured over 10 miles). |
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