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That's interesting, I always thought that the speedo fix was part of the Sept 2007 update. The D4D was introduced in Nov 2006, I wonder if Toyota changed the speedo at that update instead? Does anyone have a D4D that reads accurate speed with standard 265/65/17 tyres?
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"Sure it’s quiet, for a diesel, but that’s like being well-behaved… for a murderer."- Jeremy Clarkson -
Wioth 275/65 17s my Dec 07 was still reading about 2 or 3 km/h low. That is according to a GPS which isn't 100% but before that it was 4 or 5. Interesting that the 150 with 275s is pretty much spot on between 1 and 2 low).My 150 build - http://www.pradopoint.com/showthread.php?27423-A-Random-approach-to-a-Bluestorm-150-GXL-D4D-automaticComment
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I'll correct myself here, the change was in November 2006. This is also when the D4D was introduced.Originally posted by Peterpilot View PostThe change occurred in September 2007
After some research I discovered that prior to the Nov 2006 update, the V6 manual Prado had a combined claimed fuel economy of 13.8L/100km and the auto was 13.2L/100km. After Nov 2006, this improved to 13.6L/100km and 13.1L/100km respectively. After Nov 2006 the speedo spins faster, giving a false improvement in fuel economy
"Sure it’s quiet, for a diesel, but that’s like being well-behaved… for a murderer."- Jeremy ClarksonComment
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Mine with 275's is almost spot on as well.Originally posted by mjrandom View Post[b]Rob[/b]
[b]2016 Toyota Hilux SR5 D4D Auto Company Cruiser... [/b].
[url=http://www.pradopoint.com/showthread.php?23866-Hutch-s-2012-150-GXL-V6-petrol-Auto]Hutch's 2012 Build up[/url]
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My 2005 V6 Prado with 265/65/17 had its speedo spot on accurate, according to multiple GPS and using the Highway 5km speedo checks.
My 2008 D4D Prado with 265/65/17 is 5% slower than actual reading, so with the speedo at 100km/hr is it actually driving at 95km/hrComment
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