Is it possible on a P2 V70 ? If so, how ?
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Thread: Calibrate Speedo...
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Tuesday 28th April 2009, 15:45 #1Senior Member
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Calibrate Speedo...
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Tuesday 28th April 2009, 18:55 #2Senior Member
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Thanked 413 Times in 297 PostsDitch it and look at your Tom Tom!
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Tuesday 28th April 2009, 19:19 #3Senior Member
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Thanked 388 Times in 253 PostsYeah I know. I always like to presume the sat nav is more accurate providing the method used to calculate it is sound (which it is...). Interestingly, the speed readout via OBDII match's the sat nav's exactly, and the speedo read higher, so I'm inclined go be pretty sure my speedo is out.
It reads 77 MPH when the other two read 70, so 10% above (this is true across the speed range, all the way up to 136 (on my private airstrip)).
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Tuesday 28th April 2009, 19:22 #4Senior Member
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Thanked 281 Times in 249 PostsMy last one was 4 mph out at 160! my phase 2 seems about 3 mph out at 30 going by those things that are popping up as I sold my gps, its an in buillt safety messure, but if you reset the average speed at say 80 mph on cruise it will give you a lower more accurate average speed!
2004 V50 T5 SE
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Tuesday 28th April 2009, 19:25 #5Senior Member
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Thanked 388 Times in 253 PostsI should think the average is also derived from the ECU/OBDII but that's another way of confirming it - good thinking WEEOO.
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The Following User Says Thank You to cornclose For This Useful Post:
lance (Wednesday 29th April 2009)
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Tuesday 28th April 2009, 21:44 #6Senior Member
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Thanked 413 Times in 297 PostsI set my cruise to 79 on the sat nav at the speedo says 85.
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Tuesday 28th April 2009, 22:04 #7Senior Member
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Thanked 388 Times in 253 PostsI'd rather have it read over than under, but I'd rather have it read correctly than over...
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Tuesday 28th April 2009, 22:15 #8Senior Member
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Thanked 129 Times in 90 PostsSpeedos all read higher by default.
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Tuesday 28th April 2009, 22:18 #9Senior Member
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Thanked 388 Times in 253 PostsLooks that way...
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Tuesday 28th April 2009, 22:22 #10Senior Member
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Thanked 178 Times in 140 Postsget a plod! They are spot on
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Tuesday 28th April 2009, 22:24 #11Senior Member
Gizza job!
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The Following User Says Thank You to Yosser For This Useful Post:
cornclose (Tuesday 28th April 2009)
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Tuesday 28th April 2009, 22:26 #12Senior Member
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Thanked 388 Times in 253 PostsBl00dy h3ll just round the corner!
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Wednesday 29th April 2009, 05:06 #13Trader
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Thanked 295 Times in 174 PostsYou can alter the speedo readout to match the OBD11 using a VCT2000.
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Wednesday 29th April 2009, 15:07 #14Senior Member
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Thanked 281 Times in 249 PostsBl%ddy hell, they were there 20 plus years ago when i was still at school!
Originally Posted by Yosser
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Wednesday 29th April 2009, 16:11 #15Senior Member
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Thanked 413 Times in 297 PostsWhoo! West Bridgford - they get out the bath to wee there, don't they? Originally Posted by cornclose
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Wednesday 29th April 2009, 22:33 #16Senior Member
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Thanked 388 Times in 253 Posts Originally Posted by dave stew
Whoo! West Bridgford - they get out the bath to wee there, don't they?
Probably...
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