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03-08-2011, 05:03 PM
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#1 |
  
Drives: 2008 toyota yaris Join Date: Mar 2011
Location: OHIO
Posts: 55
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adjusting the speedometer
I put 195/65/r15 tires on my yaris to make it roll better on the freeway bring the rpms down. My speedo is off about 3 mph and the local dealer said they can't adjust it. Does anyone know if they are feeding me a line or am i screwed
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08 toyota yaris with some big tires lol 02 chevy duramax that runs 11.63 at 116 mph in the 1/4 mile 
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03-08-2011, 05:11 PM
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#2 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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They are correct - The Yaris does not have any way of adjusting the speedometer other than changing the gear in the sender unit (and there are only two options - one for the 15" wheels and one for the 14" wheels).
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03-08-2011, 06:19 PM
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Drives: no-longer-boosted '10 Yaris Join Date: Nov 2009
Location: Angus, Ontario
Posts: 1,891
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its actually not as easy as it just being off by 3mph, its more likely off by between 3 and 5% if u cannot live with the 3mph issue, take the cover off and move the needle 3mph up on the scale. but ur slow speed measurements will be off
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If it has boobs or wheels sooner or later your gonna have problems with it 
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03-08-2011, 06:38 PM
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Drives: 2008 toyota yaris Join Date: Mar 2011
Location: OHIO
Posts: 55
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na I can live with it. Just wondered if the guy was blowing smoke or not. Thanks guys
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08 toyota yaris with some big tires lol 02 chevy duramax that runs 11.63 at 116 mph in the 1/4 mile
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03-08-2011, 08:47 PM
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Drives: 2008 toyota yaris Join Date: Mar 2011
Location: OHIO
Posts: 55
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just curious but I think I already know the anwser. The scan gauge and ultra gauge reads off the same sensor the gauge cluster does. So my only true hope is my gps. Not a big deal just thinking out loud
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08 toyota yaris with some big tires lol 02 chevy duramax that runs 11.63 at 116 mph in the 1/4 mile
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03-08-2011, 09:33 PM
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ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Quote:
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