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2003 Mercury Sable smelling of antifreeze?
I run a Speedometer Business and use a gps system to calibrate and check vehicles for inaccuracy on a daily basis. The gps system is dead on the money as long as i am driving steady without increases or decreases in speed.why is my car a piece of crap?
New vehicles do not come Inaccurate from the factory. They strive to make vehicles accurate in all ways. But they ARE ALLOWED up to 6% inaccuracy. That is only 3 mph off at 50 mph.
How can I get rid of the white, crusty, flakey film off my car?
So the answer is that your satnav is probably more accurate than your car's speedometer.
I hope this helps....Good Luck!
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The satnav reading is more accurate when you are driving on a level road but will be less accurate on a steep hill.you should only compare therefore when driving with no gradient. The satnav should prove that your car's speedo is between .5% and 5% too high in most cars. Manufacturers aren't allowed to make them too low.
We experience the same and have been advised by a reliable source that the sat nav indicator is more accurate. Hope this helps.
Car starting troubles... 96 mustang v-6 what is it?
The sat nav is about as accurate as you're going to get.how to change front brake pads on VQ statesman?
I've noticed the same thing. The cars speedo is always slightly higher. I suspect that car manufacturers fix it that way so we don't all get done for speeding.
All car speedometers have built in an error of 3% to 5% for safety reasons (ando commercial ones)
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The satnav indicator is sutrly right.
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Yes, it's the same with mine, I think it best to stick to the speedo, you can never tell when those Ba88ards with a radar gun will be waiting! They are a good piece of kit aren't they? Don't know what I did with out mine, yes I do, I got Lost!!Where does the thermostat go in a 1989 4-cyl Dodge Dakota? Also install tips please?
If you have the original size tires with your car,your car speedometer will be more accurate. If you changed tire sizes and not changed the gear in your transmission then your speed will be off. The satnav I am not sure of.My nissan altima 95 got brake or vacuum booster problem.?
Also google your model of satnav system to see if it needs any updates or not.
is there a website you can dyno test an engine?
Yes 70mph on the sat nav 78mph on a ford mondeo, but running on new tyres which turn less times per mile than worn tyres (because they becomes smaller with wear), you can get 2/3 mph difference that waycan damage happen when you mix 2 cycle oil with gas and then use it in your automobile?
hi there,the sat nav signal has to be bounced of the nearest satelite and then back to your unit so the unit will always be lazy, your car speedo isn't too acurate either, there can be as much as 10% difference in readings for some cars even car to car, with same manufacturer too
Sat Nav is nearly exactly right on a level road, and the difference when on hills is only slight.
The cars speedo has many variables to deal with from tyre wear to mass production. A cars speedo will always err on the side of caution.
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I wouldn't trust a sat nav for anything, there have been to many cases of the information being incorrect.More Questions & Answers ...
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