Efi live speedometer calibration

[Awenta]

Aftermarket radio? My nav shows when I get to the speed limit. Guess GPS is your only option. Or have someone follow you.

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[M.hulsey91]

Aftermarket radio? My nav shows when I get to the speed limit. Guess GPS is your only option. Or have someone follow you.

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Yes but no nav. Ill borrow my parents gps tmrw and check it.

 

[Parker_]

I would call a few big name tuners like mentioned before . U never know u might have some bad a** long horn fab tunes . There's. Some hacks out there I'd def be curious to who and what tunes I have . Not only for the speedo but for piece of mind knowing my trucks tuned correctly


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[Steel Horse Cowboy]

Carfax

Carfax can tell you who the previous owner was can't they?

 

[M.hulsey91]

Carfax can tell you who the previous owner was can't they?

I do not know. Found someone local selling efi live said they sold the truck.. i msged him but no reply yet

 

[WolfLMM]

You got an iPhone? Built in GPS... Verify how far off your speedo is, then tell the dealer.

If your speedo says 50, but GPS says 55, then your speedo is off by 10% and vss pulses per mile should be changed by 10%. It'll help if you know how much it's off to tell the tech so he doesn't have to go for a test drive