Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB - View Single Post - Toyota86 fuel readings deviate by approx. 30%

RZNT4R · 05-15-2021, 09:11 PM

Check your actual speed with a GPS/app and compare with the displayed speed and distance

One way it could be that far off is if the speedo/odo is that far off. For reference, mine is within one km at 100km/. Tire size could play a part.

05-15-2021, 09:11 PM	#13
RZNT4R Professional Mechanic Join Date: Apr 2010 Drives: 2017 86 6MT Oceanic Location: Quebec, Canada Posts: 789 Thanks: 17 Thanked 634 Times in 371 Posts Mentioned: 12 Post(s) Tagged: 0 Thread(s)	Check your actual speed with a GPS/app and compare with the displayed speed and distance One way it could be that far off is if the speedo/odo is that far off. For reference, mine is within one km at 100km/. Tire size could play a part.