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Speedometer Question...

Discussion in 'Performance and Tuning' started by ThunderTaco01, Jun 6, 2011.

  1. Jun 6, 2011 at 10:10 PM

    ThunderTaco01 [OP] A Member

    Feb 27, 2011
    First Name:
    Southern Cal.
    '04 trd prerunner
    I've had my 33s on my tacoma for a few months now and my speedometer is off by a few miles, specifically 3-4mph. Anyone know how to fix this?
  2. Jun 6, 2011 at 10:13 PM

    Brunes abides. Staff Member

    May 31, 2008
    First Name:
    Big Easy, USA
    08 Red/Graphite and Satin Black
    Inside: Tint, Wet Okole 1/2 Piped Red/Black Covers, Black Weathertech Digital Fit Mats, URD Short Throw w/ TWM Weighted Knob, USA Spec iPod adapter. Outside: 4300K Retro w/ Angel Eyes and Red Shrouds, 5000K Blazer Fog Light Retrofit, Debadge, Bed Locking Handle, Satin Black Rims Performance: TRD/Steigmeier Blower w/ 2.7 Pulley. 668 Injectors and 320 LPH AEM Fuel pump. URD UCON and 7th Injector. DTLT Headers, URD Y-Pipe, Wicked Flow Muffler. Suspension: Both: OME Shocks Front: 886X's and TC UCAs Rear: Dakars Armor: Relentless Front Bumper Relentless High Clearance Rear w/ Tire/Rotopax Swing Out Relentless Front, Mid, and TCase skids BAMF Diff Skid Recovery and Spares: Fullsize Spare Tire 2x2 gal Rotopax 1x1 gal Rotopax 1x1 gal Water Rotopax Warn 9.5XP-S Winch Hi-Lift Extreme 60" Ironman Off-Road Recovery Kit Upcoming: ATO Gas Tank Skid and Sliders w/ kickout. ATO Shackle Flip Kit. Down the line: Front/Rear ARB Lockers w/ OBA. 4.56 Gears
    Check the digital signal being sent from/to the ECU for starters and see if that is wrong of the speedo guage is off.
    From there-I've been told that that HealTech's SpeedoHealer will work with out trucks- but I haven't tried it yet...I have one on my bike and I'm hoping to give it a shot with the truck....
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