flsvt Posted December 8, 2010 Share Posted December 8, 2010 (edited) there has been old trucker stories of drivers adjussting the speed sensor on hte back of the trans out some to get a higher governed speed (i guess due to the sensor not reading correctly) does this have any truth? 60mph is getting old fast.its a 2005 vision 350hp with a 6speed trans Edited December 8, 2010 by flsvt Quote Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/ Share on other sites More sharing options...
Mackpro Posted December 8, 2010 Share Posted December 8, 2010 there has been old trucker stories of drivers adjussting the speed sensor on hte back of the trans out some to get a higher governed speed (i guess due to the sensor not reading correctly) does this have any truth? 60mph is getting old fast.its a 2005 vision 350hp with a 6speed transIt is possible (sometimes)to unplug the speedometer sensor and the truck will run wide open MPH, however most owners/companys who have their road speeds turned down have the MPH sensor tamper settings enabled. What this means is if you unplug the sensor/tamper with the adjustment or any fault occurs with the MPH sensor it will derate the HP and you will be worse off than just leaving it alone. Quote Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68168 Share on other sites More sharing options...
rhasler Posted December 8, 2010 Share Posted December 8, 2010 Backing the speed sensor out will probably cause the engine to derate and set a 4-1 fault code. Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68169 Share on other sites More sharing options...
flsvt Posted December 8, 2010 Author Share Posted December 8, 2010 well i tried to unplug the sensor it will run wide open only down fall is that it cuts the power down alot.... and there is no odometer. any other ideas you guys could think of to get this girl moving. Quote Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68170 Share on other sites More sharing options...
rhasler Posted December 8, 2010 Share Posted December 8, 2010 well i tried to unplug the sensor it will run wide open only down fall is that it cuts the power down alot.... and there is no odometer. any other ideas you guys could think of to get this girl moving.A dealership can reprogram the ECU to turn the road speed limiting feature off Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68171 Share on other sites More sharing options...
flsvt Posted December 10, 2010 Author Share Posted December 10, 2010 this is what i thought of today i wanna try and hook up another sensor to the harness and see if it will give it its power back (my boss is cheap he wont send it to the dealer at all) Quote Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68269 Share on other sites More sharing options...
rhasler Posted December 10, 2010 Share Posted December 10, 2010 this is what i thought of today i wanna try and hook up another sensor to the harness and see if it will give it its power back (my boss is cheap he wont send it to the dealer at all)Just plugging in a new sensor won't do anything, the sensor has to read voltage produced by the transmission. A new sensor will cost as much as having the speed limit removed/changed. It should take about 10-15 minutes if that's all you have them do. Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment https://www.bigmacktrucks.com/topic/16775-speed-sensor/#findComment-68270 Share on other sites More sharing options...
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