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USD 299.99 299.99 299.99
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Bully Dog WatchDog Economy Monitor

All '96 and newer vehicles with OBDII port (excl. 7.3L Powerstroke)
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★★★★★ ★★★★★ 5 Reviews
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The WatchDog works on all 1996 and later vehicles with an OBDII port. The product comes equipped with a Set Up Wizard that calibrates the product to your vehicle in order to provide maximum efficiency and calculate wasted energy. The WatchDog serves as a digital gauge/monitor and features a valuable Driving Coach for gas and diesel powered vehicles. It features the ability to monitor over 20 vehicle parameters all while you receive valuable driving suggestions from the Driving Coach to maximize fuel economy.


  • 1 Unit Replaces Multiple Gauges
  • Ergonomic Design
  • Setup Wizard for your vehicle  
  • Read and Erase DTCs
  • Internet Updateable (SD Card to Update Agent)
  • Transferable to Any Applicable Vehicle Application
  • Product Interface/Navigation
  • Easy-to-use Capacitive Touch Buttons
  • Full 64 color LCD Screen
  • Back Light Adjustable (Daytime and Nighttime Driving Modes)
  • Simple and Easy Installation
  • Performance Tests: Horsepower, Torque, 0-60 Times in Seconds, 1/8 & 1/4 mile Times in Seconds
Application Note: Fits All '96 and newer vehicles with OBDII port. Will not work on 94-03 7.3L Powerstroke trucks.

Product Options

40400 White
40402 Black


  • Manufacturer Name Bully Dog Technologies
  • Shipping Weight 3.00 lb.
  • Prop 65 WARNING: Cancer & Reproductive Harm -


★★★★★ ★★★★★
3.2/5 Stars out of 5 Reviews
2006 F250 6.0 auto
(California) | July 7th, 2009
Very nice looking display, lots of features. I was unable to use mine for more than a minute though because it was defective. Poorly designed OBD2 plug-in. It will stick out past your dash about 3 inches and have 3 wires hanging out of the sides of it if all options are connected. If you don't mind the plug, it does have a very nice interface and look to it when it's mounted.
(Myrtle Beach, South Carolina) | August 21st, 2009
I saw the watchdog in this pic and thought it was actually big enough to read paramaters while going down the road but i was wrong. very small display, carppy mount, obd connection sticks out very far and looks like crap.
good price.... but pyro not included
(Texas) | December 15th, 2009
over all good product. i got it today so i havnt had much time with it. about 15 min install, basically plug and play! ALOT SMALLER THAN THE PICTURE MAKES IT LOOK. kinda disapointed with that, but very clear screen and VERY nice easy touch buttons. so far seems to be a good buy. oh ya XDP beat all other companies by at least 75$ on this monitor! good price. only thing bad is pyro not included, have to buy separate for 130$. although its really small it is captable for all your guages in one small package!
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XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.