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2-1/16" ECOMETER, 1.0-99.9 MPG, 1996+, ECOMETER

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Quick Specs

  • Size:2-1/16" (52.4mm)
  • Type:Digital
  • Range:1.0-99.9 MPG
  • Lighting:Digital LED
  • Instructions: Download PDF


The single largest contributing factor to fuel economy on your vehicle is the “loose nut behind the wheel”. Driver input affects the amount of fuel you use more than anything else. The Ecometer by AutoMeter is a simple, plug and play device that connects to your vehicle’s OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle. So much more than a simple vacuum gauge, the Ecometer monitors a huge range of engine parameters to precisely determine how much you’re spending at the pump. A digital tach and speedometer are also included in it’s functions, as well as instant and cumulative fuel economy. Designed to work with nearly any 1996 and newer OBDII gasoline engine vehicle, the Ecometer can help you to easily realize fuel savings of up to 30% with only minor changes in driving habit.
Feature Points
  • Compatible with most gasoline ODBII equipped vehicles from 1996 to present
  • Includes 5ft. Wiring Harness with 1 wire installation which easily plugs into OBDII port
  • Displays RPM, Speed, Instant MPG, and Average MPG.
  • Installs in minutes!
  • Ecometer's ecograph helps you improve your driving habits to increase your fuel efficiency and reduce your fuel costs.
Ships With
  • Hardware Included
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


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Hi, will this work at all on a diesel vehicle?

Asked by: PhilW
This will not work in a diesel application. Compatible with most gasoline ODBII equipped vehicles from 1996 to present.
Answered by: Jim from AutoMeter
Date published: 2023-01-10

Can you reset the average fuel economy easily

Asked by: ShelbyGS See Part 2 of the instruction above. It's an easy reset process.
Answered by: Jim from AutoMeter
Date published: 2022-09-12

Will this work for 2003 toyota corolla?

Asked by: Dj Salad
This device will work on your 2003 Corolla.
Answered by: Jim from AutoMeter
Date published: 2022-07-29

Installed on a 2016 Mercedes Metris, works, but stays illuminated after exiting and locking up.. Does not seem acceptable, as it remains warm to the touch, indicating significant battery depletion is likely to leave me stranded with a dead battery :-(

Asked by: CampbellSys
If you could, send us an email to our tech team.
Answered by: Thomas From AutoMeter
Date published: 2022-04-14

Will this fit inside an A pillar mount like Product #12225?

Asked by: thelostdutchman
The Eco Meter will not fit into a pillar mount. It must use the included mount.
Answered by: Jim from AutoMeter
Date published: 2022-04-01

Hello; I'd like to pre-verify compatibility to a 2017 Mercedes Metris which has a gas 2.0L 4cyl turbocharged engine. Thank you :-)

Asked by: SteveC
This Eco Meter should work fine connected to the OBDII port in your Mercedes.
Answered by: Jim from AutoMeter
Date published: 2022-03-30

Do you have a wiring diagram that I can use to capture the RPM on a separate gauge that measures RPM of the vehicle? Or can you state which wire I can use from the ODB harness.

Asked by: RalphS
Thank you for your question. Unfortunately, we do not.
Answered by: Natalia from AutoMeter
Date published: 2021-03-23

how accurate is this gauge? will it last long term

Asked by: Eddie1946
Thank you for your question. This will be as accurate as possible. It pulls the information off of the vehicle's OBD-II port. Doing this you will need to make sure the unit is plugged in at all times in order to keep an accurate reading. For further assistance on this, please give our tech line a call at 866-248-6356.
Answered by: Natalia from AutoMeter
Date published: 2021-02-02
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