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PLX Kiwi MPG Trip Calculator and OBDII Scanner

3.7 out of 5 stars 57 customer reviews

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  • Monitors fuel efficiency in three different ways, allowing users to save money
  • Displays and resets Check Engine Light codes
  • Monitors seven additional vehicle parameters, including fuel used and distance to empty
  • Compatible with all international measurement units
  • Small size and OBD-II compatibility makes for quick and easy installation
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Product Information

Technical Details

Brand PLX Devices
Item Weight 5.6 ounces
Product Dimensions 5.1 x 5 x 1.6 inches
Item model number 2320
Manufacturer Part Number 2320
OEM Part Number MPG

Additional Information

Customer Reviews
3.7 out of 5 stars 57 customer reviews

3.7 out of 5 stars
Best Sellers Rank #498,333 in Automotive (See top 100)
#22 in Automotive > Replacement Parts > Lighting & Electrical > Electrical > Information Display Modules
#2,138 in Automotive > Replacement Parts > Lighting & Electrical > Lighting
Shipping Weight 5.6 ounces
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 23, 2009

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here


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Product Description

Product Description

PLX Devices Kiwi MPG is designed to help the driver improve the driving behavior by driving green. It displays data such as fuel used, fuel remaining, distance traveled, distance to empty, RPM, speed, throttle percent, coolant temperature in both standard and international units of measurements. This Kiwi MPG can identify the cause of the engine trouble and clear the light all in the comfort of the vehicle. It facilitates to get the code and reset the light potentially saving money and a trip to the mechanics. This Kiwi MPG is the primary contributor to the global warming gas, carbon dioxide. It plugs into OBDII port and mounts virtually anywhere in the vehicle.

The PLX Kiwi MPG helps owners save money and protect the environment by providing real-time fuel economy and diagnostic information--all in a tiny, easy to install unit. Its MPG gauge monitors fuel use in three different ways, and the on-board trip computer gives users access to seven additional in-depth parameters. The PLX Kiwi MPG can also read and clear Check Engine Light codes, providing owners with critical diagnostic information and potentially saving them hundreds or thousands of dollars in repairs.

The PLX Kiwi MPG can be mounted virtually anywhere in your vehicle.

Save Money and the Environment
Vehicles use a tremendous amount of energy just to move us around. An average 4-door sedan equipped with a 200-horsepower motor can create up to 150,000 Watts of power. It only requires about 50 horsepower to accelerate from a full stop, but this is equivalent to turning on 622 60-watt light bulbs at once. An average driver in the same 4-door sedan produces 19.4 pounds of CO2 for each gallon of gasoline burned--or about 8 tons (16,000 pounds) of CO2 per year.

Research has shown that sensible driving can vastly improve fuel economy. Users equipped with the PLX Kiwi MPG have instant access to fuel economy information, allowing them to adjust their driving habits and watch the impact in real-time. Not only does this translate into potentially hundreds of dollars worth of savings each year, but it can also drastically reduce the owner's carbon footprint and help preserve our environment.

Easy to Install and Use
The Kiwi MPG is a simple to use plug-and-play device that works on all 1996 or newer vehicles. It installs in just seconds, using a single plug to connect with the on-board diagnostic port (OBD-II) that is typically located near the steering column. From here, the Kiwi MPG obtains detailed sensor data which is used to instantly calculate fuel economy.

The Kiwi MPG unit is so small and compact (1" x 2.5" x 0.5") that it can be unobtrusively mounted on your dash, steering column, or near the instrument panel. A 6-foot cord provides the flexibility to reach virtually anywhere in your vehicle. The two-button interface is easy to learn and navigate. Additionally, the Kiwi MPG goes into low power standby when vehicle turns off and picks right back up when vehicle turns back on.

In-Depth Fuel Economy Information
The PLX Kiwi MPG can display real-time fuel economy data in three different ways. In Instantaneous MPG mode, your current fuel usage is displayed constantly in miles-per-gallon or kilometers-per-liter. This provides you with instant visual feedback on how your driving habits impact fuel use. The Trip Average MPG mode displays accumulated fuel economy information that has been gathered over time. Users can reset this mode at any time to gather fresh information. The Kiwi MPG can also display fuel economy information as Trip Dollars of Gas Consumed. Your total dollar amount of gas is calculated over multiple trips. Like the Trip Average mode, you may reset this to zero at any time. The Kiwi MPG supports all worldwide currencies and international measurement units.

All-In-One Trip Computer
In addition to in-depth fuel economy information, the PLX Kiwi MPG can also display vehicle information in far more detail than most instrument clusters can. The Kiwi MPG is bundled with the following advanced meters:
  • Fuel Used (Gallons, Liters)
  • Fuel Remaining (Gallons, Liters)
  • Distance to Empty (Gallons, Liters)
  • Engine RPM
  • Vehicle Speed (MPH, KMH)
  • Coolant Temp (Fahrenheit, Celsius)
  • Throttle Position
View and Reset Engine Trouble Codes
The PLX Kiwi MPG is also a diagnostic scanning tool. It can identify the cause of an illuminated Check Engine light, giving you the information you need before you visit an auto technician. This knowledge can potentially save you hundreds or thousands of dollars. If you determine that a trip to the mechanic is unnecessary, the Kiwi MPG can clear the Check Engine Light.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
SUMMARY: Great concept and much-needed product. Unfortunately, my unit failed after 10 days. Replacement/refund process a three-month ordeal.

THE GOOD: This product represents a much-needed tool for drivers to educate themselves in fuel-efficient driving techniques. It works. After ordering, I received the unit in a timely manner and found it easy to install. The user interface was somewhat clumsy, but I was able to get my Kiwi MPG up and running in a few minutes by reading the instructions. Once installed, I found the Kiwi MPG very useful for determining instantaneous and average fuel efficiency of my 2004 Toyota Tacoma.

THE BAD: Unfortunately, the unit failed within the first 10 days of use. Symptoms were that it would not shut down after the vehicle was shut off. Rather it continued to operate and got very hot. Shortly after this symptom commenced, it failed altogether and just gave an error display. It was still functional if I shut it off manually and rebooted every time I started the truck, but clearly it was not working out. Unfortunately, since this was purchased through a second party seller, I had to deal with the seller rather than Amazon directly.

THE UGLY: After contacting the seller by email, I was instructed to send the unit back for a replacement, which I did. One week passed, then two...and ultimately five weeks and still no replacement. I contacted the seller via email again and was assured my replacement was on the way. More time passed and still no replacement. After this, I was able to locate a phone number on the web and after several tries over a number of days eventually contacted the company. I verified that they had received my return and again, I was assured a replacement was on the way. Again, weeks passed and no replacement.
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Verified Purchase
I purchased this to see if I could get better mpg out of my MY2009 vehicle by being aware of how my driving habits affect my mileage. This product adequately and accurately showed my average mpg for the first 3 days. After the 3rd day, the unit stopped connecting to my car and would only display an error message. I tried it in other vehicles with the same results. I contacted support at PLX and they informed me that it was a software issue and that I would have to pay to ship it to them in order for it to be updated. After complaining that I did not feel that I should even have to pay shipping for this problem, PLX offered to pick up the tab round trip.
So in summary-

Small size
rudimentary code reading/clearing ability
Accurate mpg
Costs less than a ScanGuage II

Product quality is probably only a couple steps above a diy electronics kit with a pre-fab case, but feels much more sturdy. Mine had rough edges where the cord attaches to the unit and the cord had some cut marks at the joint.
Buggy Software.
The unit gets very hot while in use.
The obd2 plug sticks out and gets in the way.
PLX should have worked out more of the bugs before trying to sell it as a finished product
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I just got it, so these are my first impressions:

1. It works. The complaint about the digits changing so fast you can't read them is BS unless you want to see 23.1 to 23.2 before it shows 23.3; the digits move pretty fast, but not so much that you can't tell what you need to know, i.e. "Boy did I dump the MPG when I did that!"

2. Workmanship and quality appears adequate. Not surprisingly rich-appearing, but not junky-cheap either, more economical but sound. You could break it if you mistreat it, but if you are reasonably careful with it, I don't see a problem.

3. For my vehicle, I have to calibrate it as it will not accurately display the correct MPG with the default fudge factor. So it will take some experimenting to know exactly what that value is. To calibrate it, you make it basically match the EPA rating for your vehicle, but I'd think you'd want to adjust again later based upon actual mileage from refilling your tanks if the variance is significant.

4. The thing is indeed very small (1" high x 2.5" wide x 0.5" thick - I don't think it's that thick!) and light: the approx 1/8" vinyl clad cord's torque will rearrange the readout with the slightest chance, so you must determine where you want it, and stick it down at that spot with some authority. This makes removing and eliminating signs that it was ever installed to prevent warranty issues a bit trickier than I had hoped. I have some ideas though, that I will try when I can.

5. The cord comes out of the right side of the display. This is good if you locate it to the left side, but wrong if you locate it to the right side--like on the console, which seems like a logical choice--see below.

6. The LED segment display is pretty bright.
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I bought this unit as I was curious to find out how good my mileage could be on my 95 Scion tC and how my driving style affected my mileage. It was not very expensive and provides a lot of information for the price. I do mostly highway commuting during the week and around town driving during the weekends.

The unit installed easily and the instructions were clear. It is very interesting to note the instantaneous mileage when you accelerate, cruise, go down hill and come to a stop. The information it provides makes you a lot more aware of how you drive. I am more careful on start ups from lights and provide more following distance in traffic to avoid having to use the brakes and then the throttle, pretty much what someone who drove a hybrid or was trying to be a hypermiler would do.

I had a couple questions about the meter and the customer support response I got was prompt (1 day email turn-around) and very helpful.

I have been using it for 4-6 weeks now and have seen an increase in MPG per tankful of between 2-3 mpg. I am now getting on average between 28-29 mpg with out much effort.

There are a couple things that would be nice to have added as options you could purchase when you buy the unit.

1) A right angle adaptor for the ODBII cable connector. This unit dangles down to where it could get tangle in your feet and if a right angle adaptor could be purchased the cable could be tucked out of the way and provide a safe and professional installation.

2) An installation plate that the unit could be mounted to and positioned in the center of the speedometer dial. This would allow for a professional looking installation and not mar any plastice with double stick foam mounts.
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