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INNOVA 3140 OBD2/OBD1 Scan Tool with OBD2 Live Data

4.2 out of 5 stars 476 customer reviews
| 191 answered questions

Price: $247.15 & FREE Shipping. Details
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  • Designed to retrieve diagnostic codes in all OBD2 (1996 and newer) and some of the most popular OBD1 (1981 to 1995) vehicles
  • Provides SAE enhanced Live Data - views, graphs, records, and plays back live PCM data streams on screen
  • Multilingual on screen definitions and interface - English, Spanish and French
  • Battery backup memory provides off-car review and analysis
  • Unit can be USB (cable included) flash updated with a standard Windows PC (OBD-PC Link software required / included with tool)
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$247.15 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • INNOVA 3140 OBD2/OBD1 Scan Tool with OBD2 Live Data
  • +
  • Docooler Obd-ii Obd2 16pin Male to Female Extension Cable Diagnostic Extender 150cm (5ft)
  • +
  • OBD-II & Electronic Engine Management Systems (Haynes Repair Manuals)
Total price: $283.59
Buy the selected items together

Product Information

Color:Black & White

Technical Details

Brand Innova
Item Weight 4 pounds
Product Dimensions 15 x 3 x 10.2 inches
Item model number 3140
Manufacturer Part Number 3140
OEM Part Number 3140
Folding No

Technical Specification

Additional Information

ASIN B000R3SNJU
Customer Reviews
4.2 out of 5 stars 476 customer reviews

4.2 out of 5 stars
Best Sellers Rank #65,835 in Automotive (See top 100)
#193 in Automotive > Tools & Equipment > Diagnostic & Test Tools > Code Readers & Scan Tools
Shipping Weight 4.3 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 7, 2004

Warranty & Support

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

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Product Description

Color: Black & White

Equus Ford Code Reader Extension Cable for EPI3145

From the Manufacturer

3020 3030 3100 3120 3150
Read & Erase Check Engine Light OBD2 Trouble Codes
Vehicle Health Monitors for Instant Vehicle Emissions Check
Read & Erase ABS Light Trouble Codes for most GM, FORD, CHRYSLER, & TOYOTA
All-in-One Patented Screen
USB for tool Updates and Upgrades
Battery Backup
Code Definitions with Multilingual Screen in English, French, and Spanish
Read & Erase Check Engine Light OBD1 Trouble Codes Optional with Upgrade
Read & Erase SRS Light Trouble Codes for most GM, FORD, CHRYSLER, & TOYOTA
3040 3130 3140 3160
Read & Erase Check Engine Light OBD2 Trouble Codes with Battery Backup
Vehicle Health Monitors for Instant Vehicle Emissions Check
Read & Erase ABS Light Trouble Codes for most GM, FORD, CHRYSLER, & TOYOTA
USB for tool Updates and Upgrades
All-in-One Patented Screen with Code Definitions in English, French, and Spanish
View Live Data from your engine
Read & Erase Check Engine Light OBD1 Trouble Codes Optional with Upgrade Optional with Upgrade
Graph, Read and Record Live data values from your engine
FixAssist built into tool for Instant Vehicle Repair Tips
Read & Erase SRS Light Trouble Codes for most GM, FORD, CHRYSLER, & TOYOTA

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Color: Black & White
I've been working on cars a while now and I've used a few of these type of code readers/scanners (Snap-on and Mac) and I've found that this one does almost everything you would expect a pro model to do and a price that can't be beat. Shows everything you really need to know, the screen is very large and easy to read, the button layout is good, but can be confusing at first, there should have been an extra button or two as some of the controls do double or triple duty, you have to read the manual and have it on hand until you get used to the controls. I've used it right away to diagnose a problem in my late model truck and have plugged it in to a number of makes and models with great success. It's results are almost as detailed as say the Snap-on, but it costs 1/10 the price! The included software is nice, but not as full featured as it should be in saving data results. I highly recommend doing a firmware update to the unit, mine shipped with firmware 1.0 and the new firmware v2 adds some extra diagnostic functions, such as advanced DTC codes for some makes and updates the DTC code library in the unit, the unit seemed to read live data faster as well. Being able to read OBD I codes is a plus, but there are many limitations on the makes and models, a glaring omission is the lack of Nissan OBD I (Just because I own a older Nissan!). I do all my own repairs and would highly recommend this unit. The unit comes with two nylon cases, one for the unit, OBD II cable, manual and the other for pc serial cable and OBD I adapters and the cases zip together for easy transport. I do have one big complaint, this is 2007, who uses serial connectors anymore? my laptop does not even have one, I have to go out and buy a serial to USB2.0 adapter, it works well and the unit synced fine with my laptop with the adapter, but you would figure that they would have put the serial connector to rest by now.
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Color: Black & White Verified Purchase
i recently purchased a 3140 scanner and have found it works really well on obd2 vehicles but on obd1 it has some short falls i own a 93 dodge truck and it will flash out 4 codes through the check engine light but the scanner only retrieves 2 of them i also tried it on a 92 chevy astro van with a egr code the scanner did not retrieve that code either i emailed the companys tech support a couple weeks ago about it and still have got no reply figured this might help some people considering their purchase p.s.it does not work on a 95 grand am with a 3100
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Color: Black & White
My 3140 arrived with PC_SOFTWARE 1.32, and FIRMWARE 1.01
To update:
Install the software from the CD onto your computer, connect the tool to the PC, and turn on the tool. A "USB Serial Adapter" such as Keyspan High Speed USB Serial Adapter ( USA-19HS ) makes this much easier.
Select "Update" from the PC software menu --- and it will say a PC_SOFTWARE update is available, but your hardware is "up to date".
Download the new PC software (17 mb file), install, and run it.
Hit "Update" again now, and it will say that a FIRMWARE update is available. Download the new 'BIN' file (2 mb), and install it in the tool as outlined in the directions.
Currently I have PC_SOFTWARE 1.33, and FIRMWARE 1.02
2 Comments 97 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Color: Black & White Verified Purchase
I purchased this unit for personal use. I have used it to trouble shoot problems on a 1993 Lincoln Towncar: It worked perfectly and correctly diagnosed the problem - EGR. I corrected the problem and cleared the code.
light has not returned. I had a little difficulty with 2 1995 Chevy Caprice's (Both OBD1)-one 4.3L and 5.7L the Tech support number was helpful and I was able to get it to pull up the SES Codes. (earlier year and different engine VIN code) TEch said it would not read an LT1 but I got it to pull codes. [EGR on one and driver's side O2 Sensor on the other - (Both correct diagnosis). I have also used to to read and clear codes on a 1996 Impala SS (Air Pump), and 2003 Silverado (EVAP System).
So far I am very happy with this units functionality and ease of use. It offered the broadest coverage and functionality of any unit in this price range. AMAZON.COM also had the best deal I could find anywhere = (Approx 1/2 of list$)
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Color: Black & White Verified Purchase
I bought this for use with several cars: 1994 Lincoln Mark VIII, 2002 Chevy Astro Van, 2007 Honda Civic, 1988 Ford Mustang, 2003 Toyota Avalon, and a 1997 Mitsubishi Montero. That represents a good mix of OBD I and OBD II cars.

I found the OBD I functions to be a VAST improvement over the single-make only units I had before. Since I stink at counting beeps and flashes, a lot of user error is eliminated. It is also nice that the OBD I adapters use a long cord, since some of my cars have the connector mounted under the hood, which makes some tests and troubleshooting difficult.

OBD II functions are just as cool as you would expect, but I have yet to use the recording function, but I imagine its cool. I know my buddy has an Actron that locks up from time to time, this one has not locked up on me yet. The all-at-once screen and backlighing features are fantastic.

The software is very nice. It is simple and easy to use. I use an old Gateway Pentium III laptop running Windows 98SE with 288Megs of RAM, and it works like a champ. I did not see any information at all on what the minimum requirements are, but most of you will be running something newer/more powerful than my machine. The laptop is so old that it has a real serial port on the back of it, so no USB adapter was needed. Those who need a USB-to-Serial cable might want to consider getting an old used laptop instead, since the one I use was less than $30 on an auction site.

Others are having problems upgrading their software and firmware, but I had no such issues. Once I had the software installed I was able to update the software to version 1.33, restart, then update the firmware to 1.02. The software install took a few minutes, but the firmware update took over 15 minutes.
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