Are you looking for a reliable and affordable scanner solving Check Engine Light warnings of all OBD2 vehicles? If yes, the Innova 3040e will be the best choice for you.
First, let’s check out how the Innova 3040E compares to some other scan tools.
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Innova 3040E vs Autel Al619 vs KONNWEI KW850 comparison chart
![]() Innova 3040E | ![]() Konnwei KW580 | ![]() Autel AL619 |
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Product Dimensions | 10.6" x 7.5" x 1.8" | 9.5" x 3.9" x 2" | 7.8" x 4.1" x 1.5" |
Item Weight | 9.1oz | 1lbs | 2.05lbs |
Pros | Compatible with a wide range of car, light truck, SUV, or Hybrid; Reads and erases MIL; Can reset the Oil Service light; Displays Live Data; Read and erase ABS light trouble codes; Extensive coverage; Lifetime Free Software Updates. | Compact, strong and durable; Excess voltage protection; Unique, ergonomic and compact design. | Various OBDII Functions; Offers ABS/SRS code reading & Clearing functions; Compatible with OBDII and CAN; Includes DTC Lookup; Shows Advanced Mode 6 data. |
Cons | Possible Compatibility and malfunction Issue; | Possible compatible issues. Possible Trojan Viruses from the software. | Not cover all OBD2 Vehicles, including GM after 2013, Audi 2000 ABS codes. |
Bottom Line | Innova 3040e is great for DIYers and average car owners. | KONNWEI KW850 is a great OBD2 Scanner for DIY. | Autel Al619 is an excellent option of OBD2 scan tool for average vehicle owners and DIYers. |
Read more: Tim’s in-depth review of KONNWEI KW850

Innova 3040E overview

This is a high-quality code reader that can accurately scan, read, diagnose, and erase erroneous codes.
The Innova 3040 E is compatible almost with all OBD2 vehicles. Other than that, this scanner is reliable, easy to use, convenient, lightweight, and economical.
Innova 3040E detailed review
Compatibility
The Innova 3040 E is perfectly compatible with a wide range of vehicles like cars, minivans, SUVs, hybrids, and trucks. It works with almost all OBD2 cars manufactured in 1996 or the relatively newer vehicles.
The 3040 E can solve the “Check Engine” light warning problems of domestic and foreign OBD2 vehicles.
You can diagnose and erase Anti-lock Braking System (ABS) light trouble codes of GM, Ford, Honda, Toyota, and Chrysler vehicles.

Functionality
The Innova 3040 E is a reliable tool for all DIYers, car owners, and enthusiasts.
The product scans and reads “Check Engine” light warning and ABS light trouble codes. Furthermore, the 3040 E can erase these trouble codes. You can reset the Oil Service light of all OBD2 vehicles manufactured in 1996 and newer.
You can even use this product to check and inspect the performance of the alternator and battery of your vehicle.
Interface
The 3040 E comes with a large, well-lit, and colored display (LCD screen). In addition, using this rich, colorful, and intriguing interface, you can scan, erase, and reset “Check Engine” light warnings and Oil Service Light.
Lifetime free software updates
The Innova 3040 E comes with a fantastic feature. You can install all of the available software updates (for free) and ensure that your device is well-functioning and compatible with the latest technology.
Customer support
The product comes with a multilingual Customer Support facility. So, if you are facing any problem, you can avail of the customer support facility in English and Spanish (from Monday to Saturday).
The ASE certified technicians of Innova will strive their best to provide quick and prompt assistance if you face any problems. Apart from this live customer support facility, you can access Repair Solutions (with a free subscription for one year).
Shortcomings
You cannot use this product to detect or diagnose vehicles made before 1996. It should work properly with most OBD2-compliant cars that are manufactured either in 1996 or newer.
Who is it built for?
According to the specification, the product can be useful for all DIYer, car owners, and car enthusiasts.
As you probably know, MIL (Malfunction Indicator Light) or Check Engine indicates that the engine computer has set a DTC (Diagnostic Trouble Code).
It’s a pretty common problem. However, this problem is not difficult to diagnose and extremely easy to fix (when you have access to the right tool like Innova OBD2 car reader).
Check Price at AmazonThe bottom line
All in all, the Innova 3040 E is widely used to read and clear Check Engine Lights.
You can also use this toolkit to reset faulty oil light sensors.
The best part is that the product is reasonably priced. It’s lightweight, convenient, easy-to-use, and compact.