Top 10 Best Car Diagnostic Tools in 2021 Reviews

The best car diagnostic tools can help prevent unnecessary mechanic visits and costly repairs. These tools can turn off the check engine light. OBD2 diagnostic scanner tools are a must-have if you own a car. They provide a wide range of services ranging from turning the check engine light to oil reset. The scanners are also ideal for ECU programming, key coding, ABS bleeding, bi-directional control to injector coding among and much more. These tools are quite effective in helping you to save in the long run. A car diagnostic tool is one of the best investments you can make for your DIY repairs.

In this post, we help you find the best diagnostic tools on the market. These are premium diagnostic tools with pretty exciting features. OBD diagnostic tools can help troubleshoot small problems saving you the time and expenses of visiting a mechanic. You get to know your car is in good functioning condition and safe to drive. Read below and carefully choose one car diagnostic tool that best suits your needs and desires.

10. ANCEL AD310 Classic Diagnostic Enhanced Universal OBD

ANCEL AD310 Classic Diagnostic Enhanced Universal OBD

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This is a classic design OBD II scanner for fast scan and clear-code trouble-shooting. It is simple for beginners to use with ease. It helps save time by finding the time and fixing the errors. The scanner is versatile and works on most US-based, EU, and Asian-based car models from 1996. It is quite easier to determine the cause of the check engine light and turn it off. The scanner also monitors the readiness test as well as viewing freeze frame data. Overall, this is a well-built scanner with a large display. The scanner features a backlight and contrast adjustment for easy reading of data. Moreover, the scanner comes equipped with a long cable for flexible use.

Pros

  • Flexible use due to a long cable
  • Easy data reading due to a large and bright screen
  • Easy determination of check-engine light and switching it off
  • Compact and lightweight for easy carrying

Cons

  • Does not work with apps

9. AUTOPHIX OBD2 Scanner Enhanced Vehicle Code Reader

AUTOPHIX OBD2 Scanner Enhanced Vehicle Code Reader

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This is a car engine tool to read and erase trouble codes on your car. You can quickly learn and troubleshoot emission problems. The tool also helps turn off the check engine light and monitor resetting. It features a DTC library where you can find the code definitions and related problems. The scanner is quite easy to set up and use. It features a large 2.4-inch TFT screen for easy code reading. Besides, this scanner offers a wide range of diagnostic features. It can diagnose most USM EU and Asian-based cars from the year 1996. It also supports over 10 languages making it a pretty versatile tool. Overall, this is a powerful scanner with built-in 14 special functions.

Pros

  • 14-built-in special functions hence powerful
  • 10 languages for multiple uses
  • DTC library for easy code explanation
  • Easy to operate and use

Cons

  • Lacks use instructions but easy to understand

8. FOXWELL NT201 OBD2 Scanner

FOXWELL NT201 OBD2 Scanner

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This is a simple yet effective OBD2 scanner to consider buying. The scanner can check engine light cause and turn it off. This tool can save you money and time visiting a mechanic. This is a one-click smog-check scanner with an I/M readiness test. The scanner gives a quick smoke emission readiness check. It also verifies the drive cycle and checks the health status of your car. There is a further onboard monitor test to test O2 sensors and turn off the check engine light. Overall, this is a functional scanner with wide coverage and multiple language use. It is a necessary tool in your car toolbox and one to seriously consider buying.

Pros

  • Wide coverage and multiple languages
  • One-click Smog check for effective use
  • Compact and lightweight hence portable
  • Live data in graphs for easy data viewing and interpretation

Cons

  • Does not tell code description

7. Kobra Newest Version OBD2-Scanner Car Code Reader

Kobra Newest Version OBD2-Scanner Car Code Reader

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This is an accurate car code reader to diagnose and remove all check engine lights. It is a decent choice code reader that can transform your car into a smart car. The scanner comes with over 3000 definitions making data reading and explanation easier. This is a decent auto scanner that can diagnose in seconds. It is a mechanic-approved code reader that works on most car models since 1996. The scanner is highly rated and makes a great addition to our list. It is a risk-free purchase code reader that meets the highest quality needs.

Pros

  • Works on most car models
  • Diagnoses in seconds hence time-saving
  • Check-engine light eliminator
  • Over 3000 code definitions for easy code explanation

Cons

  • Not enough clear instructions

6. KONNWEI KW310 OBD2 Scanner Full OBDII

KONNWEI KW310 OBD2 Scanner Full OBDII

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This is a functional OBDII scanner for professional check-engine light. It is a diagnostic tool with advanced features and one that supports live data. This scanner can read and erase code faults in seconds. It is an onboard monitoring scanner tool with pretty exciting features. The scanner is versatile and works on all US, EU, and Asia model vehicles from 1996. It is a simple plug-and-play diagnostic tool to get your car status. Overall, this is one of the best scanner tools on the market to consider buying. Moreover, the scanner comes with a 3-year warranty.

Pros

  • Works on multiple cars thus versatile
  • Easy design for simple plug and play
  • Full OBD2 modes hence reliable
  • Check-engine light cause and turn-off

Cons

  • The power cable is a little too shot

5. NEXAS NL OBD2 Scanner Check Engine Light Car

NEXAS NL OBD2 Scanner Check Engine Light Car

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This is a compact and lightweight design car code reader with a protective carrying case. It is an elite version that supports 10 modes. The scanner reads and erases fault codes. It also allows you to view I/M readiness, freeze frame data, data stream and automatic data retrieve. It is a dependable design scanner capable of real-time live data presented in the form of graphs. The scanner works efficiently and one t have with you in your car wherever you go. Overall, this is a quality car code reader with a rare unique battery check. The scanner supports multiple car models and languages for versatile use.

Pros

  • Multiple car models and languages support
  • Live data graph presentation for easy reading
  • Portable and compact with a free carrying case
  • The scanner supports 10 full modes

Cons

  • Use mini USB ports

4. LAUNCH CRP123 OBD2 Scanner Engine

LAUNCH CRP123 OBD2 Scanner Engine

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This is a premium quality scanner engine with excellent powers. The scanner provides car owners the ability to preview and preset various data. It can also live stream data for engine, ABS, SRS, and AT data. The scanner features a large screen display for easy data reading. It can graph, record, and replay data via print. Overall, this is an advanced scanner tool to meet a variety of functions. The scanner provides extensive vehicle coverage with OBD 2 scanner. It is a highly recommended scanner tool with clear DTC codes.

Pros

  • Clear DTC codes for easy explanation
  • Compact and lightweight hence portable
  • Full OBDII support
  • Versatile and works on most car codes

Cons

  • Not easy to activate

3. Autel AutoLink AL519 OBD2 Scanner Enhanced Mode

Autel AutoLink AL519 OBD2 Scanner Enhanced Mode

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This is a simple turn-off check-engine light car scanner to consider buying. It is a quality scanner with enhanced modes for versatile use. It is an auto diagnostic scanner capable of figuring check-engine light and turning it off. The scanner also performs proper repairs and provides definitions with tips. It is a reliable design scanner with a complete mode to meet a variety of needs. Overall, this is a quality OBD2 scanner with unmatched vehicle coverage. The scanner features a patented- one-click smog check. It can help your vehicle pass various government smog checks seamlessly. This coupled with a lifetime warranty and zero risk purchase for confidence buying.

Pros

  • Patented one-click SMOG check
  • Unmatched OBD 2 vehicle coverage
  • Performs all 10 modes OBD2 tests
  • Lifetime warranty and free updates

Cons

  • A bit pricy

2. thinkcar Thinkobd OBD2 Scanner

thinkcar Thinkobd OBD2 Scanner

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This is a premium quality OBD 2 scanner with exciting features and reviews. It is a versatile scanner with full OBD 2 functions. The scanner is cost-effective and one of the most affordable on the list. The scanner features 10 enhanced obd2 modes and can perform a variety of diagnostic functions. It can read and erase codes with ease. This is a diagnostic scanner tool suitable for DIY individuals. It is a decent quality tool with wide vehicle coverage. The scanner tool also supports 7 languages for versatile use. Besides, this scanner also features a DTC lookup to get the definition of all codes. The scanner is versatile to use and comes highly recommended.

Pros

  • 10 obd2 modes support
  • Supports 7 languages and wide vehicle diagnostic
  • Cost-effective and reliable
  • DTC lookup library

Cons

  • Poor use instructions

1. NEXPOW Car OBD2 Scanner

NEXPOW Car OBD2 Scanner

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This is a newly upgraded car OBD2 scanner with multiple diagnostic functions. The scanner can determine the check-engine light cause, read and erase codes, view freeze frame,
I/M readiness test, BAT-Battery detection, Vehicle information, Data Stream, etc. It is a lightweight and compact design reader to consider buying. The scanner is pretty easy to use and operate. It also features easy-press buttons for convenient operation. You can easily diagnose and clear error codes as a beginner. Overall, this is a one-click DTC lookup scanner to find all code meaning. It also features a clear LCD screen for easy data reading.

Pros

  • Easy data reading due to large LCD screen
  • One-click DTC lookup
  • Strong compatibility
  • Lightweight and easy to use

Cons

  • A bit of a learning curve

Factors to consider when choosing the best OBD II diagnostic scanner tool

The best car diagnostic tool needs to provide a great balance of size, weight, and functionality. You need a diagnostic tool that can read any car troubles with ease. Below, we discuss important factors to bear in mind when choosing a car diagnostic tool.

Easy setup and use

Consider diagnostic tools that are easy to set up and use. After all, these diagnostic tools are for use by car owners to diagnose any car issues. You don’t need a complicated tool that will prove difficult to use. The ideal car scanner needs to set up in seconds and without any issues. This is important especially for beginners and persons without much car skills.

Faults and explanations

The best choice car diagnostic tool needs to show the faults of your car and explain them. While most diagnostic tools feature an explanation of the problems, most just show the error codes. They require one to visit online and search for the code meaning. Consider tools that show the fault and explain the meaning. This helps you save time and know what to do next.

Accuracy

The best car diagnostic scanner is as effective as the result accuracy. If the scanner results are not accurate, then there is no worthiness in owning the scanner. Make sure you consider a scanner that can provide accurate and reliable information.

I/M Readiness test

A suitable car scanner needs to run major engine tests to ensure your car is in fine working condition. Consider scanner with I/M readiness test. This is a great way to be sure your car is in a great state and can pass various state tests.

Size and weight

Next, you need to consider the scanner size and weight. A heavy and bulky scanner is only suitable when you don’t need to carry it anywhere. However, if you’re looking to carry and take your scanner wherever you go, then consider a portable and lightweight scanner.

Live data and graphs

The best OBD II scanner needs to tap into your car engine system and provide live data on the engine speed, timing, and other engine parameters. It gets even better when such information can be displayed in visual graphs for easy understanding.

Final verdict

In conclusion, these are the best car diagnostic tools on the market to consider buying. The tools are pretty easy to use and operate. They easily diagnose most car problems and troubleshoot them for efficient use. The tools can check the cause of the check engine light and turn it off. They are effective, easy to use and a must-have for car owners.

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