The Best automobile diagnostic machines of 2021 – Top 10 and Rankings

If you’re looking for automobile diagnostic machines but don’t know which one is the best, we recommend the first out of 10 automobile diagnostic machines in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
Manfiter OBD2 Scanner OBD2 Reader Turn Off Check Engine Light View Freeze Frame Data I/M Readiness Smog Check CAN OBD II Diagnostic Tool Fault Code Reader OBD 2 Scan Tool for Car Automobile Vehicle
  • 🚕 Exact & Quick: OBD2 reader with UPGRADED CHIP to read, diagnose and clears DTC, universal DTCs (Diagnostic Trouble Codes) meanings basing on built-in database(more than 3000 codes), determines the malfunction indicator lamp (MIL) status, turn off check engine light, shows engine parameters, scan I/M readiness / monitor status (UPDATED FUNCTION), views freeze frame data(retrieve data record)(UPDATED FUNCTION)
  • 🚕 Retrieve Vehicle Info: OBD2 code reader enables retrieval of the Vehicle Identification No. (VIN), Calibration ID(s), Calibration Verification Nos. (CVNs). VERY USEFUL to check whether the ECU matches your car when you are buying a used car. The OBD2 Code scanner retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes.
  • 🚕 Wide Car Compatibility: OBD2 scan tool is UNIVERSAL to fit all OBD2 protocols: KWP2000, ISO2000, ISO9141, J1850 VPW, J1850 PWM and CAN (Controller Area Network). Compatible with US vehicles since 1996 & European and Asian autos since 2000, OBDII vehicles, passenger cars, light trucks, suv. Great for gasoline cars but NOT suitable for DIESEL vehicles.
  • 🚕 Easy to Use: Use OBDII reader to read codes easily by just plugging in and pressing scroll and enter button. Don’t need annoying Bluetooth, app and computer. Don’t need battery. Wider LCD screen with white backlight shows. Support language: French German Dutch Spanish English. 28.8in / 73cm 16 pin obd2 cable allows you to sit comfortably for car diagnostic testing.
  • 🚕 Save Maintenance Cost and Time: tackle every automotive problem that might arise with this OBD2 diagnostic tool instantly. A compact, handy scan tool with manual in details as driver’s necessary backup. Start quick check of the car system and fix it. Risk-Free Customer Service, 1-year replacement in case any quality problem of the car OBD2 scanner. Just feel free to send us email for any problem.
SaleRank No. #2
FOXWELL NT624 Elite OBD2 Scanner All Systems Car Diagnostic Scan Tool with Oil Light & EPB Reset Service, Check Engine Code Reader for ABS SRS Transmission EPS HVAC Headlamp etc.
  • 🎁【Great Gift Idea】: Top preset choice for your father, husband, brother or boyfriend.EVERY CAR OWNER WILL NEED IT! It comes with high-quality case with rugged and handy design.Get NT624 Elite full system diagnostic scanner and give your lover a surprise! ⚡⚡⚡【PLEASE CHOOSE THE CORRECT OFFICIAL WEBSIDE 】WWW DOT FOXWELLTECH DOT US.
  • 👍【Full Systems Diagnostic Scanner From FOXWELL】 As the upgraded version of the NT614 elite car scanner, NT624elite scan tool meets your expectation for automotive scanner from entry level to professional, which includes both obdii and all systems diagnosis, even with most popular maintenance functions--oil reset & EPB service reset. Additionally,compared with other all system car diagnostic scanners with only one year update, Foxwell NT624 elite provides lifetime free update.
  • 👍👍【All Systems Diagnostic + Live Data in Graphic + Data Record and Playback & Print】 The biggest advantage of NT624 elite code readers & scan tools which makes it different from other automotive scanner diagnostic tool with the same price range is that it can diagnose many other systems besides Engine, Transmission, Airbags, ABS systems, such as BCM, HAVC, BMS, Digital Radio, Instrument Cluster, TPS, Park Steer Assist, DPF, TPMS, DSC, DME, Immobilizer, Steering Wheel,Wheels and more.
  • 👍【Oil Light Service Reset + EPB Service + Full OBD2 Diagnosis Features】NT624elite code scanner car diagnostic tool comes with 10 obd2 diagnostic function and the most commonly used service reset functions--oil service due and EPB reset service. 10 OBDII diagnostic service functions are available for 1000+ cars compatible with OBD2 protocols, which consists of reading codes, clearing codes, I/M readiness status, O2 Sensor Test, EVAP Test, Vehicle Information and etc.
  • 👍【Great Compatibility + Auto VIN】+【Plug and Play】 NT624 elite obd2 scanner provides quick diagnosis on all available systems of 1000+ worldwide mainstream cars models. With auto VIN scan feature, this foxwell obd2 scanner provides quick and accurate vehicle identification via auto VIN scan, helping you pinpoint the cause issue quickly by reading codes, freeze frame and real-time live data. This NT624 Elite odb2 scanner can be used out of box since it comes with existed software.
Rank No. #3
BOSCH Automotive Tools OBD 1150 Trilingual Scan Tool with AutoID, Live Data, ABS and Graphing
  • Compatible with ALL 1996 and newer import , domestic, diesel and hybrid vehicles (OBD II & CAN), as well as 1994 and 1995 OBD II compliant vehicles
  • Over 15, 000 generic and manufacturer specific DTC (Diagnostic Trouble Code) definitions
  • LIVE real-time data, over 300 possible data PIDs available (depending on vehicle)
  • Graph Live data
  • Read and erase DTCs, reset MIL and turn off Check Engine light
SaleRank No. #4
AA009 Car Fuel Leak Detectors, Diagnostic, Automotive Fuel Pipe System Leak Tester with EVAP System for All Cars, Motorcycles, Snowmobiles, ATV, Light Trucks, Boats
  • Easy to Use--It can be powered by the car’s battery, and Shop Air driven to increase duribility and ensure big smoke flow. It in quick smoke generation.
  • Convenient Tool for Mechanics -- Fuel Leak Detector designed for detecting the leakage of pipe systems on cars, motorcycles, snowmobiles, ATV, light trucks, boats
  • Specifications--Voltage: DC 12V. Smoke output pressure:0.5PSI. Smoke output volume: <8LPM. Smoke current: 6 AMP
  • Great Smoke Flow Control: Turn the red handle anti-clockwise to adjust the flow rate to a proper level
  • Application-EVAP System, Gaskets & Fitting, Throttles Shafts, Catalytic Converters, Disphragms & Seats. Head & tail lamp housing, EGR valves, Hoses, Brake Booster, Central Locking System, Door & Windows seals, Oil Leaks…and more!
Rank No. #5
AA009 Car Fuel Leak Detectors, Diagnostic, Automotive Fuel Pipe System Leak Tester with EVAP System for all cars, motorcycles, snowmobiles, ATV, light trucks, boats
  • Easy to Use--It can be powered by the car’s battery, and Shop Air driven to increase duribility and ensure big smoke flow. It in quick smoke generation.
  • Convenient Tool for Mechanics -- Fuel Leak Detector designed for detecting the leakage of pipe systems on cars, motorcycles, snowmobiles, ATV, light trucks, boats;
  • Specifications--Voltage: DC 12V. Smoke output pressure:0.5PSI. Smoke output volume: <8LPM. Smoke current: 6 AMP.
  • Great Smoke Flow Control: Turn the red handle anti-clockwise to adjust the flow rate to a proper level
  • Application-EVAP System, Gaskets & Fitting, Throttles Shafts, Catalytic Converters. Head & tail lamp housing, EGR valves, Hoses, Brake Booster, Central Locking System, Door & Windows seals, Oil Leaks…and more!
SaleRank No. #6
LAUNCH Creader 3001 OBD2 Scanner Automotive Car Diagnostic Check Engine Light O2 Sensor Systems OBD Code Readers Scan Tool
  • 🚩2021 New Elite Version, 🚩 Support full obd2 test, 🚩 Lifetime free update, 🚩 Fast Delivery.
  • [🔜 View Freeze Frame/📊Live Data Stream/ 🔜O2 Sensor/ 🔜MODE 8 Evap System test/🔜 MODE 6 On-Board Monitor Test] : LAUNCH Creader 3001 is one useful and economic OBD2 FULL FUNCTION automotive diagnostic tool, support read live data for engine system, quick detecting vehicle failures, saving you the trips to your mechanic.
  • [ 📉I/M Readiness Status Test Scan Tool] : You can use this obd2 scanner to 🔺check the status of emission-related monitors misfire system and fuel system, make sure the monitor was set before taking it to smog, 💯help you pass the Smog Check easily, save your money for paying fine tickets.
  • [ 📍Check Engine Light and 📍Identify VIN information] : 💯Turns off the MIL , if you finished repairing the faulty components, then clear the fault codes and turn on the vehicle ignition, it is surprise that you will find the check engine light is off. And more, LAUNCH Creader 3001 obd2 scanner can read the car's information such as VIN number.ve your money for paying fine tickets.
  • [ 🚘Read and Clear Codes Reader]: LAUNCH 3001 obd2 scanner read and clear fault codes for engine system. In addition, 🔺Creader 3001 built in fault codes definition lookup library. LAUNCH Creader 3001 obd2 scanner works on most 1996 and newer US-based vehicles that are OBDII compliant ( KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN).🔺 "PLUG AND PLAY" scan tool, equipped with a 2. 5 feet long cable and made of a very thick flexible insulator, very easy to use for beginners.
SaleRank No. #7
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool-Black
  • Classic design, fast scan and clear trouble codes, even a beginner can use this unit to read the error code, find out what the problem is and perhaps fix it. Save money and time.
  • Works on MOST 1996 US-Based, 2000 EU-Based and Asian cars, and newer OBD II & CAN domestic or import vehicles. Supports English, German, French, Spanish, Finnish, Dutch, Russian and Portuguese.
  • Easily determines the cause of the check engine light. I/M monitor readiness test, turn off the MIL (check engine light) as well as view freeze frame data. Read hard (memory) / pending (intermittent) and historic codes and show definitions.
  • The AD310 scanner is well built with a large LCD display (128 x 64 pixel) that has white backlight and contrast adjustment, indicates test results directly. No need any Batteries or Charger, gets the power directly from the OBDII Data Link Connector in your vehicle.
  • It's equipped with a 2. 5 feet long cable and made of a very thick flexible insulator. There are 4 buttons on AD310. The Up and Down button for scrolling the menu, the Enter and Exit button allow for navigation back and entering menu.
Rank No. #8
FOXWELL NT201 OBD2 Scanner Check Engine Light Car Code Reader Emission Analyzer Car Diagnostic Scanner for All Cars
  • 🎄【Top OBD2 Scanner】 Recommended by Ezvid Wiki and Onsite Associates Program. Car care and repair can be expensive, especially if you don't know what the issue is.While you can take it to a mechanic who should have the right tool to diagnose the problem, having OBD2 scanner like FOXWELL NT201 can save you money and time by locating the issue yourself.
  • 🎄【One-Click Smog Check】This car scanner with One-Click I/M Readiness key for quick state emissions readiness check and drive cycle verification,test results of your vehicle health status clearly and vividly in graphical way you’ll see if the car is ready to pass the emission test, without the hassle of driving around endlessly, or continuously coming back to the repair shop for retest.
  • 🎄【Car Health Doctor】 The OBD reader contains all 10 modes of obd2 tests, quickly read and erase code,On-board monitor test (Mode 6), EVAP system,test,O2 sensor, turn off CEL(check engine light), reset monitor, retrieve VIN of your vehicle,live data in both graph and text forms, freeze frame data,built-in DTC look up library can be automatically displayed after reading.
  • 🎄【Wide Coverage & Multiple Language】NT201 vehicle check engine code reader works on most gasoline domestic and import vehicle 1996 US-Based, 2000 EU-Based and Asian cars,included light-duty trucks (12v only), SUVs and mini-vans with standard OBDII/EOBD/JOBD&CAN protocol. Supports all OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN. 5 kinds of language avaliable :English, German, French, Spanish, Italian.
  • 🎄【A Necessity in Your Vehicle Toolbox】Designed with 2.4' TFT colorful LCD display screen, No battery required, the scan tool is charged directly from the OBDII interface in your vehicle (please turn your vehicle ignition on), making it convenient for Home and Autoshop Mechanics.Lifetime free update via a computer(Windows 7/8/10 ONLY).No need to read the manual to know what to do, even for a beginner.
Rank No. #9
SEEKONE OBD2 Scanner Professional Car OBD II Scanner Auto Diagnostic Fault Code Reader Automotive Check Engine Light Diagnostic EOBD Scan Tool for All OBDII Protocol Cars Since 1996(Enhanced SK860)
  • 【A Professional Vehicle Doctor for Car Owners, Easy to Use】 -- The obd2 scanner can quickly read and erase DTC (engine fault codes), on-screen DTC definitions and built-in DTC look up library allow you accurately determine causes of the check engine light and turn-off Check Engine Light, Reset Monitors; I/M Readiness Monitoring; Graphical and Numeric Live Data Stream; Automatic VIN acquisition, etc.
  • 【Strong Compatibility】--Works on most gasoline vehicles 1996 US-Based, 2001 EU-Based and Asian cars, and newer OBD II/Eobd & CAN domestic or import vehicles. Supports all OBDII protocols: KWP2000, ISO9141, J1850 VPW, J1850 PWM and CAN. 8 kinds of language avaliable :English, German, French, Spanish, Italians, Dutch, Russian and Portuguese.
  • 【Exclusive OBDII Diagnostics】-- This automotive scanner with unique one-click I/M readiness status design, which make it easy to use this car scanner right out of the package. Red-Yellow-Green LEDs and build-in speaker indicate emission monitor status allow you easily determine whether your vehicle meets the State Emission Monitor Status and assist you to pass the Smog Check.
  • 【A Necessity in Your Vehicle Toolbox】-- Anti-shock and Slip Designed OBD2 Code Scanner for Cars, 15ft Height Drop-test Passed, Survive Longer in Complex Environment. 2.8" TFT Big Size LCD Color Screen and More Comfortable Hand Feeling. Exclusive 5-ft Long Diagnostic Cable Allows You to Perform a Professional Diagnostics In or Out of Your Vehicles. No battery required, it is charged directly from the OBDII car scanner interface in your vehicle.
  • 【Lifetime Updateable and Warranty】--SEEKONE provides life-time FREE software update to fix the latest bugs or add newly parameters which makes it compatible to more vehicles in future and store newest car model data. Just download the software from website in the manual, then follow on-screen instructions to go, very easy. Please Note: CAN NOT be update on MAC SYSTEM! 100% Full Refund & Return Guarantee and Lifetime Free Warranty
SaleRank No. #10
FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
  • 😀【Vehicle CEL Doctor】The obd2 scanner can quickly help you read DTCs (engine fault codes), locate bad O2 sensor, access to emissions readiness status, turn off check engine light(CEL) or MIL(Malfunction Indicator Lamp) , reset monitor, read enhanced data and retrieve VIN of your vehicle.
  • 😀【Accuracy & Streams】Live data in both graph and text forms. Accurately read vehicle error codes for most Worldwide cars, SUVs, light truck and 12V diesels equipped with Obd2. Besides, the car scanner also shows live vehicle sensors data in text and graph format and allows you to focus on any suspicious or symptom-specific data parameters.
  • 😀【Worthy to Own】Recommended by Mechanic Scotty Kilmer on Youtube. Supports data logging and Printer compatible. Unique PATENTED design, clearly arranged keypad, 2.8" wide color screen with Life-Time Free software update and 1 year quality assurance, it deserves to own. Supported by EXCLUSIVE engineer and service team for product and service quality. (Please note currently the package does not include a CD. )
  • 😀【Smog Check Helper】Read/Erase and I/M readiness hot keys make it easy to use this car computer reader right out of the package. Red-Yellow-Green Leds and build-in speaker indicate the readiness status for smog test. The obdii scan tool also help catch intermittent problems and confirm repairs during a drive cycle, so that help you quickly determine the health of the car.
  • 😀【Home Necessity】NT301 car scanner is open to global customers. No battery required, it is charged directly from the OBDII interface in your vehicle (please turn your vehicle ignition on), making it convenient for Home and Autoshop Mechanics. It is recommended as a necessity in your toolbox and one of the best gifts for father. (Quick Start Guide is included in the package.)

How Do You Buy The Best automobile diagnostic machines of 2021?

Do you get stressed out thinking about shopping for a great automobile diagnostic machines? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching automobile diagnostic machines, which is why we have assembled a comprehensive list of the greatest automobile diagnostic machines available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for automobile diagnostic machines that you consider buying. Your questions might include the following:

  • Is it worth buying an automobile diagnostic machines?
  • What benefits are there with buying an automobile diagnostic machines?
  • What factors deserve consideration when shopping for an effective automobile diagnostic machines?
  • Why is it crucial to invest in any automobile diagnostic machines, much less the best one?
  • Which automobile diagnostic machines are good in the current market?
  • Where can you find information like this about automobile diagnostic machines?

We’re convinced that you likely have far more questions than just these regarding automobile diagnostic machines, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for automobile diagnostic machines, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible automobile diagnostic machines. Make sure that you are only using trustworthy and credible websites and sources.

We provide an automobile diagnostic machines buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available automobile diagnostic machines currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of automobile diagnostic machines has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an automobile diagnostic machines?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your automobile diagnostic machines.
  5. Customer Ratings: Number ratings grade automobile diagnostic machines objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their automobile diagnostic machines.
  7. Product Quality: You don’t always get what you pay for with an automobile diagnostic machines, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an automobile diagnostic machines is should be an indication of how long it will work out for you.

We always remember that maintaining automobile diagnostic machines information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding automobile diagnostic machines is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.