Best Top 10 Engine Code Readers Reviews

  1. ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader
  2. OBD2 Scanner, AL200 Code Reader for Reading/Clearing Check Engine Light, I/M Readiness Checking
  3. AUTOPHIX Orange OBD2 Scanner Enhanced OM126P Vehicle Code Reader Auto Diagnostic Check Engine
  4. kungfuren OBD2 Scanner, OBD2 Code Reader Universal Car Automotive Check Engine Light Error
  5. BAFX Products Bluetooth Diagnostic OBDII Reader / Scanner for Android Devices
  6. LAUNCH OBD2 Scanner CR319 Scan Tool Universal Automotive Engine Fault Code Reader Checks
  7. Autel MS309 Universal OBD2 Scanner Check Engine Fault Code Reader, Read Codes Clear
  8. NEXAS NL101 Car Code Reader Automotive Diagnostic Tool Check Engine Light Obd2 Scanner
  9. OBD2 OBD Scanner Professional Diagnostic Car Scanner Tool and Car Code Reader, One
  10. AstroAI OBD2 Scanner, OS320 OBD II Automotive Vehicle Engine Fault Code Reader Diagnostic


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.

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.

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.

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.

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.


Easy smog test: this obd2 scanner also features i/m readiness status function to check if all tests required by the ecu are completed, so you can check related components and systems status and fix the existing problem in time, to be ready for the annual emission inspection.

Languages & vehicle coverage: this obd2 scanner supports 4 languages: english, french, german, and spanish. most 1996 and newer worldwide vehicle models, including toyota, honda, ford, chevrolet, etc. are covered in this code reader al200.

Quick mil turn-off: this obd2 scanner features plug & play for quick access to retrieve generic (p0, p2, p3, and u0), manufacturer specific (p1, p3, and u1) codes and pending codes, and clear diagnostic trouble code (dtc) to turn off the annoying check engine light on your dashboard.

Abundant functions: this obd2 scanner comes with “dtc lookup” (to explain the specific dtcs); “vehicle information” (to identify vehicle information of vin, cins, and cvns), “freeze frame data” (to review the parameters and information stored when a fault occurs).

Quality customer service: this code reader is under the warranty of 12 months from the date of the purchase, ensuring the high-level product quality. welcome to contact us anytime via q&a, email, or 7*24 hours’ hotline to get satisfactory service.


➤【enhanced scanner with 15 obdii modes】built-in 15 special functions in 1 car reader, read and erase stored emission related codes, pending codes, and show code definitions, data steam, show live data in graph format, retrieve i/m readiness and freeze frame, review & print diagnostic data , on-board monitoring, and show the vehicle information. support to o2 sensor and …

➤【easy to operate】the om126p car diagnostic tool via 2. 4″ tft 262k true color lcd display screen to indicates the test results , with the silicone keypad you can easy to access the each of menu options, the i/m readiness hot key can check the state emissions readiness check and drive cycle verification, the menu layout on the screen is easy to understand and you will n…

➤【check car engine tool】the om126p enhanced obdii scanner can read and earse the trouble codes that can cause emission problems with your vehicle, turn off the mil (check your car engine) and reset the monitor, built in a dtc lookup library you can find the related code definitions to help you determine if your car needs repair, save you time and money.

➤【wide range diagnose】works on all after 1996 and newer vehicles models in the usa(obd ii&can) or other imported vehicles. quickly read and erase the dtc on all obd ii protocols vehicles: can, j1850 pwm, j1850 vpw, iso9141 and kwp2000 and support for 10 languages: english, french, spanish, german, russian, italian, finnish, portuguese, polish, dutch, which make it easy …

➤【worry-free service】om126p obdii diagnostic scan tool supports a lifetime free software update and review&print diagnostic reports from the autophix website, just connect to a computer via usb (for windows 7/8/10 only), and we offer one year , if you are not sure if your car is compatible, please feel free to contact us first.


➤【practical & multi-functions】 obd2 code reader features built-in obd2 dtc lookup library, help you to determine the cause of the engine light, read code, erase code, view freeze frame, i/m ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed. convenient and practical, g…

➤【accurate & easy to read】 designed with a large clear lcd display screen, which is with white backlight and contrast adjustment for direct display test results, accurate and easy to read. even a beginner can use this osd2 scanner to read the error code, find out what the problem is and perhaps fix it. save your money and time.

➤【powerful compatibility & compact design】 universal obd2 scanner works on most 1996 us-based cars suvs light trucks, 2000 eu-based and asian cars, vehicles with all obd2 protocols can, iso9141, j1850 vpw, j1850 pwm, kwp2000. supports up to 6 languages: english, german, dutch, italian, french and spanish. with a compact size, easy to hold and carry. please note: this ob…

➤【easy to operate】 no need any battery or charger, this obd reader gets the power directly from your vehicle through the obd2 data link connector. just simply plug in the obd interface to start diagnosis. there are 6 buttons on obd2 scanner: scroll up/down, enter/exit and buttons that quick query vin vehicle number& the dtc fault code. very easy to operate.

➤【compact & portable】 the handheld and compact design obdii code readers is portable, makes it simple-to-use and easy to handle with an anti-skid surface while diagnosing. and the small size means that you will be able to store the tool without encountering any sort of hassle. the obd2 code reader is equipped with 2.5-feet long cable enables you to sit comfortably runni…

Bafx Products

Compatibility – our obdii reader will work on all vehicles purchased in the usa model year 1996 or newer; unlike other obd2 readers, ours works on all obd2 protocols including j1850 and can

Monitor & analyze – a must have tool for any diy mechanic; you can read and clear your check engine light and monitor different vehicle sensors in real time to better locate your problems

Not compatible with ios devices (iphones, ipads etc) for ios devices, see our wifi obd reader; this version of our bluetooth obd2 scanner and is only compatible with android or windows devices

2 year warranty – for 2 years you will be covered by our warranty against all manufacturing defects; with a hassle free claims process and friendly usa based support you cannot go wrong

Important – please follow all setup steps indicated in instructions for a successful connection! this obd2 scanner does not read abs, srs, tpms, oil change or any other non-obdii related lights


👍enhanced obdii functions: being capable of performing full obdii diagnostic functions like read/erase codes, i/m readiness, data stream, freeze frame, support to o2 sensor test, on-board monitor test, evap system test, vehicle information, the creader cr319 is suitable for diyers to efficiently troubleshoot the check engine light and the diagnostic trouble codes. inste…

🏢dtc library: cr319 has a built-in dtc library that enables you to directly identify the code definitions on the screen, saving time searching online. and it has multilingual software for easier diagnostics: english, french, spanish, german, russian, italian, and portuguese.

💰cost-effective: the lowest price for the full obd2 function on the amazon. the cr319 obd2 scanner is an upgraded version from the more basic code reader with additional functions of o2 sensor test, evap system test, and on-board monitor test, to initiate a leak test for vehicle evap system, or to troubleshoot the fuel efficiency and vehicle emission’s status. 🔔 the obd…

🚗extensive vehicle coverage: the automotive scanner is compatible with the iso9141, kwp2000, j1850 pwm, j1850 vpw and can obd2 protocols, and it works on most 1996 and newer obd2 protocols vehicles sold in the us, europe and asia.

📌 design: plug-and-play scan tool that allows you to test cars directly once you get it, very easy to use even for beginners. 2. 5-feet long obdii cable for flexible and durable. 1. 77-inch tft screen for clear data viewing. you’re able to do it on your own, saving hundreds of bucks. ✔no battery or charger is required as it directly gets power from vehicle dlc.


Freeze frame data for accurate diagnosis: this ms309 check engine code reader comes with viewing freeze frame function that enables you to retrieve data recorded in the ecu of the condition under which the fault occurs to figure out why the check engine light is on and cut down test drive cycle verification time. it includes important engine parameters such as rpm, vehi…

Unmatched compatibility: autel ms309 compact pocket code reader supports all obd2 protocols: kwp2000, iso2000, iso9141, j1850 vpw, j1850 pwm and can. this obd2 code scanner is compatible with all obdii-compliant vehicles, passenger cars or light trucks, post 1996 in us, post 2000 for eu-based and asian cars.

Turn off check engine light: autel ms309 obdii scanner is an easy-to-use plug-n-play check engine code reader that read and clear codes. this little code scanner retrieves generic (p0, p2, p3, and u0), manufacturer specific (p1, p3, and u1) codes, and pending codes and displays dtc definitions on the tft color screen. it can check engine related fault codes, easily find…

Readiness status to pass smog check: the autel ms309 car diagnostic scanner tool comes with i/m readiness function to check the operations of the emission system on obd2 compliant vehicles. it includes vehicle-specific number of monitors like misfire monitor, fuel system monitor, comprehensive components monitor, o2 sensors, evap system and etc, making this obd2 scan to…

Retrieve vehicle info: the autel ms309 automotive obd2 scanner enables retrieval of the vehicle identification no. (vin), calibration id(s), calibration verification nos. (cvns). this function is most useful to check whether the ecu matches your car when you are buying a used car. the ms309 auto car scanner comes with lifetime free software updates and is backed by 45 d…


【battery power monitor】the nl101 car code reader can read real time battery voltage, monitor car battery health status, and give out 6 warning tips for your to maintain your battery,it offers such useful information for entry-level pros and savvy diyer that they can quickly and efficiently troubleshoot obd2/eobd problems on today’s vehicles, meantime also watch out the …

【monitor diagnostic tool】the i/m readiness function can check the state emissions readiness check and drive cycle verification, indicate whether or not the various emissions-related system on the vehicle are operating properly and are ready for inspection and maintenance testing.

【fault code reader】nexas nl101 car obd2 scanner helps you to check the car engine fault codes, displays the error code definition, finds out what caused and result of the check engine light on, turn-off malfunction indicator lamp (mil), provides you the solve methods and reduce/avoid maintenance costs. save time and money.

【enhanced diagnostic modes】including 10 modes obd2 diagnostic functions: read and erase fault codes, view i/m readiness, data stream and freeze frame data, retrieve auto vehicle information, o2 sensor test to accurately locate bad o2 sensor, advanced on-board monitoring, and the evap test function lets you initiate a leak test for the vehicle’s evap system.

【worth to own】the nl101 obd2 scanner supports lifetime and free upgrade software (only support to win xp and win 7 system), buy one nl101 car code reader will get 24 worry-free online service, small and powerful, best gift for man.

KOBRA Products

✔ check engine light eliminator – this auto scanner and car scan tool retrieves both generic, as well as car manufacturer-specific diagnostic trouble codes (dtc), helping you overcome any troubleshooting with ease. you will be able to clear the “check engine” light indication and other trouble codes, effortlessly!

✔ mechanic approved – the kobra obd2 car diagnostic code reader works with all 1996 – 2016 vehicles and is seamlessly compatible with all obdii / eobd compliant us, european and asian vehicles. obd2 is standard on all cars sold in the us since 1996. supports can, vpw, pwm, iso and kwp 2000 protocols.

✔ accurate results – remove all check engine lights instantly! transform your car into a smart car with this car diagnostic tool by kobra. with a database of over 3000 code definitions, this premium obd2 scanner reads generic and manufacturer-specific trouble codes and diagnoses your car like a pro.

✔ diagnose in seconds – don’t be taken advantage of again! know what is wrong your car before taking it to a mechanic. unlike other car code readers, our obd 2 scan tool is an all in one car code scanning tool. all you need is to attach the wired connection and you can diagnose any car problem in seconds!

✔ 100% risk free purchase – providing you with the friendliest customer service is our primary goal. this is why we offer you a 1 year money back guarantee in case our automotive scanner does not live up to your expectations, no questions asked!


Easy and compatiable: connect to your vehicles then quickly identify error codes, also available for beginners. works on most 1996 and newer obdii compliant us, european and asian vehicles. supports all obdii protocols, including iso9141, kwp2000, j1850 pwm, j1850 vpw and can. supports various languages: english, french, spanish, german, russian and dutch

Update and print: provide life-time free software update by connecting your pc terminal with the usb cable and print out diagnostic report at any time. (not compatible with mac system). just download the software through the website on the bottom of the instruction coming with the product

3 year provided by astroai

Check out our video on the left side and take a quick tour of astroai obd2 scanner!

Features and muti-functions: turn off the mil (check engine light) by determining the cause and removing trouble codes; build-in fault codes definition lookup library; views freeze frame data; reads live pcm data stream; on-board monitoring; displays i/m readiness; oxygen senor and evaporative control system test, etc. practical for detecting vehicle failures

Integrated attributes: equipped with a large lcd display with backlight and contrast adjustment, unit conversion between english and metric, beep setting, battery and charger free, long enough cable of 3.18 feet

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