Best Engine Diagnostic Tools In April 2024

Looking for the Best Engine Diagnostic Tools that can last long and perform well? Read our review and buying guide on Best Engine Diagnostic Tools below.

To help you in your search, we have completed this list of the Best Engine Diagnostic Tools.

Top Rated Best Engine Diagnostic Tools Of 2024

Rank	Product Name	Score
1	Bafx Products - Wireless Bluetooth OBD2 / OBDII Diagnostic Car Scanner & Reader Buy Now	9.7 Buy Now
2	OBDScar OS601 OBD2 Scanner Universal Automotive Engine Fault Code Reader EOBD OBDII CAN Buy Now	9.5 Buy Now
3	ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader Buy Now	9.1 Buy Now
4	Ysding OBD2 Scanner Auto Check Car Engine Fault Code Reader Enhanced Universal OBD Buy Now	8.8 Buy Now
5	Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light Buy Now	8.6 Buy Now
6	TOPDON OBD2 Scanner Code Reader Diagnostic Scan Tool AL200, for Check Engine Light Buy Now	8.3 Buy Now
7	FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Buy Now	8.1 Buy Now
8	Autel MS309 Universal OBD2 Scanner Engine Fault Reader, Read Clear Codes, View Freeze Buy Now	7.8 Buy Now
9	Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool Buy Now	7.5 Buy Now
10	OBD2 Scan Tool – Clears Check Engine Lights Instantly – Diagnose Over 3000 Buy Now	7.2 Buy Now

1. Bafx Products - Wireless Bluetooth OBD2 / OBDII Diagnostic Car Scanner & Reader

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9.7/10 our score

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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
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
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
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
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

2. OBDScar OS601 OBD2 Scanner Universal Automotive Engine Fault Code Reader EOBD OBDII CAN

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9.5/10 our score

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Supports all obdii protocols, including iso9141, kwp2000, j1850 pwm, j1850 vpw and can (controller area network).
Shows the code and what the code means directly. able to retrieve generic (po p2 p3 and uo) manufacturer specific (p1, p3, and u1) codes and pending codes, and vehicle information (vin, cid and cvn). and can store the data you have viewed (dtcs, freeze frame, live data, etc).
No battery needed, just plug it into the obdii port and start diagnosis. features a 2.5-foot flexible plug and a 7-button panel. supports dtc look-up, and software upgrade. supports multi-language display (english, german, spanish, dutch, russian).
Universal compatibility: applicable to most us-based cars (made in 1996 or later), eu-based cars (made in 2001 or later), asian cars (made in 2008 or later), and all obd ii/eobd/can-compliant vehicles.
Smog check: clearly shows whether the emission-related systems are operating properly or ready for inspection and maintenance testing, turns off check engine light and resets monitors, views freeze frame data, read live pcm data stream, evap system test data, on-board monitor test data and display live o2 sensor test data.

3. ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader

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9.1/10 our score

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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.
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.
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.
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.

4. Ysding OBD2 Scanner Auto Check Car Engine Fault Code Reader Enhanced Universal OBD

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8.8/10 our score

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Highlights and characteristics: this obd2 diagnostic tool build-in one-click i/m readiness function for quick state emissions readiness check and drive cycle verification. retrieves vehicle information(vin, cin and cvn) and reads live data stream. this car scanner built-in obd2 dtc lookup library, show the code and what the code means directly within 5 seconds. no need ...
Integrated attributes: this obd ii diagnostic tool equipped with a large lcd display with backlight and contrast adjustment, unit conversion between english and metric. displays dtc definitions on the 2.4 inch led screen. supports various languages: english, spanish, french, russian, germany, italian, etc.
Easy and compatiable: connect to your vehicles then quickly identify error codes, also available for beginners. the obd code reader can works on most 1996+ us-based obdii, 2000+ eu-based eobd and asian petrol cars, supports 5 protocols including iso9141, kwp, j1850 pwm, j1850 vpw and can, etc. retrieves generic (p0, p2, p3, and u0) and manufacturer specific (p1, p3, and...
Features and muti-functions: as a professional car engine diagnostic tool, this code reader can read fault codes, easily determines the cause of the malfunction indicator light( mil), displays i/m readiness, turns off mil, clears codes and resets monitors , detect the vehicle battery condition, build-in lookup library, views freeze frame data, reads live pcm data stream...
3 year warranty: 60 days free replacement or return. our obd ii--tiny design: light and portable, a vital& necessary car tool in your tool box, save money and time! any question, please feel free to contact crting service team, customer satisfaction is our forever goal!

5. Autel MS300 Universal OBD2 Scanner Car Code Reader, Turn Off Check Engine Light

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8.6/10 our score

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Mechanic approved: ms300 obd2 scanner works with most obdii compliant(obd2 protocols: kwp2000, iso2000, iso9141, j1850 vpw, j1850 pwm, and can) sedans, suvs and light trucks post-1996 for us cars, post-2000 for eu-based and asian cars.
Retrieve vin number: ms300 engine code readers can retrieve vin (vehicle identification number) on 2002 and newer vehicles supporting mode 9 for quick vehicle identification and cut time spent locating the cause why the check engine light is on.
Smog check: ms300 car code reader retrieves i/m readiness status to check emission-related systems like misfire monitor, fuel system monitor, comprehensive components monitor, o2 sensors, evap to help your vehicle ready pass the annual smog check.
Retrieves generic and manufacturer specific diagnostic trouble codes (dtc), includes definitions lookup software on cd and displays dtc definitions on screen
Retrieves vin (vehicle identification no) on 2002 and newer vehicles that support mode 9
Works with most obd-ii compliant u.s., european and asian vehicles (obd-ii is standard on all cars sold in u.s. post-1996)

6. TOPDON OBD2 Scanner Code Reader Diagnostic Scan Tool AL200, for Check Engine Light

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8.3/10 our score

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No worries: your pet doesnt like it? no question asked to return in 30 days. dont know how to use it? welcome to contact us through amazon or send an email directly to email ,protected , our professional technical team will help you solve the problem within 24 hours.
Code reading function: the obd2 code reader works on most 1996 and newer vehicles, regardless of makes and models sold in the us, europe, and asia. it can help you read dtcs (diagnostic trouble codes) when the mil is on. additionally, the built-in dtc library helps find the related code definitions, to determine the root cause of the check engine light, saving you fro...
I/m readiness checking: this code reader helps you check i/m readiness to view the status of emission-related monitors that your vehicle supports. this function ensures that the car exhaust meets the emission standards to save you paying fine tickets.
Mil turn-off function: after repairing the faulty components, simply clear the diagnostic trouble code and turn on the vehicle ignition, and you will find that the check engine light is off. it's also very helpful when there is a fake warning of your engine.
Information retrieving: it enables you to read freeze frame data recorded by the ecu when there are emission-related faults, helping solve problems effectively. it also retrieves vehicle info like vin which is important for accurate vehicle problem diagnosis.

7. FOXWELL NT301 OBD2 Scanner Professional Mechanic OBDII Diagnostic Code Reader Tool for Check

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8.1/10 our score

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Worthy to ownrecommended by mechanic scotty kilmer on youtube. codes analysis and printer compatible. unique patented design, 2.8" color screen, free lifetime update and 1-year seller assurance with exclusive tech and service team.
Smog check helperread/erase and i/m readiness hotkeys make it easy to use the car computer reader right out of the package. red-yellow-green leds and build-in speaker indicate the readiness status for confident emissions test.
Vehicle cel doctorthe nt301 obd2 scanner enables you to read dtcs, locate bad o2 sensors, access to emissions readiness status, turn off cel(check engine light) or mil, reset monitor, read live data and retrieve vin of your vehicle.
Home necessityopen to global customers. no battery required, nt301 obd scanner is charged directly from the 16pin dlc in your vehicle. it is recommended as a necessity in your toolbox and one of the best gifts for home and autoshop mechanics.
Accuracylive data graphing and logging. accurately read error codes for most worldwide cars, suvs, light trucks and 12v diesels equipped with obd2. graphing live vehicle sensors data allows you to focus on any suspicious data and trend.

8. Autel MS309 Universal OBD2 Scanner Engine Fault Reader, Read Clear Codes, View Freeze

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7.8/10 our score

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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...
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...
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...

9. Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool

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7.5/10 our score

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For end user & diyers: this error code reader is plug and play and comes with an easy interface. even if youre not familiar with vehicle repair, you can quickly take control of this code reader, and get the information you want.
User-friendly design: this check engine code reader features a patented one-click i/m readiness key, tft color display, built-in speaker, led indicator etc. the cable is long enough without being too long and getting in the way. no batteries are needed.
Extensive application: compatible with 7 languages (english, french, spanish, etc.) and various post-1996 obd ii protocol vehicles (toyota, nissan, honda, ford, etc.), this obd2 scanner provides accurate and fast diagnosis for worldwide car owners.
High-quality services: 12 months warranty from the date of purchase and lifetime free update are offered by this automobile obdii scan tool. welcome to contact us via q&a, email, or hotline, and our after-sale-service team for technical support.
Turn off cel: this car diagnostic tool supports reading dtcs, displaying live data, freeze frame & i/m readiness etc to figure out the root cause of the check engine light (cel) and turning it off to help you detect any potential problems.

10. OBD2 Scan Tool – Clears Check Engine Lights Instantly – Diagnose Over 3000

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7.2/10 our score

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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!
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.
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.
Diagnose in seconds dont 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!
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!