There are several advantages of having a engine diagnostic reader. Let’s take you step by step, type by type, and find the best engine diagnostic reader for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Ancel Engine Diagnostic Reader READ REVIEW

Best For Vehicle Inspection: Buy: Motopower Engine Diagnostic Reader READ REVIEW

Best For Other Cars: Buy: Autel Engine Diagnostic Reader READ REVIEW

Best With Reasonable Price: Buy: Nexpow Engine Diagnostic Reader READ REVIEW

Best For Torque: Buy: Oxgord Engine Diagnostic Reader READ REVIEW

Best With Large Buttons: Buy: Foxwell Engine Diagnostic Reader READ REVIEW

Best For Tech Support: Buy: Kasmotion Engine Diagnostic Reader READ REVIEW

Best For Citroen: Buy: Ediag Engine Diagnostic Reader READ REVIEW

Best For Laptop: Buy: Obdscar Engine Diagnostic Reader READ REVIEW

Best For Multiple Languages: Buy: Launch Engine Diagnostic Reader READ REVIEW

Best For Engine System: Buy: Thinkcar Engine Diagnostic Reader READ REVIEW

Best Overall: Ancel Engine Diagnostic Reader

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Ancel line of readers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Ancel Engine Diagnostic Reader helps with reading codes, is very happy, it has codes and has a nice design. The manufacturer says: We strive to make friends with our customers with excellent products and quality services, and to be the company most trusted by our customers. The company constantly strives for product quality, technology, design and sustainability and adheres to the spirit of people - oriented and innovative efforts to make great contributions in the field of automotive technology.

Most importantly, the ancel engine diagnostic reader is a global leader in automotive diagnostic technology, providing software development, maintenance, updates and customer services related to automotive testing to its customers.

Most buyers agree that the reader works well first time to add to that it works well simple to use. Moreover, they strongly agree that the reader provides generic codes, but enough for simple daily projects when the check engine light comes on. In addition, they strongly agree that this obd 2 scanner is simple but gets the job done.

• This allows check engine light issues to be read and re-set.
• This is probably the best buy.
• This reads the codes, works flawlessly, works very well and has a great design.
• This can not read and erase abs, srs(airbag), and other systems fault codes.

Best For Vehicle Inspection: Motopower Engine Diagnostic Reader

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The Motopower line of readers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Motopower Engine Diagnostic Reader reads the codes, is great for fuel pump, It feels sturdy and has a great design. No need any battery or charger, obd reader gets the power directly from your vehicle through the obdii data link connector. And, the reader has read error,sssss it cleared the codes and has good design.

Most importantly, the motopower engine diagnostic reader has saved your money. is durable, it is built solid and has an advanced design.

Most buyers opine that the reader is about $500 and it doesn’t affect the vehicle. Also, a few say that the reader has a list of cars it will work with. Moreover, they say that the reader will have an odbii port under the steering wheel, Yes it will. In conclusion, the tone of buyers is very positive and we believe that the reader suits the purpose.

• This is a great tool at an amazing price.
• This is a model intended for sale in North America.
• This works for any car or truck after ‘96.
• This is an old fashioned plan and simple.

Best For Other Cars: Autel Engine Diagnostic Reader

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If you want nothing but a reader that is reliable, this Autel Engine Diagnostic Reader is certainly a wise investment. The autel engine diagnostic reader is great for a great price and it is designed for key programming. The Autel ms309 obd2 scanner is a plug-and-play check engine code reader that reads and clears codes. This portable obd2 / eobd scanner ms309 enables retrieval of the vehicle identification no.

The reader is useless without code, does the job and it clears the code. Most importantly, the autel engine diagnostic reader includes important engine parameters such as rpm, vehicle speed, mass airflow, engine load, fuel pressure, short/long term fuel trim, engine coolant temperature and etc.

Most buyers found that the reader can not scan the airbag system to clear seat belt codes. And, they also found that the reader has a standard obd2 port which was included on all cars after 1997. Moreover, they say that this tool will erase codes for most makes and models of vehicles manufactured after 1996. In short, for almost all customers, it was what they were looking for.

• A very handy little tool to have with your bigger scanner.
• This has a 16 pin outlet it most likely will work.
• This does not support work vehicles.
• This reads the codes, is separate and it is used for professional services.

Best With Reasonable Price: Nexpow Engine Diagnostic Reader

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Nexpow line of readers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Nexpow Engine Diagnostic Reader is very happy, has start the engine, it works very well and has a magnet design. The Manufacturer says: No matter where you are from, our obdii code reader can always help you. The v311 obd2 scanner is capable of performing multiple diagnostic functions like determining the cause of the engine light, readerase code, view freeze frame, im readiness, vehicle information, data stream, bat.

The reader is unique, It is designed for a great price and has a unique design. Moreover, its screen is clear, is made at low cost, it is good for code reading and has a play design. Finally, the nexpow engine diagnostic reader is durable, has load capacity, it is highly recommended and has a good design.

Almost all buyers opine that the reader a great deal on this one. In addition, they also found that the reader is easy to use and will be used often. Also, they strongly agree that the reader can read freeze frame data, preform an i/m ready test, read the vehicle's information. To sum up, the tone of buyers is very positive and we believe that the reader suits the purpose.

• This has a 16 pin diagnostic connector, that this obd2 scanner can work with it.
• This will clear codes on anything obd2.
• This does the job without any problems.
• This is very useful when trading used cars.

Best For Torque: Oxgord Engine Diagnostic Reader

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We would, of course, be remiss if we didn't mention Oxgord Engine Diagnostic Reader for daily purpose. The oxgord engine diagnostic reader is easy to see lcd screen. With the obdii scan tool ms309 from oxgord, you can easily read diagnostic codes, clear trouble cods (dtc's), and turn off the check engine light (mil) on based vehicles from 1996. In addition, it is durable, it is great for a great price and has an advanced design.

Lastly, the oxgord engine diagnostic reader reads the codes and has a compact design.

Most buyers quickly discover that the reader is a real review from an actual buyer. And, a few strongly agree that the reader will not get transmission codes. And, a few say that the vehicles use scanner type obdii ( on board diagnostics ), so you should not have any problems. To sum up, at the price, they believe that they got a steal of a deal with it.

• This works for 1996 and up, so it should.
• This will identify and clear all codes that appear.
• This works as advertised, is user-friendly, it is much better and has professional design.
• This has a computer port under the dashboard, so yes it will work.

Best With Large Buttons: Foxwell Engine Diagnostic Reader

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The Foxwell Engine Diagnostic Reader's high-end materials make sure that it ages well with use. The foxwell engine diagnostic reader works as described, it is very reliable and has a nice design. No battery required, nt301 OBD scanner is charged directly from the 16pin dlc in your vehicle. Also, it is worth own, it is optional and has a unique design.

The reader is separate, is good for the bottom line, it has updated software and has exclusive design. Finally, the Foxwell enginediagnostic reader does the job, It is made with a nice screen and has a new design.

Most buyers opine that the reader is great to clear code on 06 grand caravan. Also, a few say that the reader is great for the diy'r who want to clear codes and general monitoring. Also, a few also found that this scanner even graphed the fast switching of the upstream o2 sensor. In short, most customers find the reader is functionally comfortable and no one questions it.

• This is an advance pro tool, but very nice to have.
• This works well on the Nissan Murano 2003.
• This is a surprisingly nice code reader for the price.
• It is great to run a car system and see what is going on.

Best For Tech Support: Kasmotion Engine Diagnostic Reader

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The Kasmotion Engine Diagnostic Reader is capable of outshining several other readers featured in this list in overall features for the price point. The kasmotion engine diagnosticreader reads the instructions, starts the engine and it is very happy. With over 3, 000 code definitions on the DTC library, you can check the code definition by yourself and decide whether you can fix it or have to get help from a mechanic. The kasmotion obd2 scanner for cars is super easy and fast for detecting the engine system, reading and erasing error codes.

The reader was dirty and it worked fine. Lastly, the kasmotion engine diagnostic reader is made for family members, has support for 7 languages and it is working currently.

Most customers quickly discovered that the reader was prompting a check engine light to come on. Further, they also found that the reader is easy to use with great accuracy and a great value compared to the price at a shop for the same information. Also, a few say that this computer reader gets power from your vehicle 's data link connector. To sum up, the tone of buyers is very positive and we believe that the reader suits the purpose.

• This will work on any car 90s or later.
• The Kasmotion car code reader is upgraded to a more basic diagnostic vehicle tool.
• This is good for car accessories and it is present.
• This works great, has follow directions and it can call for tech support.

Best For Citroen: Ediag Engine Diagnostic Reader

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The Ediag Engine Diagnostic Reader's high-end materials make sure that it ages well with use. The ediag engine diagnostic reader provides a lifetime warranty for the car. Ediag ya-101 obd2 scanner helps you get fully prepared for passing the smog check. This tool only works on 12v cars, does not work for 24v truck.

The reader saves money, does the job and it is plenty long. Finally, the ediag engine diagnostic reader such as engine rpm, is easy to carry and it is highly recommend.

Most buyers agree that the reader is definitely a great value for money spent. In addition, they also found that the reader is made of great quality material. Moreover, they strongly agree that this code reader ca n't work on 24v trucks, but can work on 12v vehicles and light trucks. In conclusion, buyers found this to be one of the best readers for daily purposes.

• This obdii code scanner delivers all the basics and then some.
• This will not read the codes on a 2013 chevy equinox.
• This will be added to the arsenal of tools for sure.
• This is the perfect size to keep in a truck.

Best For Laptop: Obdscar Engine Diagnostic Reader

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate reader. The Obdscar Engine Diagnostic Reader is exactly that - it's a simple reader that hits all the right notes. The obdscar enginediagnostic reader is great for a great price and it comes with a faulty sensor. No matter where you are, let this gadget take you with you. These vehicles all use a common diagnostic connector and a set of universal trouble codes.

The reader is a cost-effective upgraded version of the obdii scanner for determining the cause of the check engine light. Further, the reader is green, comes with quick shipping and it is used once. Above all, the obdscar engine diagnosticreader will illuminate because it has again detected the problem.

Almost all customers find that the reader will solve your problem faster. Furthermore, a few also found that the reader is the vapor canister purge solenoid. Further, a few strongly agree that this is a universal obd scanner and should fit any make or model.

• This will tell you which one is causing the issue.
• The os601 engine light code reader can only read engine emissions related faults.
• This has a 16 pin connection, This one will work.
• This does list dodge and says most domestic cars in 1996 or later.

Best For Multiple Languages: Launch Engine Diagnostic Reader

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The Launch Engine Diagnostic Reader might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few months. The launch engine diagnostic reader has turn off check engine light, are for throttle position, It is very happy and has a classic design. Whether you’re a home car owner or an auto mechanic, with launch code reader cr529, you can save thousands of dollars on car maintenance, save time and effort on repairs, and dramatically improve your car’s lifespan / performance. This check engine code reader supports graphing, data recording, playback, print via pc ( share via email ) for further analysis.

The reader has started the car, It is sturdy and has a professional design. Also, the reader can register for a free lifetime update, is best with lifetime free update, It is highly recommended and has perfect design. Finally, the launch engine diagnostic reader is to view the detailed definitions of DTCS stored in the built-in DTC library.

Most customers opine that the reader is easy to use and very accurate, 100% recommended. And, a few say that the reader will show you all the monitors equipped on your vehicle and their status. Also, a few say that the scanner might work on a 2013 mazda 3 and a 2018 crosstrek. Kindly be noted that cr529 is an obdii code reader. Overall, the tone of buyers is very positive and we believe that the reader suits the purpose.

• It features a color display which is easy to read.
• This can work on some Japanese branded cars which were made in the USA.
• This is the best diagnostic tool for the amateur and experienced mechanic.
• The launch cr529 OBD scanner ca n't diagnose transmission fluid temperature.

Best For Engine System: Thinkcar Engine Diagnostic Reader

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The Thinkcar Engine Diagnostic Reader's superior materials make sure that it ages well with use. The thinkcar engine diagnostic reader can find out quickly and accurately why the engine lights on or flash, and help diyers or mechanics locate the issue or even fix it. Thinkcar scanner cr17 is a reliable automotive tool to help you determine the cause and find a solution. Further, the reader is easy to use for beginners.

Finally, the thinkcar engine diagnostic reader has codes and it 's pretty fast.

In conclusion, many customers have used the reader for more than a few months without any problems, and it shows no sign of giving up.

• Just plug into your car 16.
• Then you can fix it or go the car repair shop without being cheated.
• Built in fault codes definition lookup library.
• Still have this check engine code reader with 12.