Diagnostic In One Touch
Full-function diagnostic tools, learn your car by one touch.
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Portable and affordable OBDII code scanner
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Latest from reviews

Real buyers’ reviews inspire you

Jasse
Jasse
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Absolutely 100% must-have for us ladies who hate to take our car to the shop! This product will save you dollars. This eliminates- diagnostic fees, labor fees, and with it providing the library of code meanings you can even purchase the parts that are required before taking it into the shop which saves the upcharge cost of parts that you would pay. All because of this Konnwei KW310 code reader. Oh and by the way it will even clear the codes (turn off the engine light) after repair is made though otherwise, it will come back on due to the original alarm code. Easy to use all in one code reader and clearer with code explanation on the device (no need to google search code meaning) including o2 sensor evap smog data, stores live, playback data. All that included for a great price this is a must-have for every car owner for sure..
John Doe
John Doe
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I bought it to just see an alerting code so I would know whether I was being told the truth when I went to a mechanic, and also to have in the car if stranded/broke down. This model plugged in easily, powered right up, and has a menu that is very easy to just see all options available and explore safely, so even if you don't know a lot about cars it can still be understood well enough to find the error code. As a bonus, I cleared the error code using the Konnwei 310, and the code has not returned. So easy, even I could do it. Now it's in the car as part of my road hazard kit.
Christiana
Christiana
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So i was scared when it said china but it is realy well made tough for a work setting csme with nice case. I used it to read a crank shaft sensor which i never could have figured out w out it so 1 use paid for itself 10 times over who knows what mechanics bill woukd have bn sensor was 45 bucks took have hour didnt have to drop it off and pick it up best 50 bucks ive spent in Along time great buy cant wait to use it again
Adrianna
Adrianna
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This OBD2 scanner is amazing. I had another one and it wouldn't read the error codes for my BMW. This, KONNWEI KW850, read every code off of my BMW with zero issue and gave more detail regarding the code itself. I am surprisingly impressed by this scanner. Multiple people have asked me to use my scanner and they love it. definitely recommend this OBD2 scanner for anyone that needs it for Euro cars.
Jayson
Jayson
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Works great used it on 3 different vehicles the first day and solved problems on 2 of them got to work a little hard on 3rd one. Great for a week end shade tree DIY mechanic. Very good diagnostic scanner.
Addie
Addie
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Purchased this OBD2 code reader to check mine and other vehicles to make sure their are no faults on them. Especially good if you are thinking of purchasing a new vehicle. Just plug it in and do a scan, it will give you any fault codes that are present and also for codes that have been previously stored in the ECU
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