7 of 8 people found the following review helpful
Technician's must have,
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This review is from: INNOVA 3140 OBD2/OBD1 Scan Tool with OBD2 Live Data (Automotive)
If you do your own car work this is a very valuable tool to have. It has saved me hundreds of dollars in repair costs. It is not too difficult to use considering all it does but it is not as easy as turning on your TV. It takes some study but it certainly provides for great troubleshooting of your car. There are times when it does not locate the exact item but it may just narrow it down for you. I use this tool in conjunction with the factory manuals and can find most problems. I'm really impressed with this tool.