Choosing the right diagnostic tool
There are lots of options when it comes to diagnostic tools but selecting the wrong one(s) can be a costly mistake.
When evaluating a tool you need to consider the following factors:
Initial cost
On-going costs
Coverage
Available training
Technical support
What it reads
Every tool has good and bad points so the one(s) you select should mesh with your needs as closely as possible.
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Source:: http://fleetowner.com/maintenance/choosing-right-diagnostic-tool
