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My engine light comes off and on, I bought a DIAGNOSTIC SCAN TOOL (CAN OBDll) to check the engine light, as per Mazda book it shows in the diagram from my eec test plug to connect system selector tool 49-b019-9a0 to the data link connector. Then connect self diagnosis check tool 49-h018-9a1 to the system selector and a ground. My new tool has 16 pins where can I find and buy the proper tools that I need to diagnose this problem. Help would be greatly appreciated and if you have these tools I would

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The Mazda B series trucks are rebadged Ford Rangers. In 94 the Rangers were still OBDI (1).

To read the codes and look at the data you need something like this. http://www.amazon.com/INNOVA-3140-OBD2-OBD1-Scan/dp/B000R3SNJU

To just read codes you need something like this, it's cheap but a pain the but to use. http://www.amazon.com/Actron-CP9015-Ford-Code-Scanner/dp/B0006V2BGY

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