1996 B2300 check engine

1996 MAZDA TRUCK
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ROSE1960
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I just had my truck inspected and a few days later the check engine light came on. I took it to Auto Zone and they said it had to be taken to the dealer it has an issue with the fuel and air mixture? Any ideas? I don't know where to start.
Thanks
Sep 9, 2007 at 7:38 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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MERLIN2021
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If it has a mixture problem the dealer can "flash" the PCM hopefully, and fix your problem. What was the code?
Sep 9, 2007 at 7:47 AM
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ROSE1960
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The fella at Auto Zone did not give me a code. ON the machine it said that it was a manufactur code and i would have to take it to the deaer...
Sep 9, 2007 at 7:54 AM
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ROSE1960
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if you don't mind what do you mean flash the PCM?
Sep 9, 2007 at 7:59 AM
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MERLIN2021
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It means if they need to reset or change the parameters of the computer they have a tool to do it.
Sep 9, 2007 at 8:05 AM