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mazda b2300 pickup truck ignition control module
I have a 1994 mazda b2300 pickup and my check engin light came on and it has a misfier .so I had it put on the obd1 computer to have it checked out .the mechanic told me it was a bad coilpack so I replaced it and the problem didn't corect itself so I went back to him and he checked the coilpack again and t was only fiering on 2 cilenders .being it is a 4 cilender and has 8 plugs and 8 wires on it .iv changed the coilpack 3 times and still get misfire either on one cilender or 2 .I did a tune up on it last year so I don't believe its the plugs or wires .I think its the ignition control modual gone bad .does anyone know what the function of this modual does .
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The ignition control module is the item which controls when the coil-pack fires. It interfaces with the timing sensors on the engine.
I would change the module, but I would also be prepared to check whatever you have for a timing sensor. Probably a cam position sensor on that engine.
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