Understanding your engine cooling fan
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Understanding your engine cooling fan
The engine fan can help you diagnose a bad RCM. But a fast running fan is not a 100% guarantee of a bad RCM.
Attached is how to understand how the Fan Controller and ECU/PTCM interact.
This community has helped me a LOT over the last thirteen years. I'm no "mechanic" so here is my form of 'giving back'.
Attached is how to understand how the Fan Controller and ECU/PTCM interact.
This community has helped me a LOT over the last thirteen years. I'm no "mechanic" so here is my form of 'giving back'.
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