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An open engine control fuse indicates that there is a break in the electrical circuit supplying power to the engine control module (ECM) or related components. This can cause the engine to malfunction or not start at all, as the ECM may not receive the necessary power to operate. It often points to a blown fuse due to a short circuit or an overload, and it’s essential to diagnose the underlying issue before replacing the fuse. Checking for damaged wiring or components is crucial to prevent recurrence.

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1mo ago

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