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Whether the ECU (Engine Control Unit) needs to be reprogrammed depends on the specific modifications made to a vehicle or the issues being addressed. If changes involve performance upgrades, new sensors, or different components, reprogramming may be necessary to optimize engine performance and ensure compatibility. Additionally, after repairs or updates, reprogramming can help restore factory settings or improve functionality. Always consult a professional for accurate assessment based on your vehicle's needs.

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1mo ago

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