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so basically head gasket went in my zafira, engine number z16xep. After all the damage to pistons and cylinder etc it is cheaper to get replacement engine.. that's what I did. Its the same 1.6 twin port ecotec engine with same model number z16xep.. now my question is can I just use my old ecu on the new engine (plug and paly) without programming? Thanks

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  • Welcome to Motor Vehicle Maintenance & Repair! Commented May 6, 2022 at 18:06

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If it's the same exact model engine then you can use the ECU without any changes or re-programming. Mechanically it's the same, and the ECU has no way of knowing that it's a different engine as it only sees what is electrically connected to it, as in sensors and data inputs.

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  • Happy days, that's a relief 😌.. would I need to use old wiring loom? Thanks for your answer though buddy 👍👍👍 Commented May 6, 2022 at 18:55

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