dominikwilson8
Ford GT Reduced Engine Power
Summary of the thread
A 2021 Ford GT experienced reduced engine power and an error code, leading to speculation about ECU issues. A suggestion was made to check the main relay, as it can affect the ECU's performance. Upon inspection at a workshop, the main relay was identified as the problem, and replacing it resolved the issue.
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4 comment(s)
dominikwilson8 (community.author)
Main relay, huh? Where's that located, and is it easy to check? Any chance that's causing the ECU to act up?
rolandhunter4
Yeah, the relay can definitely mess with the ECU. It's usually in the engine bay fuse box. Honestly, I'd take it to a workshop; they'll diagnose it properly. It's better than frying something expensive.
dominikwilson8 (community.author)
Thanks! Took it to the shop, and you nailed it – the main relay was toast. 120€ and she's purring again. Appreciate the help!
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FORD
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GT
rolandhunter4
I had similar issues with my GT, though it's an older model. Reduced power and error codes sounds like a bad ECU. Have you checked the main relay? That was the culprit in my case.