james_wagner9

Amaze ECU error and power loss

I'm having a weird issue with my 2021 Honda Amaze diesel. It's only done 25603 km. Suddenly, the engine power is way down, like it's struggling. The check engine light came on, so I scanned it, and it's showing an error with the engine control unit. Could a defective main relay cause that? Anyone else experienced this kind of control system fault?

A 2021 Honda Amaze diesel experienced a sudden loss of engine power and displayed a check engine light, indicating an error with the engine control unit (ECU). The issue was suspected to be caused by a defective main relay. After consulting with others who had similar experiences, it was confirmed that replacing the faulty relay resolved the problem, restoring the vehicle's performance without needing to replace the entire ECU.

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4 comment(s)

Sounds familiar. I had a similar problem with my Amaze. Reduced power and an ECU error. Is it running rough at all?

Yeah, it's definitely not running smoothly. It feels like it's misfiring sometimes. What was the fix for your car's issue? Did you have to replace the whole ECU?

Don't panic just yet. In my case, it turned out to be a faulty relay affecting the ECU. Best to get it checked out at a workshop. They can properly diagnose and replace the relay if that's the cause. Much cheaper than a new ECU! I ended up paying around 120€

Thanks for the info! I took it to the shop, and you were spot on – defective main relay. They replaced it, cleared the error codes, and now it's running perfectly again. Saved me a fortune! I really appreciate the help!

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HONDA

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AMAZE