georgwinkler1

Arkana hybrid engine power loss

I'm having some trouble with my 2022 Renault Arkana hybrid. It's got about 224k kilometers on it. Lately, the engine power has been noticeably reduced, and the car diagnostics are showing an error stored in the memory. Could a defective engine control unit be the culprit?

A 2022 Renault Arkana hybrid with 224,000 kilometers is experiencing reduced engine power and an error code related to the engine control. The issue may be linked to a defective engine control unit (ECU) or a faulty main relay. A system reset is suggested as a potential solution, but professional diagnosis is recommended. Ultimately, the problem was identified as a defective main relay, which was repaired, resolving the power loss issue.

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4 comment(s)

Reduced power and error codes usually point to ECU problems. Did you try a system reset? Sometimes that clears things up, but it could also be a sign of a deeper issue. What kind of error code are you getting?

Thanks for the quick reply. I haven't tried a system reset yet. Is that something I can do myself, or is it best left to a professional? I'm not sure about the exact error code, but it mentioned something about the engine control.

If it's pointing to the ECU, and a reset doesn't fix it, it might be a defective main relay. Those can cause all sorts of weird engine performance issues. You're probably best off taking it to a workshop to get it properly diagnosed.

Thanks, I appreciate the advice. I took it to a mechanic, and you were spot on – it was the main relay! Repair cost was around 120€. Runs like new again.

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RENAULT

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ARKANA