paulcrystal4

Matrix oxygen sensor error

My 2001 Hyundai Matrix diesel has the check engine light on, and it's showing an oxygen sensor error. I've also noticed higher fuel consumption. I'm wondering if it could be a bad cable or connection. Anyone else had this?

A 2001 Hyundai Matrix diesel is experiencing a check engine light and increased fuel consumption, with an error indicating an oxygen sensor issue. The problem could stem from a faulty sensor or a bad cable/connection. Checking the wiring and the air-fuel ratio is recommended, and a professional diagnosis at a workshop is advised to resolve the issue.

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4 comment(s)

I had something similar with my old Opel Corsa. Same symptoms: check engine light and more fuel used. It could be the sensor itself, but checking the wiring is a good first step. Have you checked the air-fuel ratio?

Thanks for the reply. I haven't checked the air-fuel ratio specifically. Could you explain why that might be relevant?

Well, in my case, a faulty oxygen sensor was messing with the air-fuel mixture, causing the increased fuel consumption and triggering the error. I'd advise getting it checked by a workshop. Could save you some headaches.

Understood. Thanks for the info. I'll take it to a workshop for a diagnosis. Seems like the oxygen sensor and wiring are the likely problem. The repair cost 95€.

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HYUNDAI

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MATRIX