linafire10

Nissan Cube engine power loss

Hey, I have a 2017 Nissan Cube with a gasoline engine. Recently, the check engine light came on, and I've noticed a real drop in power. It runs rough, jerks when I accelerate, and even stalled at idle a couple of times. Mileage is at 62941 km. Any thoughts?

A 2017 Nissan Cube experienced engine power loss, rough running, jerking during acceleration, and occasional stalling, accompanied by a check engine light. Possible causes included spark plug issues, air-fuel ratio imbalance, or a faulty oxygen sensor. The problem was ultimately diagnosed as a defective injector, which was resolved at a workshop.

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4 comment(s)

I see. Symptoms indicate a mixture preparation error. Have you checked the spark plugs? Also, what is the air-fuel ratio? I had similar issues with a 2014 Opel Astra. Root cause was an issue with the oxygen sensor.

Oxygen sensor... hmm. I haven't checked that. How did you figure it out?

I replaced the spark plugs. The problem persisted. I checked the air-fuel ratio and noticed it was too rich. I was able to diagnose it by checking all the values reported by the engine control unit. You better visit your workshop. I'm fairly certain that an injection valve/injector might be defective. That's a 515€ fix.

Thanks for your help! It was indeed the injector. Got it sorted at the shop.

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NISSAN

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CUBE