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Fiat Mobi Misfire

My 2016 Fiat Mobi with a gasoline engine is misfiring. It has about 190990 km. The engine runs rough, the check engine light is on, it jerks when accelerating, and engine power is noticeably reduced. I think it might be a bad fuel injector.

A 2016 Fiat Mobi with a gasoline engine is experiencing misfiring, rough running, a check engine light, jerking during acceleration, and reduced engine power. The initial suspicion is a bad fuel injector, which is common at high mileage. While a faulty fuel pump could also cause similar issues, the symptoms strongly suggest injector problems. A professional diagnosis confirmed a bad fuel injector, leading to its repair.

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4 comment(s)

Misfires on a Fiat Mobi are frustrating. With those symptoms and mileage, a bad injector is likely. Have you checked the spark plugs? Rule out other causes first.

Thanks, I'll check the plugs. Could a bad fuel pump cause this, or should I focus on the injectors?

A fuel pump could cause similar issues, but the jerking and misfire-related check engine light points to the injectors. Injector failure is common at that age and mileage. Get a professional diagnosis to confirm the injector before investigating further. Then get it repaired at a workshop.

I took it to a shop, and it was a bad fuel injector, like you thought. The repair was 515€. Thanks for the help.

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FIAT

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MOBI