melissajohnson1

Fiat Doblo Engine Running Rich

Hey, I'm having a problem with my 2012 Fiat Doblo diesel. The engine seems to be running way too rich. I've noticed less power, the check engine light is on, and the engine is running rough. My fuel consumption has gone up, and the car jerks when accelerating. Could a bad injector be the cause? I checked the air filter, and it looks fine.

A 2012 Fiat Doblo diesel is experiencing issues with the engine running rich, leading to reduced power, a check engine light, rough running, increased fuel consumption, and jerking during acceleration. The initial suspicion is a bad injector, as the air filter appears fine. A similar case was resolved by diagnosing and replacing a faulty injector, which was confirmed as the cause of the problem.

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4 comment(s)

I had a similar issue with my Doblo. Have you checked the catalytic converter or the intake manifold for blockages?

Thanks! I haven't checked those yet. Were your symptoms similar, and what was it in your case?

Yeah, my symptoms were very similar. It turned out to be a faulty injector. I'd suggest taking it to a workshop for a proper diagnosis; they can test the injectors better.

Thanks so much for the advice! I took it to a workshop, and you were right. It was a defective injector. The repair was 515€. I really appreciate your help!

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FIAT

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DOBLO