nelezimmermann7
Palio Diesel Mixture Error
Summary of the thread
The 2013 Fiat Palio diesel was experiencing a mixture preparation error, leading to reduced engine power, check engine light, rough running, jerking during acceleration, and frequent stalling. Initial checks on the intake manifold and MAF sensor showed no issues, leading to speculation about a rich mixture or faulty throttle body. A suggestion to inspect the injectors revealed a faulty injection valve, which, once replaced, resolved all symptoms.
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4 comment(s)
nelezimmermann7 (community.author)
Could you tell me more about your experience? Were your symptoms the same, and did you confirm the injector was the problem? What diagnostic procedures did you use before replacing the injector, and which ones helped find the fault?
noahfischer3
Yup, pretty much the same symptoms. Limp mode kicked in a lot too. Look, honestly, I fiddled around for a while myself, but in the end, I took it to a workshop. They ran some tests and confirmed it was the injector. Bit the bullet and got it replaced. Problem solved! Best to get it properly diagnosed to be sure, though.
nelezimmermann7 (community.author)
Based on your advice, I went to a technician, who confirmed the injection valve was causing the mixture problem. Replacing it cost 515€, but all the symptoms are gone now. Your advice really helped speed up the diagnosis and avoid unnecessary work. Thanks again!
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FIAT
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PALIO
noahfischer3
Whoa, that sounds rough! I had a VERY similar problem with my Palio. Check engine light, stalling… the works. For me, it turned out to be a dodgy injector. Have you had those tested specifically? It's worth digging into before chasing other possibilities.