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[smart 01/2008 1000cc 132930 62Kw Benzina] errore riscaldatore sonda lamda 0141


pino

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salve colleghi ho questa smart in officina con errore 0141 riscaldatore sonda lamda a valle,l'errore e cancellabile ma dopo qualche giorno ritorna,i controlli che ho fatto sono:

misura resistenza riscaldatore sonda.5 ohm

misura alimentazione riscaldatore.12 volt

valore sonda in diagnosi oscilla da 0,96 A 1.04

tenzione sonda a monte da 1.05 A 1.80

tenzione sonda a valle molto stabile rimane sui 1.49 A 1.52

consigli in merito,no perche la sonda costa 300 eurini...

 

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