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ludwig_loewe1
Citroen Nemo NOx Catalyst Aging and Exhaust Fumes
4 comment(s)
ludwig_loewe1 (Author)
Hissing, huh? I'll have to check that tomorrow. Where exactly should I be listening? I'm not exactly a mechanic, haha.
helenasmith9
Around any of the joints in the exhaust system, especially near the catalytic converter. Honestly, though, with those symptoms and that error code, a proper diagnostic at a workshop is probably your best bet. Could be a cracked manifold or something.
ludwig_loewe1 (Author)
Thanks! You were spot on. Took it to the shop, and they found a leak in the exhaust system. Cost me 265€ to fix, but at least the light's gone! Cheers!
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helenasmith9
Sounds familiar. I had similar symptoms with my 2016 Opel Astra, although the error code was slightly different. Do you hear any hissing noises near the exhaust when the engine is running? Could be a leak somewhere.