Lenaki
Black smoke from the exhaust during acceleration
(Translated from Greek)
Summary of the thread
The issue of black smoke from the exhaust during acceleration in a 2004 Renault Scenic is likely due to an overly rich fuel mixture. Possible causes include a clogged air filter or malfunctioning fuel injectors. Solutions involve checking and possibly replacing the air filter and inspecting the fuel injectors for clogs or malfunctions.
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RENAULT
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SCENIC
CarlyMechanic
Black smoke during acceleration often indicates an overly rich fuel mixture. Start by checking the air filter to ensure it's clean and not clogged, as a dirty air filter can restrict airflow and cause this issue. If the air filter is fine, consider inspecting the fuel injectors for any signs of clogging or malfunction. Let me know how it goes or if you have any further questions!