: Consistent multiplex signal for Cruise Control/Speed Limiter.
High oil dilution percentages or ignoring service reminder resets can block automated speed control systems. ⚠️ Symptoms to Watch Out For
Illuminated engine malfunction symbols or orange wrench icons on the dash.
On Renault petrol engines (especially the 1.6 and 2.0 NA engines found in Meganes and Scenics), unmetered air entering the engine is the #1 cause.
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