Recirculated exhaust gases mix with oil mist from the crankcase ventilation, creating sticky carbon buildup in the intake manifold. This chokes the engine. Symptom: Stuttering acceleration and a "Check Injection" warning light.
In Renault's diagnostic language, DF361 indicates a in the ignition coil control for the pair of cylinders 1 and 4. Most modern Renault engines use a "wasted spark" system where coils are paired; if the circuit for one pair fails, both cylinders in that pair will struggle to fire. renault df361