The fault code DF137 on a Renault Clio 1.5 dCi refers to a Rail Pressure Regulation Function error. This typically occurs when the fuel pressure in the common rail system is either too high or too low compared to what the ECU expects. Common Symptoms Cutting out: The engine may stall suddenly while driving.

The DF137 code is rarely seen alone; it typically includes a suffix that clarifies the exact nature of the pressure deviation: df137 renault clio 15 dci link

The mechanic sighed. DF137 is a fickle beast; it can mean the fuel pressure is too high, too low, or just "unstable". The fault code DF137 on a Renault Clio 1

4. Timing Chain vs. Belt (Myth busting)

The 1.5 dCi has a timing belt, not a chain. Despite the DF137 being a newer car, the belt needs changing every 5 years or 60,000-80,000 miles. If you buy a 2016 DF137 in 2026, the belt is overdue (assuming it wasn't changed in 2021). Do not skip this. A snapped belt destroys the engine. The DF137 code is rarely seen alone; it

The fault code on a Renault Clio 1.5 dCi refers to a Rail Pressure Regulation Function