Despite the common issues mentioned above, the DF137 Renault Clio 1.5 dCi has a reputation for being a reliable car. The key to maintaining reliability is regular maintenance, including:
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Your Renault Clio's diesel system relies on highly precise, high-pressure fuel delivery to operate. When the DF137 code triggers, the ECU has detected that the fuel rail pressure has dropped below the minimum required threshold, or that the fuel pressure regulator is not responding properly to the electrical signals it is receiving.
: The car can experience severe engine hesitation and enter a protective limp mode. df137 renault clio 15 dci link
: Excessive "leak-off" from the injectors can prevent the system from reaching the required pressure. High-Pressure Pump Failure
For the uninitiated, DF137 is a manufacturer-specific trouble code that does not appear in generic OBD2 handbooks. In the world of Renault diagnostics, this code points directly to a communication breakdown. Specifically, refers to a fault in the "Computer - Injection" link, often described as the "Link between the injection computer and the engine management computer" or a corruption in the CAN (Controller Area Network) bus data stream related to the fuel injection system.
The plastic cable ends at the gearbox corrode or crack, leading to a floppy gearstick and inability to select reverse. Aftermarket brass bushings (e.g., from K-tec Racing) provide a permanent fix. Despite the common issues mentioned above, the DF137
: Ensure the plug and wiring for the fuel pressure regulator and rail sensor are secure and not corroded. Clean the Regulator
The DF137 code is rarely seen alone; it typically includes a suffix that clarifies the exact nature of the pressure deviation:
Are you noticing any (like hard starting, black smoke, or rough idling)? When the DF137 code triggers, the ECU has
She put the car in gear. First. The clutch bit at the usual height. She rolled down the driveway, past the abandoned tea factory, onto the Ghat road.
Significant drop in power, especially when accelerating or driving uphill.