To resolve the DF137 fault code without replacing functional components, follow this diagnostic path:
Then the odometer rolled back again. . And this time, it stayed.
The engine cranks but fails to fire, especially when hot, or after sitting for a while. df137 renault clio 15 dci link
In generic OBD-II terms, this often translates to codes like (Overboost) or P0299 (Underboost).
On Renault’s 1.5 dCi (K9K) direct common rail injection engines, the ECU continuously monitors fuel pressure inside the rail. It relies on a closed-loop feedback system involving a high-pressure pump, a fuel pressure regulator valve (IMV), and a rail pressure sensor. To resolve the DF137 fault code without replacing
If actual pressure spikes erratically, suspect a sticky IMV valve or electrical circuit break. Step 2: Perform an Injector Leak-Back Test
Often caused by leaks, a clogged fuel filter, or failing injectors. The engine cranks but fails to fire, especially
. This typically indicates that the engine control unit (ECU) has detected fuel pressure in the common rail that is either above the maximum limit or below the minimum required threshold. Common Symptoms Warning Lights