Df049 Renault [portable] -
This is the most common cause on 1.5 dCi and 1.9 dCi engines. There is a small electrical valve (solenoid) usually mounted near the air filter box or on the engine cover. It controls the vacuum that moves the turbo vanes.
Contrary to a common myth, DF049 is not a specific engine block casting. Instead, evidence points to it being an internal lubrication standard or an AdBlue/DPF additive specification used by Renault between 2008 and 2016. If you are looking at a bottle of transmission fluid and see "Meets DF049," it means the oil is approved for the PK4 or JR5 gearboxes found in the Clio, Mégane, and even the Nissan Note.
This is the most common cause on 1.5 dCi and 1.9 dCi engines. There is a small electrical valve (solenoid) usually mounted near the air filter box or on the engine cover. It controls the vacuum that moves the turbo vanes.
Contrary to a common myth, DF049 is not a specific engine block casting. Instead, evidence points to it being an internal lubrication standard or an AdBlue/DPF additive specification used by Renault between 2008 and 2016. If you are looking at a bottle of transmission fluid and see "Meets DF049," it means the oil is approved for the PK4 or JR5 gearboxes found in the Clio, Mégane, and even the Nissan Note.
