The DF201 is a 1.5-liter, four-cylinder, common-rail turbo-diesel engine. It belongs to the larger Renault family, which includes 1.9-liter and 2.0-liter variants. However, the 1.5 dCi—codenamed K9K in Renault’s internal nomenclature—became the breadwinner of the lineup. The specific variant code DF201 refers to a particular state of tune and emissions standard applied to the K9K engine.
: Check the wiring and connector located near the evaporator housing (usually deep behind the dashboard or near the footwell area, depending on the specific Renault model like the Renault Megane or Clio). df201 renault
Unplug the MAF sensor and check for green corrosion (oxidation) on the pins. Use contact cleaner if necessary. Ensure the plug "clicks" firmly into place. The DF201 is a 1
Loss of power, hesitation on acceleration, black smoke, and eventually a "limp mode." Solution: Removal and chemical cleaning of the EGR valve. A popular (though illegal for road use) modification is an EGR blanking plate or software delete. The specific variant code DF201 refers to a