Power loss and misfires (throttle body / deposits)
Often reportedEspecially in older models, power loss and misfires are often linked to throttle body issues or intake deposits.
Engine Bay
When buying a used Citroen C4 1.4i 2009 (1st generation / facelift), the most frequently mentioned issue is power loss and misfires (throttle body / deposits). Above-average oil consumption is also commonly reported.
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
Especially in older models, power loss and misfires are often linked to throttle body issues or intake deposits.
Engine Bay
Some users report higher than expected oil consumption in certain 1.4 petrol units, requiring top-ups between services.
Engine Internal
In some C4 models and engines, gasket issues are a known problem; users report gasket failure or replacement during the vehicle's life, requiring significant repairs and costs.
Engine Internal
Multiple users report repeated lambda sensor replacements due to drivability issues and check engine light. Several replacement attempts were made before identifying the root cause of power gaps.
Exhaust Emissions
Same trim, different year
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.