FAQ. FAQ #87. Economy mode C4 Coupe, Hatch and C4 Picasso. Economy mode can be frustrating but it is there to preserve battery life and stop it draining. From Citroën's Technical Guide: Consumption mode : "nominal" or "economy". In nominal mode all the electrical functions are authorised .

SOURCE: citroen c-crosser anti pollution warning light We had this with our grand picasso all the warning lights on then car went into limp mode replaced two lambda sensor as this is what citroen thought it was in the end coolant sensor was leaking up wire back to ecu making all kinds of lights come on as it malfunctioned in the end new ecu cost over thousand pounds.

Citroen C4 Grand Picasso - Citroen c4 grand picasso tiptronic gearbox problem. Hi there, I am having issues with my semi automatic transmission,when starting the car and putting the transmission into auto it shows on the ecu screen as manual only and drives only up to 3rd gear initially and after 10 mins or so when warmed up, it suddenly changes to auto and then intermittently changes to Service light reset on Citroen c4 , same procedure applies to most Citroen's and peugeot'sCheck Euro Car parts for parts - GSF C
Location: Scotland. The car has been juddering at low speed (2010 1.6HDi EGS) and so tried the hard reset method tonight. Stopped, put on and then off the handbrake, and then floored it to just over 40, and then cruised at 40. Blimey, for a car that size, with just a 1.6, it fair shifts!
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citroen c4 grand picasso hard reset