Possible causes of OBD code P0118 Citroen. A code P0118 Citroen may mean that one or more of the following has happened: A bad connection at the sensor An open in the ground circuit between the ECT sensor and the PCM A short in the voltage feed between the sensor and the PCM A bad PCM (less likely) A bad temperature sensor (shorted internally) Unfortunately this is a catch 22 where you can't do anything with Citroen unless you have their expensive diagnostics first - if you have a case open with Citroen head office you might get a discount on subsequent work or, as some have, it done for free but this is increasingly less likely now it seems. Disclaimer: I have no idea what I'm doing, I followed the advice from http://c4owners.org/plugins/faq/faq.php?0.cat.5.100 I strongly advice you read that fir Refilling using the Delphi diagnostic bench, reset the fill level display to zero. Step 4: Select the vehicle as shown in the illustration. Test conditions. Key on, engine stopped. All electrical consumers disconnected. Battery voltage greater than 12 V. Additive reservoir filled or replaced. Procedure POURQUOI REMETTRE À ZÉRO LE COMPTEUR DE MAINTENANCE SUR CITROEN C4 CACTUS? Un certain nombre de Citroen C4 Cacti sont équipées d'un témoin lumineux d'entret 5yJcqgg.

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