As a result, all new vehicles including Citroen and Peugeot install this SCR system in their engines which effectively uses NOx sensors to measure and control exhaust NOx levels. Where NOx sensors are located? An effective SCR system uses upstream and downstream NOx sensors located at two crucial places around the SCR catalyst.
I bought a 2016 C4 GP 2.0 HDI last month. Enjoyed learning to fly it LOL - until after 4 weeks, it came up with Engine Fault, then the Urea light (no remaining distance, so assume level was OK). Took it back to the (non-Citroen) dealer, who booked it in, and gave us a courtesy car. 4 days later, have to refer it to Citroen.
You will find below several pictures which will help you find your OBD connector in your Citroen C4 Cactus (2018 - 2020) RHD. The OBD II socket is located at the passenger side. Remove the large panel from under the glove box. Find a compatible scanner for Citroen C4 Cactus (2018 - 2020) RHD. Here is the OBD socket.
Citroen nemo obd2 location YouTube AME Motors Howtofix-~-~~-~~~-~~-~-Please watch: "how to take out BMW G30 headlight AME motors"
Trouble codes description for CITROEN. If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional manufacturer
Citroen C4 – (emirhankaramuk / Shutterstock) There are several possible causes of low oil pressure warning light in Citroen C4, including low oil level, a malfunctioning oil pressure sensor, a clogged oil filter, or a failing oil pump. 1. Low oil level. A low engine oil level can cause the low oil pressure warning light to turn on in your C4.
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citroen c4 2008 obd location