The 2nd slightly more worrying issue was an oil leak from the air pipe which runs from the turbo to the intercooler - at the join between the turbo and said pipe. Of course this seemed initially like it could be a somewhat tragic and expensive occurrence but.. upon removing the various air pipes it seems the oil is coming from the crankcase Citroen C3 Windscreen washer fuse location. Engine won't rev over 2000. Citroen C3 Heaters not blowing hot air. C3 Front Wiper Failure. Citroen C3 Heater Blower Failure. C3 Picasso Hub Nut Torque. 2016-2022 Citroen C3 lower fuse box layout. Easy EV home charger install (74kW) Board index. With some 1.6 e-HDi diesel engines, drivers complain of knocking when starting the engine. The problem is often solved by reprogramming the motor electronics, which is responsible for managing the injectors. For 1.4 / 1.6VTi and 1.6 THP motors, there is usually a problem with the timing chain drive, and sometimes with a weak hydraulic tensioner. The same problem with AdBlue emission foult. Car has 147.000 km. I do not know what to do. Took it to Peugeot servis and they upgraded software. That should solve the problem. But it got back. Just like Lassie did 🫣. Culd I request that they shut down the AdBlue sistem. Could this damage the engine? thanks for advises The problem normally lies within the 1.6 HDI Engine but can occur in the 2.0 HDI too. I’m not saying everyone will get this problem and if you are lucky you may never experience the issues with these engines, but the ones that do, have a nightmare and it normally starts from the turbo. What are the most common problems and breakdowns used Citroen C3 2002 - 2012.Used vehicle, experience, issues, review of errors and recalls. FAULTS of engine I've had my C4 1.6 e-HDi Airdream VTR+ EGS6 5dr (I think that's how they describe it!) for 10 days. It's a 61 plate (October 2011) with only 15k on the clock (one former 80+ year old owner). Leaving a roundabout, the dash lit up like a Christmas tree with about every warning under the sun, and bells and beeps to go with it. Hi, I recently had an issue with my 2018 berlingo too. The adblue and engine fault light came on, mileage about 37000. Filled up with adblue but within a few days the light came on again with engine fault light also coming on. Took the car to local citroen garage where diagnostics identified adblue tank was leaking, I needed a new tank and pipe. Citroen C5 - Citroen c5 Tourer - 1.6HDI engine - too weedy??? - lastyboy : If you buy a 1.6 HDi then buy the very latest one you can. The earlier ones seemed to suffer from problems. Turbos blow up sometimes and the DPF can block which is a very costly repair. 2006 Citroen C4 1.6 HDI Turbo Boost - AutoInsider Problems and Fixes 2006 Citroen C4 1.6 HDI. Problem added: Jun 18, 2017 (6 years ago) Hdi Top end engine noise b89NS.