Solution: Usually only an issue with the C3 Puretech, you'll need to check the shock absorber spring. You should find that the rubber sleeving that the shock absorber sits in has come loose, so the spring itself is in contact with the unit. All you have to do is lever the spring up and reinsert the rubber sleeving. This will resolve the issue.
My car is an 06 206SW with HDI 1.6 110 9HY 16V and no DPF. I have PP2000 V0.9B(22.12). So the other day it failed the MOT on its emissions. Going through the helpful emissions checklist from the garage I have addressed many small questions, including giving the inlet manifold and inlet ports of the head a good clean: I got rid of 13 years worth of muck, though nothing was approaching being
by GiveMeABreak » Fri Dec 27, 2019 6:56 pm. Not all the 1.6 HDi engines are the same - there are different variants, but generally, the DV6TED4 is the engine (shared with Volvo, Ford and others) is the culprit. The 2.0 HDi engines are more reliable and don't suffer with the same problems. It's oil starvation due to sludge and carbon build up
With 2.0 liter HDi, the problem can be floating flywheel and FAP particulate filter. The biggest draw of the 1,6-liter HDi engine is the turbocharger. The 1.4 HDi engine (68bhp) and the 1.6 HDi (110bhp) consume less fuel and work culturally, but in the event of a failure, the cost of service will be much higher than that of the 2.0 HDi engine.
The 1.6hdi engine is an old design now going back to before 2007 and not much has changed re design apart from emissions equipment. The 1.6hdi started life on 10w40 semi synthetic oil but they had problems with the engines blowing turbos, partly because the oil was not good enough to reach the service intervals.
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citroen 1.6 hdi engine problems
