Citroen C4 engine noise (like air comming out) like "ch ch ch ch ch... "

Car: Citroen C4
Variant: 1.6 HDI
Model Year: 2006
Categories: Engine & Drivetrain
I hear a noise comming from engine like air sound comming out while engine is running like ch ch ch ch
Posted: Apr 18, 2021 (3 years ago)
Check for any hose / vac leaks .Could also check the auxiliary belt .

https://www.youtube.com/watch?v=V1VP2KzWXCk
Posted Apr 19, 2021 (3 years ago)
Injector seals
Posted Apr 21, 2021 (3 years ago)

This problem is archived

If you're having a similar problem please click below to re-post this problem, you can then customise it to suit your situation.

Join the community
Got a question? Can you answer other questions here? If so please...
More problems with the 2006 model year Citroen C4

We have 34 problems and solutions in our database for this model year of the car.

View all Citroen C4 Problems