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Ford Focus - Mechanical problems - McGra99
Hi all recently had my head gasket changed along with the timing belt so on. While driving the car home for the first time, I heard a lot pop like sound come from I believe the front driver side area of the car, and the malfunction engine light came on afterwards. Car lost most of its power when I drove home but the noise never happened again.

Any ideas what it could be ?

All help appreciated.
Ford Focus - Mechanical problems - elekie&a/c doctor
More info would be helpful. Age of car, engine size , petrol / diesel??
Ford Focus - Mechanical problems - McGra99
Apologies thought I’d added that.

2014 Ford Focus 1.6 diesel Tdci ztec s
Ford Focus - Mechanical problems - Oli rag

It could be that a hose has blown off the turbo, should be easy to refit and tighten.