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Hi All , CAR- Chevy Cruze 2.0 J300 VCDi - 2016
Replaced the MAF but code and problem still exists.
Under normal driving seems ok but once I put my foot down there is no power and i get the car/spanner light and also got the Check engine light.
I noticed a bit of a bassy note(like booooo) while accelerating which now leads me to think that there is some back pressure caused by clogged up cat converter?
Has anyone had this experience? Note- the car usually isnt driven much- since new 2016 it has done less than 8K miles only.

Any help would be greatly appreciated.

Thank you
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