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Discussion Starter · #1 ·
Team,
I own a 2011 Chevy Cruze 1.4 turbo and I’m having issues. The check engine light codes read:

P2227 - Barometric Pressure Sensor “A” Circuit Range/Performance (Fix: Replaced Turbo charger)

P0299 - Turbocharger/Supercharger “A” under-boost Condition (Fix: Replaced Turbo Charger)

P0420 - Catalyst Efficiency Below Threshold Bank 1 (Fix: Replaced Catalytic Convert [B1])

P9228 - O’Reilly couldn’t find what those code was unfortunately.

I’m having the symptoms of an exhaust manifold crack; lack of power, exhaust smell in cabin when running defroster, strange noise from engine compartment.

At first I thought the noise was from the broken AC compressor pulley, so I replaced that (didn’t put refrigerant back into the system yet). And the person I bought it from said the engine light was from bad map sensors, so I replaced them from a 2011 Chevy Cruze 1.4 non-turbo (just LT, not RS edition).

Could the Turbo and catalytic converter codes be popping up due to the result of solely a crack in the manifold OR are they popping up because they actually need replaced? Has anyone ever had that P9228 code pop up?
 

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Discussion Starter · #4 ·
also the 1.4’ have turbo issues from what i researched they have a lifespan of 60~70k miles before something with the turbo fails (weather its electrical or mechanical). my 13 1.4t stick has underboost codes and i’ve replaced everything but the the turbo in mine.
I’m at about 122k miles so that’s probably accurate then. Might as well replace all three parts then while I have the turbo off then.
 
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