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Chevy Cruze 2015 Barometric perssure circuit range and turbo charger underboost performance, 2 error codes

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car advice help or advice obd2 scanner
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chevy cruze 2015 lt turbo

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Discussion starter · #1 ·
Hi, posted another thread before, was suggested to get an OBD2 Scanner. Got it, and i got these two error messages.

Now, from what i understand, it could mainly be just a sensor issue?


I kinda followed the guide link above to see what fixes may fix my error code issues?

As of right now, when i step on the gas, the boost takes AWHILE to kick in or barely at all.

I am thinking either that i need to replace the air filter, or there is a sensor i need to replace that's not allowing my turbo boost to kick in? Or at the 1:20 mark on the YouTube link. OP shows that the actuator needs to be "adjusted"?? Or relaced?

Right now, my car's TEMP tags have expired, i am waiting for my insurance to give me a quote, so it is just parked on my driveway. Can't take it to a mechanic yet.

Any help would be greatly appreciated, thank you.
 
#2 ·
The baro sensor being out of range may be the reason with ecu having no way to know how much boost is there it might just continually blow off the boost pressure to help it save it self.
Alot of times the wastegate flap inside the turbine housing that when actuated bleeds of exhaust to control boost is cracked or not closing all the way and you can't build boost. Mine was cracked when I replaced my head and decided to change the turbo. It could be something to consider. You can try adding more tension to the actuator but it should build boost if you have never messed with it.
 
#3 ·
chevy cruze 2015 lt turbo said:
Hi, posted another thread before, was suggested to get an OBD2 Scanner. Got it, and i got these two error messages.

Now, from what i understand, it could mainly be just a sensor issue?


I kinda followed the guide link above to see what fixes may fix my error code issues?

As of right now, when i step on the gas, the boost takes AWHILE to kick in or barely at all.

I am thinking either that i need to replace the air filter, or there is a sensor i need to replace that's not allowing my turbo boost to kick in? Or at the 1:20 mark on the YouTube link. OP shows that the actuator needs to be "adjusted"?? Or relaced?

Right now, my car's TEMP tags have expired, i am waiting for my insurance to give me a quote, so it is just parked on my driveway. Can't take it to a mechanic yet.

Any help would be greatly appreciated, thank you.
Click to expand...
What are the actual codes, not the titles?
 
Discussion starter · #4 ·
Jake V said:
The baro sensor being out of range may be the reason with ecu having no way to know how much boost is there it might just continually blow off the boost pressure to help it save it self.
Alot of times the wastegate flap inside the turbine housing that when actuated bleeds of exhaust to control boost is cracked or not closing all the way and you can't build boost. Mine was cracked when I replaced my head and decided to change the turbo. It could be something to consider. You can try adding more tension to the actuator but it should build boost if you have never messed with it.
Click to expand...
Thank you for the response. Yes, i do still feel the boost kick in, but it kinda takes a while to kick in. How much was the turbine housing replacement cost? That was cracked for you?
 
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