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      05-28-2017, 09:14 AM   #1
wizord
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Oxygen Sensor Heater

Hello,
I have a 2014 BMW x1 x28i and i am getting the engine malfunction warning which puts the car into limp mode. This only happens after i have run the car for a few minutes and it's hot. If it's a cold start, the car runs normal. I hooked it up to the carly app and i get the following codes:


Engine / Motor
:Lambda probe before catalyst temperature
Code: 002CAA
Charge pressure control, shutdown: pressure build-locked
Code: 002C58
sorry, unknown fault
Code: 002CA4

I just replaced both o2 sensors and that did not solve the problem. I can't find any information on the oxygen sensor heater circuit for this car. Can anyone help with this?

thanks in advance,
Scott
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      05-31-2017, 03:45 PM   #2
wizord
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UPDATE

turns out Carly had the wrong code. So don't trust that app. Rheingold had a 02CAA as a wastegate malfunction.

so going to replace that tomorrow and hopefully it fixes my issue.
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      02-06-2018, 09:30 AM   #3
Ja Gio
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Quote:
Originally Posted by wizord View Post
UPDATE

turns out Carly had the wrong code. So don't trust that app. Rheingold had a 02CAA as a wastegate malfunction.

so going to replace that tomorrow and hopefully it fixes my issue.
I get these same 3 codes every couple of weeks, always when starting. Mine goes into limp mode - most times a restart will remove the limp.
Did the waste gate replacement solve the issue for you?

Thanks
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      06-26-2019, 08:01 PM   #4
Prelude93
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Hi, getting same three codes. Curious if Wastegate fixed the problem?

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heater, lambda, o2 sensor, oxygen, sensor

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