2011 2.4l Equinox various engine codes

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yorel68

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Joined
Aug 17, 2025
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Location
Illinois
New here and just bought this 2011 for my daughter. It started bucking and went into limp mode on the drive home. Shows the check engine light, Service StabiliTrak, and Engine Power is Reduced. It also has the following codes:
U0100
P0300
P0520
P228D
P0089

I'm hoping that these are all related to recent service (within the last year) of the water pump and timing chain changed. Any chance of that?

Thanks, LeRoy
 

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