GMC envoy engine light is on

Asked by Guru8RCT4 Jan 06, 2020 at 11:52 AM about the GMC Envoy

Question type: Maintenance & Repair

I have an engine light on on my car.  the codes are P0030  Is this something
I can fix.  IT is running great.
also P 0053
        P 0455
        P o449
       P 0030
        

1 Answer
11,855

FJ4072 answered 5 years ago

P0030 and P0053 are the upstream 02 sensor, problem with the heating element. Just replace it, it's simple. The other 2 codes are EVAP, could be anywhere from faulty gas cap to purge valve/solenoid on the EVAP canister.

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