• Your four codes are all related they have to do with you oxygen sensor on bank 1 of your exhaust. It is either diconnected or has malfunctioned. replace this O2 sensor and reset the ses light you should see an immediate change in the way your engine runs also. Good Luck, God bless
  • i had the same problem. what i did was i put a new gas cap. the light went away it was a problem with the pressure thats why the check engine light came on. try it out it might work for you

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