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    Thread: 2011 Aveo kicking multiple codes

    1. #1
      What's wrong with my car?
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      2011 Aveo kicking multiple codes

      Question.... My 2011 Aveo5 LT is kicking multiple codes, P0700, P0455, P0101, P0073, P0073-74, U0001, U0100.... Will start and drive but is very slugish unless you push the accelerator to the floor. cat temp is about 900... obd2 scanner keeps saying it lost communication. At first replaced the maf due to a code but now i am lost. please help...



    2. #2
      Should I keep it?
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      In my opinion, a bunch of codes that happen around the same time suggests a wiring or grounding issue. Have you checked the wiring harness to chassis ground connection right beside the underhood ECM? I would wager the mounting surfaces at that ground connection are rusty. Check that first before troubleshooting any further.

      Deano

    3. #3
      What's wrong with my car?
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      I haven't checked that but a lot of what i read pointed to the ecm being bad. I will check that ground. other than that do you have any other thoughts?

    4. #4
      Should I keep it?
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      Yes, if that was my car, i'd also crawl under the car, and check the wiring harness ground connection by the starter.

      Deano





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