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    Thread: Check Engine light on. (Oxygen Sensor. "bank 1")

    1. #31
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      Hi all - I just joined this forum as I am having problem with the malfunction (check engine) light, last year the main dealer kept my car for almost 2 months and everything was running hunky dory after that, until about three weeks, when the malfunction (check engine) light came and stayed on and the car felt like misfiring, took it in and they said they had fixed the problem which was a rogue code, however, the light came back on the very next day and this time the main dealer garage had my car for over a week and I picked it up yesterday. The service manager assured me that he had test driven my car on a couple of occasions and nothing seemed amiss. Sadly, today, the car again started behaving like it was misfiring and then the malfunction light came and stayed on.

      I have now lost all confidence in the main dealers and am thinking of having my Aveo checked out by a local garage, would this be a good idea? By the way, my car is now just over three years old and has been regularly serviced by the main dealers under warranty (to be fair, they have not charged me anything for the three times they tried to fix my car's problem, nor did they charge me anything for the loan of a courtesy car each time, in this respect, they are second to none).

      Bytheway, what are TSB and TPS?


      Last edited by Gurkhaman; 12-02-2012 at 05:45 PM.

    2. #32
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      Quote Originally Posted by Gurkhaman View Post
      .... I have now lost all confidence in the main dealers and am thinking of having my Aveo checked out by a local garage ...
      Why not give them one more chance? Are you laughing? Probably not. I wouldn't be laughing either. Did these bozos list the things they did? If your Aveo is a 2009, there is an ignition wire swap that should be done, which could certainly be the cause of misfire. Who knows, maybe they put the original wires back on and threw the new ones away. Did they by any chance list OBD codes (such as P0300) on the paperwork? In any case, by all means try someone else.

    3. #33
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      Quote Originally Posted by avguy View Post
      Why not give them one more chance? Are you laughing? Probably not. I wouldn't be laughing either. Did these bozos list the things they did? If your Aveo is a 2009, there is an ignition wire swap that should be done, which could certainly be the cause of misfire. Who knows, maybe they put the original wires back on and threw the new ones away. Did they by any chance list OBD codes (such as P0300) on the paperwork? In any case, by all means try someone else.
      Thank you for your helpful reply avguy, much appreciated. Yes, my Aveo is a 2009 model. I have tried the main dealers 4 times since last year, hence my loss of confidence in them now. They never provided me with any list of work carried out, I trusted them as I have been their customer for over 20 years. Their after sales customer care is superb but it is the technical side of their work that I am now unsure about. Last year, when they kept my car at their garage for almost 2 months, they kept fobbing me off by saying that they had ordered a part from Korea and it was taking a long time to arrive, and when I asked their Managing Director to exchange my car for a like for like one (the MD has been very good, I have known and dealt with him all this time), he agreed to find one and then exchange my Aveo. Miracle of miracles, the next day, they said they had taken the required part from another Aveo and replaced the troublesome one on mine - never specified what it was.

      The first time it happened this year, all they said was it was a "rogue code" and we have got rid of it, sadly not. Anyway, the owner of this local garage is my wife's colleague's husband and his garage is listed in the Good Garage Scheme, he has agreed to have a look and I am taking my Aveo in later this afternoon. They are Porsche specialists and have excellent reviews and my father-in-law has his car serviced by them. I will feedback.

    4. #34
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      i would go to the managing director, explain your loosing faith in their dealership, ask to go over the records of the repairs. IF THE REPAIRS ARE NOT AVAILABLE IN PRINT, then it is time to write them off permanently. If thy can go over the issues, explain what they have done, explain to you what the codes were, etc then make the decision from there about whether you would trust the dealer with another attempt to fix it. BUT as it stands now, I would be suspect of the dealers actions, even when my car is repaired for free, I receive documentation of what was or was not done. I would hope you could at least resolve to getting the paper trail to take to new mechanic since the previous codes have been erased and such.


    5. #35
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      Thank you avguy and petrified.rabbit, for your helpful replies. The local garage checked and received this code B2AAA, but it did not explain what it was. I would be very grateful if someone could please let me know so I can go back to this garage and have the fault fixed. Thank you.

    6. #36
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      Quote Originally Posted by Gurkhaman View Post
      Thank you avguy and petrified.rabbit, for your helpful replies. The local garage checked and received this code B2AAA, but it did not explain what it was. I would be very grateful if someone could please let me know so I can go back to this garage and have the fault fixed. Thank you.
      Here is something from the web - don't know if it's right or if it will work with their scanner, but might be worth another trip back and have them read this, and hopefully give it a try:

      To other users of the ScanGuage II OBD reader, here is a helpful hint if you get an odd error code that does not appear in the lists of standard P codes available on line or supplied with your SCII. This is from the tech support dept at ScanGuage:
      "A module in your vehicle is reporting a code that doesn't make any sense (B2AAA) because it is overwriting the true code and that B2AAA codes is the first code the SG2 is picking up. You can send a command to the ScanGaugeII in order to read the raw data. To do this:
      From the home screen select MORE> MORE> CMNDS > choose a memory slot> EDIT> enter the numbers 03> SEND.
      This is a work around for now and the engineers plan on doing another software revision that would allow the ScanGaugeII to ignore the meaningless code.
      So if you get a code on your reader that does not show up in the lists, you may be able to try this procedure to see what the root of the problem is.

    7. #37
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      Thank you avguy, I shall print this tip and take it to the garage. Will feedback.

    8. #38
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      b2 is a gm specific body code, the AAA is because the reader cannot identify the code. it makes me wonder what the dealership was using to scan the car more than anything. IF they used a proper GM code scanner, it should have given an appropriate code, usually it is the "generic" obd scanners that will come up with an undefined code because the code is from an unsupported system.


    9. #39
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      Gurkhaman,

      Sorry about the issues you're experiencing. This is the phone# 0800 666 222 for the UK Chevy Customer Service. I hope this is resolved quickly for you.

      Matt,GM Customer Assistance.
      Don't forget to check out my.chevrolet.com link and take advantage of a wealth of vehicle information!

      For information on the GM Privacy Statement, please visit http://www.gm.com/privacy-statement.html

    10. #40
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      My apologies for the late feedback and thank you Matt for the number you kindly provided. To recap: The local garage that got the B2AAA code intended to ask another of his colleagues (another garage) to check my car as his colleague had a better scanner, before he could do that, he asked me to try and get a report of all work carried out by the main dealers so he could provide it to his colleague.

      When I contact the service manager at the main dealers, he was somewhat upset that I wanted to take my car to another garage, said to me; "Mr Charmling", you will not find another big Chevrolet dealer in the area than us", when I asked him if he was telling me that they would try and resolve the issue, he confirmed they would, so I booked my car for 7 January as I was going to be away for 2 weeks in December.

      Took the car in on Monday the 7th January and got my car back on Wednesday, 9th January and the problem they discovered was a faulty oxygen sensor, which was replaced and now the engine fault light has been off ever since and no misfiring either. I am a happy bunny now. Thank you all very much for helping and advising me, much appreciated.





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