Question about Chevrolet G20

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I have a 96 G20 Chevrolet day van with a high O2 emmission reading, we have flushed with various engine carb flushes but still reading .56, can you advise.

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I need to know if the electronic engine control system has any fault codes, any Kragen, Autozone will test the system for free, just aske for a OBD2 fault code test

Posted on Sep 02, 2010

  • littlepony Sep 02, 2010

    We had a major problem trying to get a diagnostic meter for this van to be told it was an earlier model and the diagnostic tool was of no use. We were given instruction on counting certain flashes readings and i am not a mechanic. We have flushed the system several times,it is only the O2 all else good.

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