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K-light code 52, exhaust values ok
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It’s true that a failing lambda probably should have caused a failed emissions test, but I have tested the other sensors and also checked the hoses for leaks so running out of possible causes. Because of the symptoms, and that the lambda sensor should be near its end of life anyways, I decided to give it a go. Only thing left would be to check the EVAP.  

Another thing I noticed was that the fuel filter seems to be of the wrong type, it is a Nissan branded fuel filter with both of the hose connections on top (looks like a diesel filter actually). I will change this as well, I guess it could be the culprit.
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RE: K-light code 52, exhaust values ok - by Charlskalas - 01-07-2020, 07:11 PM

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