Question about 2002 Nissan Maxima

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2002 maxima check engine light came on

Hi we have a 2002 nissan maxima and the check engine light came on. We took it to auto zone to have it checked and they gave us code p1147 - definition - hos12 maximum voltage not met- probable cause
1 - open or short circuit conditon
2 - failed ho2s12
3 - failed injector or pressure regulator
Are any of these common and what should we check?


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First thing I would do is make sure you battery cables have a flawless connection. I had a Honda with a similar problem. I changed the battery cable and it all went away. Like magic. Sometimes these can be a simple fix.

Posted on Feb 20, 2009


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