Question about 2007 GMC Envoy Denali

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I just got my oil changed in my 2007 denali. i was driving on the highway the gauge went from 14 to 0. the engine light came on and the display showed low oil pressure turn engine off. whats happening here? I put in a new alternator and new spark plugs. it has 66000 miles. please help

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Low voltage can do some strange things to cars now days. Some things to check would be first your battery condition, and take off the cable ends and clean them even if they look good. Then check the connections on the starter, again its best to take the wires off and clean them, you can't always tell a bad connection by looking at it. You may have a fuseable link that has gone bad too, that would be one of the wires coming off of the starter. Even a bad starter can **** the life out of your electrical system, from 14 volts down to 0. I hope i've given you a little direction here, good luck.

Posted on Apr 04, 2011

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Ive seen where the oil drain plug wasn't secured and fell out b4. --it happens

Posted on Apr 04, 2011

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First, check the oil level to make sure that the level is at specifications. This is the first thing I suspect.
Let me know if the level is correct. We can go from there. Thanks.

Posted on Apr 04, 2011

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Sounds like you got a faulty oil filter, And you also need to have them reset your ecm " computer"
Good luck.

Posted on Apr 04, 2011

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Could be faulty sending unit /gauge/or wires
you did not mention if oil was leaking or if oil level was o.k.

Posted on Apr 04, 2011

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