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Q: Oil pressure gauge does not move off of zero but engine run good.
on 2007 Chevrolet Tahoe

What would the symptoms be if there was no oil pressure?
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Oh.... The engine would just start making noise.... and then LOCK UP,,that's all.... So, if you've been driving it like that any at all... Must be an oil pressure switch or gauge malfunction.... Have it tested... Soonest!!!
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