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I have a Chevy Express 1500 Van. When at stop light oil pressure goes close to 0. Already changed oil pressure sensor. Also when I use signal light the feul gauge flickers with it. If you can answer my question it would be awesome. Thanks in advane!
 

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More info would be helpful. What year is the van, what engine, how many miles on the van. What oil are you using. Is the oil, 5w30, 10w30,???. Have you checked you oil pressure with a gauge that pluges into the engine. The OE gauges are not that accurate. As for your gauges flickering, that sounds like you may be having some ground issues. This could also contribute to your oil pressure not reading rite, if your oil pressure is not low. Do some research on you tube about how to check oil pressure. Also on how to check your grounds.
 
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