Question about 2007 Chevrolet Tahoe
Oil gauge goes from 0-80psi back and forth
Posted by Anonymous on
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Posted on Jan 02, 2017
if its not a fuse check the speed sensor for the tach, and the oil pressure switch on the side of the engine block see if the lead came loose
Posted on May 08, 2009
No fuse for the switch on the engine although the cluster has a fuse for the instrument gauges
Posted on May 27, 2009
Most likely it's the oil sending sensor, located beside the oil filter. You can change it, just be sure to have old newspaper or rags laying around the area where you will work, because a little oil will be lost. The part isn't expensive, for mine on a Ford Expedition was around $35 and took 5 minutes to change. Just un-plug the connector going to the sensor, and a larger wrench will be needed, large (7/8, 15/16) somewhere in that range of size.
Posted on Jan 06, 2010
I have this same problem with my 2002 trailblazer; however, I goofed up and had a mechanic look at it, since I was perplexed as to what was going on with it. He told me the oil pump needed replacing and it ended up costing me around a $950. Needless to say, it still happens. A grand down the drain - it wasn't the oil pump. The oil level is always good. This generally occurs when I've run the vehicle for a while and then come to a stop. It occurs quite often during the spring/summer and doesn't happen all that much during colder months.
Posted on Apr 13, 2010
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Mar 06, 2017 | Ford Cars & Trucks
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