Question about 2002 Chevrolet TrailBlazer
After a run on the interstate, when I slow to a stop light, the oil pressure drops to zero then fluctuates and will not recover until tach reasches 1000rpm.
You need to put a mechanical gauge on it to read actual oil pressure, sometimes the sensor is wrong, have seen the gauge be off (even on newer than yours). The first thing anyone would do is the mechanical pressure test with a screw in oil pressure gauge. That would be my advise.
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
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