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My 2001 Cavalier oil light is haunted!

Saturday my oil light would come on at stop lights after I drove the car around. Then Sunday it stopped doing that. I had the oil changed at JiffyLube last week. I checked the oil,its fine. It runs normal, but my wallet is scared to death! Could it be minor? The manual oddly stated that the light could occasionally flash at idle or sudden stops but thats just wierd.

I’d have a mechanic hook up a mechanical gauge, and see what the oil pressure is doing. It could very well be a bad sensor. These sensors are simply on/off switches designed to turn the light on if the oil pressure drops below 8 psi. If that is the actual case while the engine is running, that is reason enough to be scared. A calibrated mechanical gauge will be able to figure out if there is really a problem.