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2533 Views 4 Replies 3 Participants Last post by  bluecurio
My 1994 Audi 100S 2.8 l has recently quit several times on me while on the interstate at 65-75 mph. The oil pressure light comes on, a high pitched alarm, check engine light, and the gear shift indicator on the console flashes up and down through all of the gears. I don't see anywhere that oil pressure will shut the car down. Pressure is good at 4.5 bar anyway. Car starts right back up and no further problems for days. Freaky is that it happens within the same 3 miles of my 75 mile drive every time it has happened. What all can cause the engine to trip? I think what I see on the console should give some hints, but Audi is clueless. They say I might need a tune-up, but the car runs smooth as silk.
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Yes, the oil level is where it should be, and the pressure is normally 4.5 bar at highway speeds. But along these lines, if there were a faulty oil pressure switch, is that something that shuts the car down? It's not clear in the manual.
I saw in one of the other forums that on Audi driver found it to be the Hall sender that was faulty, and gave similar symptoms. Anyone know anything about how this would behave?
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