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Oil press. drop in turbo 200

posted by  rjk on  Fri Sep 2 14:55 CST 2005
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last visit: Sat Dec 12 12:30 CST 2009
[RELATED]

This may not be new to the forum (did a search) but it is new to me.

'84 242 Ti

When I first start up, my oil pressure is fine, once the engine reaches operating temps, the oil pressure gauge drops to less than 1 bar, sometimes the low pressure light comes on.

Now it gets weird: when I accelerate from a standing stop, the pressure gauge will drop to 0, fluctuate, and then rise to around 4-5 bar. It will not drop again while driving normally but invariably will repeat the scenario whenever I actually stop the car and idle the engine. Could this indicate bad o-rings, allowing the pickup tube to drain or something similar? Or is it more likely the oil sender is to blame?
--
Bob K







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