rustorbust Posted February 3, 2004 Share Posted February 3, 2004 The car is a stock 1976 280z with the fuel injected 2.8 liter. I was wondering if you put to much oil in an engine, like 1 quart over would that make it so that the oil would hit the crank and make it foam. Ending up by loosing oil pressure. Im not sure but i think i added 1 quarts to many. While i am on the streets keeping the motor under 2 grand it seems to be fine but on highways speeds like 3 grand and up it drops all the way down to like 0 to 4 pounds. I checked the gauge and the sender and i dont seem to have a problem with them. I have heard of this happening before but i didnt think that one quart would cause this. James B. Quote Link to comment Share on other sites More sharing options...
johnc Posted February 4, 2004 Share Posted February 4, 2004 Check the oil level with the dipstick. Does it show 1 quart over? If so, drain out about a quart and see if the problem continues. If it does, then replace the oil pressure sender. Quote Link to comment Share on other sites More sharing options...
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