Quote:
Originally posted by 91-300E
The OIL pressure in my 91-300E is at 3 when the car is cold and it runs at 1500 rpm. Once it warms up and it idles at around 700 rpm my oil pressure drops to ZERO.
A mechanical gauge measured ZERO at the Oil sender when the car is ideling.
Just changed the OIL pump (very expensive) New timing belt tensioner and I still have the same problem.
At accelaration beyond 1000rpm the OIL pressure is 3.
I am worry about the ZERO reading at idle.
Please any one help
Thank you
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I thought I wrote this when I read it as I have the exact same problem and also replaced the oil pump. I am going to do the o ring thingy and a new oil filter and sender, but I did notice something strange the other night. When I turned my headlights off,the oil pressure went up to 1 1/2 bar at idle. Turn them back on again and it dropped to zero. I think there is an electrical gremlin here somewhere.
