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Old 02-06-2013, 09:28 AM
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Join Date: Jun 2008
Location: Chesapeake, VA
Posts: 138
Oil Pressure Sending Unit?

Hello to all!

I've got a 1991 300E with approx. 213K on it and have developed an oit pressure guage problem, I think.

There is no loss of oil in the vehicle as the dipstick measures correctly when cold. There is no ticking of the valves in the morning and upon cold startup the oil pressure guage pegs at 3. She runs like a top.

Once the car is warm the guage fluctuates with the RPMs upon acceleration but stays at 0 while coasting. It even drops and raises with the transmission shifts. It'll raise to 2-3 while accelerating but drop to 0 when not accelerating

Oil pressure sending unit?

Nick
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