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280SL Erratic Oil Pressure Gauge
My 1984 280SL has an erratic oil pressure guage. This is the electric gauge. When I got the car, it went to 3 bar when the ignition was turned on and stayed there. Always. I checked it out per the manual and replaced the sending unit when I did the head.
Now it works sporadically. Today, for example, the OP came down to 1.5 bar at idle as the car warmed up. Then I stopped at the bank and shut the engine off for a couple of minutes. Restarted and the gauge immediately pegged and stayed there. Arrived at work, shut ignition off, but gauge stayed pegged. I am sure that when I leave for home, it will be down to zero, and the cycle will repeat, or it may work for a while.
Ideas?
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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe
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