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#1
10-06-2007, 05:12 PM
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Oil pressure at idle
Hi. My oil pressure at idle drops to ~2. Also at low speed, off throttle. Any ideas?
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1984 300TD 
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#2
10-06-2007, 05:16 PM
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That's normal. Mine drops a little lower when it is at operating temp., but you are fine.
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Andrew 1989 Volvo 745- 202K
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#3
10-06-2007, 05:25 PM
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mercedes handbook states pressure can drop to .5 bar at idle (about 7 psi)
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Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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#5
10-06-2007, 06:22 PM
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Hi,
does it point to bad compression in any manner? Thanks
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1992 200E M102 102.963 AKA Silver Old Grumpy Always hope I can freeze someone with the aircon- Just change the compressor again, Subseal leaked with a psssssssss sound. Its the NON-3 Pointed star items on my car that cost more to repair.$%^&%%*^&
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#6
10-06-2007, 07:03 PM
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Quote:
nope
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Cheers, Robert
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#7
10-06-2007, 07:30 PM
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Quote:
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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#8
10-06-2007, 07:42 PM
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Quote:
__________________
1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#9
10-06-2007, 08:22 PM
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Just checking. It used to be a little higher, I just noticed it's now on the lower side of the 2 line.
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1984 300TD
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#10
10-06-2007, 08:54 PM
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Quote:
Also, do these gauge sensors ever wear out? That could cause a change in reading without any change in the actual oil pressure, I presume.
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1984 300D Turbo 163k. 
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#11
10-06-2007, 09:42 PM
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none issue
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#12
10-06-2007, 11:38 PM
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Once again people [bold].5 of a bar is Acceptable. but it must go to 3 when floored.[bold]
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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#14
10-07-2007, 08:24 AM
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MB considers oil pressure healthy if it is more than 0.4bar at idle, move when accelerating and reach 3bar by 3000rpm.
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