Extended run-time...oil pressure drops
I had to make a run all the way down to Poughkeepsie (about 50 miles) and then to the place where I work, immediately after my stop, a non-stop drive. I drove about 100-125 miles in about an hour and a half.
I noticed that, after a good percentage of this drive, that the oil pressure started to falter while I was idling at a stop sign. It dropped to just a little over 1, and the needle was shaking. I turned the idle all of the way up, and the needle rose up to about 2.5...usually it would be pegged at the top. Anyway, I drove it the parking lot of the building where I work, and shut it off. Came back outside after work (about 4 hours later....yeah, I make 10 dollars an hour and work 3.5 hour shifts, that is awesome for a kid my age) and started it up...the oil pressure was fine. What happened, then!!?!!?!?? |
glinko
the oil pressure sounds normal. about 1.5 is normal for a warm engine at idle. what kind of oil are you using?
tom w |
channelizing
in the filter media... The bulk cotton 'floor sweepings' (that folks here h8 to think are in their filter) get temporary channels formed in them after a period of time at hi rpm. This leads to a reduction in oil pressure (and less effective filtering) during/after a hi speed run.
but I don't think theres anything wrong w/ your oil pressure readings, sounds about the same as mine. |
I am using 10-30...it's some cheapo brand called "Super Tech" I try not to invest in expensive oil because I have to add a quart about every 100 miles.
Thanks for the info guys. I guess my oil pressure tends to run a little high for some reason.... |
not a diesel rated oil???
Check your container-I don't think "Super Tech" 10W30 Wally World oil is diesel rated-I personally use the Mobil 1/Delvac/Truck & SUV (also from Wal-Mart), but with high usage, I would run the Super Tech 15W40, or the conventional Delvac 15W40. By the way, even on synthetic I see 1.5 bar after a long run at idle too.
|
Glinko, Listen to Bullwinkle... this is very serious.... you just think a quart of oil per $100 miles is bad..... check out what getting a replacement engine will cost...
Are you burning it... or leaking it ? Even if you are burning it... it may just be something cheap and easy to replace like the valve seals.... My 240 was using about that much oil... had a bad copper washer on the oil pan drain plug, other little things.... and I was keeping it at ' full' instead of half way between full and add... these engines are sensitive to being overfilled.. But do not discount the need for Diesel rated oil....cheap insurance in the long run... |
yes
and with the correct heavier oil it may use and leak less. also dont neglect 3000 mile changes. if the oil is old it will burn out quicker.
tom w |
it's been a little more than 2k since I last changed the oil.
The valve cover gasket was leaky, so I replaced it. It still leaks because I grew impatient and did a crap job. I'll start using a thicker, and also higher quality oil. |
glinko
your honesty is refreshing. the valve cover gasket is high quality rubber so just remove the cov again and see why it is still leaking. you may have a corner folded over. also the valve cov could be bent but in any case you prob have not ruined the gasket. so give it another try and i bet you can get it to stop leaking.
honesty and humility are very excellent traits. mistakes are made, it is how we deal with them that determines our character. tom w |
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