IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Oil Pressure Drop during high speed driving

Old 10-24-15, 07:59 AM
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leaderpvp
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Default Oil Pressure Drop during high speed driving

Hello, Guys.
Yesterday while driving around 180km/h on HWY i have noticed that "Oil Pressure" light on my dash have been flashed for a few seconds...
I was thinking it is my illusion, and continue driving at around 160 km/h.
Later on i have braked to around 100-110 km/h and right away the light came to flash for a 2-3 seconds again.
Does anybody familiar with such issue? If so, what was the reason of issue?
Any additional info will be supplied if required.
--
Info: IS250 2012 FSport, 100,000 km, 10,000 after maintenance - 5000 km more to next (as service advices once per 15k km), oil slightly dark (not much!), oil level on dipstick maybe 1-2mm lower than highest mark.
Mods: FSport Intake, HKS Hi Power cat-back exhaust.

Last edited by leaderpvp; 10-25-15 at 01:40 AM.
Old 10-24-15, 09:23 AM
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Bichon
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Are you sure it was oil pressure and not oil level? It's not at all uncommon for the low oil level warning to flash sporadically when the oil level drops a bit below the low mark on the dipstick.
Old 10-25-15, 01:38 AM
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leaderpvp
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Originally Posted by Bichon
Are you sure it was oil pressure and not oil level? It's not at all uncommon for the low oil level warning to flash sporadically when the oil level drops a bit below the low mark on the dipstick.
The dipstick is just fine and almost at high mark.
The oil is little dark (but not junk yet). and yes, it was pressure light, not the one with waves below.
I am thinking of junk in filter... Called service and scheduled for wendsday morning, going to change engine oil and filter, tranny oil and filter and a serpentine belt. (belt is must at 105k km, tranny i wish to change oil and an engine oil - cauz of this problem, to test.)
Old 11-01-15, 08:30 AM
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leaderpvp
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Finally seems that the problem was in dark oil and a filter full of junk. - KEEP YOU OIL & FILTER CLEAN !
Old 11-01-15, 12:40 PM
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Byprodrive
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Originally Posted by leaderpvp
Finally seems that the problem was in dark oil and a filter full of junk. - KEEP YOU OIL & FILTER CLEAN !
Duh!! What was in the filter? Problem was junk oil.
Old 11-01-15, 11:30 PM
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Originally Posted by Byprodrive
Duh!! What was in the filter? Problem was junk oil.
and a filter that was not allowing good flow of oil =_= unfortunately... since now i don't listen to Lexus' advice to maintain once per 15k km, will do maintenance per 10k km.
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