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Join Date: Jun 2003
Location: New Haven, CT
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Lightbulb another oil pressure question

So since the biggening of the summer I have noticed that when my radiator fans come on my oil pressure drops below 1bar causing the oil light to come on when im at idle, if I rev up the engine then Im fine. this only happens when I have been drive the car in hot weather for approx 30mins, Is there some kinda sensor that is bad or is something wrong?? The car idles fine approx 900rpm. I think the fans are making the idle drop and causing low oil pressure. Whats the fix??

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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 07-17-2004, 04:10 PM
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had the same problem with my IROC - it was a bad sensor. Also had the same problem with a friends car and we changed the oil and used a heavier oil (I think for memory we used Valvoline Race 50) - the heavier oil in a worn engine was much better for the old oil pressure! Have a look at your sensor and see if it leaking!
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Brett, Dallas, Texas (Originally from Sydney, Australia)
1986 944, Zermatt Silver / Black Leather
1994 Full size Blazer, Midnight Blue
1989 IROC, Arrest-me-Red
1966 Corvette Roadster 427 4spd, Silver / Black

DRIVE THEM LIKE YOU JUST STOLE THEM!
Old 07-17-2004, 04:17 PM
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What sensor should I be looking for and where is it located??
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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 07-17-2004, 04:19 PM
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As far as I know it doesnt but it must a little, why would the oil pressure drop?? I will pay more attention to the RPMs next time, Do you think the dual fans are drawing enought current to screw with the idle, or should I start messing with idle controles
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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 07-17-2004, 07:02 PM
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