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  #1  
Old 07-09-2008, 03:28 PM
Joe Joe is offline
 
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Default Low Oil Pressure

My 1995 eldorado sometimes says low oil pressure when i come to a stop, my brother works at a shop and has looked at it and cant find a reason for it saying it, can anyone tell me why my car does this(it only happens once in awhile and typicailly happens when im stopped)
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Old 07-09-2008, 07:23 PM
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Default RE: Low Oil Pressure

have the oil changed with a new filter,I have had a clogged oil filter lower oil pressure maybe its the problem!!I had a 95 eldorado ,it leaked oil but never did the light come on
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Old 07-09-2008, 07:25 PM
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Default RE: Low Oil Pressure

The normals low oil level, bad sender, worn bearings. Other possibles balancer bolt not torqued to spec.(no key way for oil pump, depends on bolt forcing balancer against oil pump gear and primary timing gear on crank) pump pressure relief valve getting hung open by foreign material. Check with mechanical gauge.
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Old 07-09-2008, 07:48 PM
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Default RE: Low Oil Pressure

Does the light come on while you are stopping or when you have stopped and the engine is idling?

For 1. Low oil level, oil moves away from pickup in sump.
For 2. Idle speed is too slow to pump oil at normal pressure.

James
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Old 07-09-2008, 11:04 PM
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Default RE: Low Oil Pressure

I was leaning towards idle too low as well. You can also try a slightly heavier weight oil.
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Old 07-10-2008, 01:48 AM
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Default RE: Low Oil Pressure

the simple question ...

how many miles on that engine?



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  #7  
Old 07-10-2008, 03:26 PM
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Default RE: Low Oil Pressure

Had that issue at a hot engine idle and it was a cheap brand oil filter. Try DELCO next time. This is assuming that your brother did check pressure with a mechanical oil gauge.
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Old 07-10-2008, 09:14 PM
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Default RE: Low Oil Pressure

Excellent point on cheap white box and no name parts. Same goes for oil used. Some of these $19.99 oil changes are using oil that is thinner than cooking oil. Name brands only way to go with oil and filter.
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2006 DTS Performance - L37 32v Northstar NHP V8 292 HP - 1 of 1
1999 STS - L37 32v Northstar V8 300 HP
1998 Deville D'Elegance - LD8 32v Northstar V8 (Sold July 9, 2011 with 225,000 km)
1993 Fleetwood - L05 5.7 TBI V8 (Sold July 18, 2012 with 308,000 km)
1999 GMC Suburban SLT- 5.7 Vortec
1998 Olds 88 LS - Series II 3.8 V6
1973 Pontiac LeMans GT - 454 V8 1 of less than 5
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  #9  
Old 07-10-2008, 10:02 PM
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Default RE: Low Oil Pressure

Most name brand oil filters have some sort of check valve to hold oil pressure, unlike a generic white box one.
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Old 07-10-2008, 10:02 PM
 
 
 
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93, 94, allante, caddy, cadillac, engine, idle, l05, low, message, oil, pressure, pump, stop, stopped


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