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Guest
Anonymous Poster
prSillestss@aim.com
Mar 14, 2008, 11:08 PM
Post #1 of 11
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***OIL PRESSURE LOW**
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3.4 01 impala 123,000 miles and low oil pressure light came on did as you said and took it to a mechanic he said that everything was fine is it possible for it have a false alarm???
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way2old
Veteran
/ Moderator
Mar 15, 2008, 8:37 AM
Post #2 of 11
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Re: ***OIL PRESSURE LOW**
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Did the mechanic install a pressure gauge and read actual peressure? If so, what was the pressure? If ir is indeed normal, I would look to the oil pressure sending unit as being faulty.
Being way2old is why I need help from younger minds
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Guest
Anonymous Poster
Mar 15, 2008, 2:40 PM
Post #3 of 11
(1418 views)
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Re: ***OIL PRESSURE LOW**
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yes and it read normal could it be a bad sensor because it still comes on but it goes away after about 10 seconds before he checked it it use to stay on longer
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way2old
Veteran
/ Moderator
Mar 15, 2008, 2:52 PM
Post #4 of 11
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Re: ***OIL PRESSURE LOW**
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How often does it come on? Does it just do it on initial start up, or anytime at idle? If it is just on initial start up, it may just be the sender having crud in it. If it comes on at idle, it could possibly be sender not reading the thinner oil properly. Hard to say for sure without actually testing.
Being way2old is why I need help from younger minds
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dave284
Enthusiast
/ Moderator
Mar 15, 2008, 3:08 PM
Post #5 of 11
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Re: ***OIL PRESSURE LOW**
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I'm with you W2O,.... oil sending unit or oil wieght,... always didn't like those nick name (dummy lights) cause by the time they came on it was too late.
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Guest
Anonymous Poster
Mar 16, 2008, 3:29 PM
Post #6 of 11
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Re: ***OIL PRESSURE LOW**
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when i put the key in and dont start it; it doesn't say anything but when i turn the car on it comes on for about a minute then goes off is there any way i could get it to turn off should i change the sensor??
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Double J
Veteran
/ Moderator
Mar 16, 2008, 3:39 PM
Post #7 of 11
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Re: ***OIL PRESSURE LOW**
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Ok...I'm trying to follow this and its kinds confusing..
Start at the beginning...
What exactly happened?
Were you driving along and light came on?..did you just buy the vehicle?
Was oil level ever checked? low?
I see mechanic said oil pressure is normal..
Does it only come on on start up and then go off?
Is it actually a minute or a few secs...which would be normal ..
I am sorry for so many questions,just I am not sure I understand your exact problem...not sure others do either.
Help us..
Please explain again..
Maestro....From the Top...
Jim
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Guest
Anonymous Poster
PRSillestss@aim.com
Mar 17, 2008, 4:41 PM
Post #8 of 11
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Re: ***OIL PRESSURE LOW**
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so now i changed my oil even though when i checked it and it said full i changed it and put in 20 50 and the light went off make any sense??????
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huxley
User
Mar 19, 2008, 1:16 AM
Post #9 of 11
(1375 views)
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Re: ***OIL PRESSURE LOW**
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20/50? Really? That's kinda...heavy aint it? I use that in my wet clutch motorcycles for chrissakes. I'm betting you'll notice and decrease in your gas mileage with that one. At least I always do with the bikes when I use heavier oil.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 19, 2008, 3:18 AM
Post #10 of 11
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Re: ***OIL PRESSURE LOW**
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20-50 oil is pretty heavy for automotive use. It will conceal some signs of a worn engine and produce higher oil pressure readings once running but can be slow to get flowing and VERY thick for cold starts. It will effect fuel economy. In general I would leave that to a "last ditch" attempt to get some more life out of an engine in certain circumstances only,
T
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Guest
Anonymous Poster
Mar 19, 2008, 8:43 PM
Post #11 of 11
(1368 views)
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Re: ***OIL PRESSURE LOW**
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ok thanks
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