Oil Pressure Switch
03-01-2008, 12:54 PM
#1
1st Gear Member
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Join Date: Feb 2007
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Posts: 128
Oil Pressure Switch
so i was reading up the other day and found out that you can see a whole bunch of cool things through your odometer screen. so i went out and tried it and found out that my car had a dtc 5284 which i found out is the code for oil pressure switch failure. its a cheap part but i have no idea where it is in the engine compartment. so does anyone know where it is? Also is it bad for the car to run while the switch is not working?
Landon
Landon
03-01-2008, 03:10 PM
#2
1st Gear Member
Join Date: Nov 2006
Location: CA
Posts: 87
RE: Oil Pressure Switch
it doesnt hurt the car if it does not work but I would replace it right away because if your oil pump goes out. You will not have any clue and boom. there goes the engine. The switch is located on the oil filter housing. You may want to check the wire. Mine came loose and all I had to do was plug it back in.
03-01-2008, 09:18 PM
#4
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
RE: Oil Pressure Switch
First of all, the DTCs presented by the instrument cluster diagnostics are NOT OBD-II trouble codes, and are in fact largely useless unless you are torubleshooting the instrument cluster--so don't go into panic mode yet.[/align][/align]Was the engine running when you put the instrument cluster into diag mode? If not then the oil pressure switch DTC is normal.[/align][/align]Does your oil pressure guage sit more or less in the middle of the range when the engine is running? If so then there is nothing wrong with the switch--I.e , it ain't broke don't set out to fix it.[/align][/align]From a posting I made a few months back
[/align][/align][/align]
The instrument cluster diag mode grabs a snapshot of certain things when it's first initialised, I.e. after you have pressed and held the odometer reset button, turned on the key, and then released the odometer button after 5 seconds--when tEStis displayed--and provides realtime monitoring of other values. [/align][/align][/align]What this means is that when the snapshot is taken the o/p sending unit has not cycled and appears dead to the computer. The sending unit is not repolled so the "error" remains; it's not a real error and does not mean the o/p sending unit is bad. This is explained in a TSB that I can't find just now, along with further explanation of other "gotchas" and what the cluster diag mode is useful for. [/align][/align] [/align][/align]The oil pressure itself is monitored, however it's represented as a value from 0 to 176 indicating > 6psi of pressure; and > 176 indicating < 6 psi or no pressure--usually only 0 or 255 will be displayed. The sending unit is just a pressure switch, closed when there is < 6 psi pressure, open when there is more than 6 psi...
03-03-2008, 03:45 AM
#8
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
RE: Oil Pressure Switch
ORIGINAL: ShinobiOfLegends
Excuse me...but how the hell do you pull up DTC's on the odometer?!
Excuse me...but how the hell do you pull up DTC's on the odometer?!
03-03-2008, 03:58 AM
#9
3rd Gear Member
Join Date: Jul 2006
Location: Lost Wagez, NV
Posts: 927
RE: Oil Pressure Switch
Basically... the only usefull info it shows is the speed your going (so you know if your speedometer is off) and the digital tach! I used this to find out my Cobra cluster was off! Then I offed the Cobra cluster!
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