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Old Mar 13, 2005 | 03:55 PM
  #1  
BIGBLOCKEK's Avatar
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From: Helena, MT
Default oil pressure sensor

well, i was under the car today and noticed that mine wasn't hooked up. im not sure how that happened but i intend to run the wire and hook it back up.

my question is: shouldn't the oil light be comming on at the gauge cluster?
if mine is not on, is the only possible reason because the bulb is burnt out, or is there some other way i could not have an oil pressure sensor hooked up but still not have the light turn out? i mean my oil level is perfect but if the sensor isnt hooked up wtf?!? does the sensor work the opposite that i would expect it to, registering voltage and triggering light only when pressusures are wrong? where i would think voltage would be constant, and drop/rise of voltage either way shuold trigger my light on the cluster...

also, by not having this hooked up, do i just risk not getting informed by the light when pressures are wrong, or can this directly effect the way my engine runs at all?

by the way, this IS the senseor with the phillips screw on top to fasten wire with, just to the left of the oil filter if you were looking at it from the drivers side axle, correct? not to be confused with the knock sensor, further away from the filter but still down there on the back of the block...
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Old Mar 13, 2005 | 06:02 PM
  #2  
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From: Lafayette, LA, USA
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that is the dummy light, when that light comes on, it is already too late, get a mechanical oil pressure gauge
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Old Mar 13, 2005 | 06:10 PM
  #3  
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Default Re: (PrettyLude)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PrettyLude &raquo;</TD></TR><TR><TD CLASS="quote">that is the dummy light, when that light comes on, it is already too late, get a mechanical oil pressure gauge </TD></TR></TABLE>

*sigh...*

can anybody answer my question?
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Old Mar 13, 2005 | 06:56 PM
  #4  
Turbogixxer's Avatar
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From: Boca Raton, FL
Default Re: oil pressure sensor (BIGBLOCKEK)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BIGBLOCKEK &raquo;</TD></TR><TR><TD CLASS="quote">my question is: shouldn't the oil light be comming on at the gauge cluster? </TD></TR></TABLE>

No, the low oil pressure switch is just that, a switch. It gives the light ground. SO having it not hooked up will make no difference.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BIGBLOCKEK &raquo;</TD></TR><TR><TD CLASS="quote">
if mine is not on, is the only possible reason because the bulb is burnt out, or is there some other way i could not have an oil pressure sensor hooked up but still not have the light turn out? </TD></TR></TABLE>

When you put the key to the "on" position, the light should be on until it see oil pressure (starting the car). If the light turns off after a short period of time, you have to look into the wiring and/or sensor. If it does not come on, you have to look into maybe the blub is out.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BIGBLOCKEK &raquo;</TD></TR><TR><TD CLASS="quote">does the sensor work the opposite that i would expect it to, registering voltage and triggering light only when pressusures are wrong? where i would think voltage would be constant, and drop/rise of voltage either way shuold trigger my light on the cluster...</TD></TR></TABLE>

That would cost more money to do it that way. I mean, it turns the light on at ~3psi, your motor is gone by then (if you are not lucky).

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BIGBLOCKEK &raquo;</TD></TR><TR><TD CLASS="quote">also, by not having this hooked up, do i just risk not getting informed by the light when pressures are wrong, or can this directly effect the way my engine runs at all?</TD></TR></TABLE>

Not really, see above.



#4 is the low oil pressure sensor, yours may or maybe not have the grey boot.
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Old Mar 13, 2005 | 07:21 PM
  #5  
BIGBLOCKEK's Avatar
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Default Re: oil pressure sensor (turbogixxer)

ah haha of course turbogixxer comes through, thanks alot man, as if you didn't already have an exclusive spot on my extreamly short thank you list comending the creation of my car.

well if the wire not being there doesnt risk the well being of my engine, i am not going to rush into crawling under there anytime soon. now i can enjoy the rest of my sunday without a worry...
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