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oil pressure gauge install question.

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Old 05-02-2010, 03:48 PM   #1
My1stGT
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Default oil pressure gauge install question.

i recently installed an autometer oil pressure gauge (mechanical). my question is will there be any effect on the computer by not having the stock gauge/wiring not hooked up? i know with water temp it needs to be hooked up but not sure with oil pressure. thanks
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Old 05-03-2010, 06:13 PM   #2
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anyone?
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Old 05-03-2010, 06:16 PM   #3
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I think oil pressure only goes to the gauge. I teed mine off to run both sensors just in case. You can get the plumbing from your local hardware store.
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Old 05-03-2010, 06:21 PM   #4
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hey I am about to install a mechanical gauge on my car... can one of you guys give me a run-down on how to do it please?
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Old 05-03-2010, 06:31 PM   #5
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Quote:
Originally Posted by 0949er View Post
hey I am about to install a mechanical gauge on my car... can one of you guys give me a run-down on how to do it please?
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Old 05-03-2010, 06:46 PM   #6
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Originally Posted by a_penquin View Post
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beat me to but its not that bad
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Old 05-03-2010, 06:52 PM   #7
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beat me to but its not that bad
He still hasnt replied to my two questions 1: where is he mounting it and 2: dose he have a oil cooler (factory or aftermarket). I was going to give him routing advice, tap in location, light wiring and firewall penetrations.
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Old 05-03-2010, 07:22 PM   #8
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He still hasnt replied to my two questions 1: where is he mounting it and 2: dose he have a oil cooler (factory or aftermarket). I was going to give him routing advice, tap in location, light wiring and firewall penetrations.
i mounted mine on pillar, along with temp gauge. i tapped into defrost lights so i can also dim them. where did you tap into and wire from?
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Old 05-03-2010, 07:44 PM   #9
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Im running a 3 pillar with electric gauges but its all the same in the end. I tapped directly to the dimmer switch. I have a pics of the gauges and plumbing below.

Click the image to open in full size.
Click the image to open in full size.
Click the image to open in full size.
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Old 05-03-2010, 08:36 PM   #10
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a_penguin, thanks for all ur help BTW.

My1stGT, has your car triggered any CEL light of any kind?

From what I can find, you might trigger one of these three ODBII errors:

P0196 - Engine Oil Temperature (EOT) Sensor Circuit Range/Performance
P0197 - Engine Oil Temperature (EOT) Sensor Circuit Low Input
P0198 - Engine Oil Temperature (EOT) Sensor Circuit High Input


Those three have to do with the EOT calculating your oil temp. I'm assuming that it will throw an error after it realizes that it cant get a temperature.

*edit*
This one might also be possible:
P0298 - Engine Oil Over Temperature Condition (because the EOT sensor doesn't exist). This one will retard your motor so It cant run at high speeds. (because it thinks your engine/oil is too hot)
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432 wrhp / 397 wrtq NOT FAST ENOUGH!!!
NEW VIDEOS!!!!!
**It takes ~$60 a rwhp (over stock) for a 99-04 Mustang GT.** Do the Math

Last edited by 0949er; 05-03-2010 at 08:43 PM.
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Old 05-03-2010, 08:42 PM   #11
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Quote:
Originally Posted by 0949er View Post
a_penguin, thanks for all ur help BTW.

My1stGT, has your car triggered any CEL light of any kind?

From what I can find, you might trigger one of these three ODBII errors:

P0196 - Engine Oil Temperature (EOT) Sensor Circuit Range/Performance
P0197 - Engine Oil Temperature (EOT) Sensor Circuit Low Input
P0198 - Engine Oil Temperature (EOT) Sensor Circuit High Input


Those three have to do with the EOT calculating your oil temp. I'm assuming that it will throw an error after it realizes that it cant get a temperature.
no i havent thrown any codes as of yet and have had it on a month or so now ,but as a_penguin did i may go ahead and hook the stock up as well ,just in case ya know. let me know how your install goes
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Old 05-03-2010, 09:16 PM   #12
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Quote:
Originally Posted by My1stGT View Post
no i havent thrown any codes as of yet and have had it on a month or so now ,but as a_penguin did i may go ahead and hook the stock up as well ,just in case ya know. let me know how your install goes
will do. Just consider some errors don't necessarily throw a CEL, so if you had your car scanned, one of those *might" come up, even though they don't necessarily trip a CEL. Either way, if it has been like that for a month now, I wouldn't even bother. If there was a problem, you would of known by now.
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Comp Cam Stage 2's (XE 270AH)
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NEW VIDEOS!!!!!
**It takes ~$60 a rwhp (over stock) for a 99-04 Mustang GT.** Do the Math
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Old 11-16-2012, 09:16 PM   #13
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hey i was hoping if you could help with the install of a mechanical oil pressure gauge i really need help and if theres anything i might need to know about this..thanks
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Old 11-17-2012, 11:05 AM   #14
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What does the EOT (Engine Oil Temperature) sensor, which the GTs do not have anyway, have to do with the oil pressure switch?

Regarding the switch, all it does is link to the instrument cluster; it is not monitored by the PCM that I can find...
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Old 04-27-2014, 10:36 AM   #15
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I know this is an old thread, but I found it when searching for a location to install an oil pressure gauge. Can one of you detail the parts and location of the install?
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Old 04-30-2014, 08:05 PM   #16
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theres an unused capped bung on the oil cooler, u can get the parts you need from a hard where store
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Old 04-30-2014, 08:05 PM
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