Oil Pressure gauge

Novanutcase · January 21st, 2009, 05:43 PM

I've heard that the Oil Pressure gauge on our cars are actually just idiot lights. As long as OP is above 6 psi it registers as normal on the gauge. Is there a way to change out the sending unit so that it actually measures OP? Has anyone done a mod like this and still use the same gauge and not an aftermarket one?

John

Trick Tuners · January 21st, 2009, 05:50 PM

You can add an additional sending unit. But yeah, the stock is a POS.

svtkidd23 · January 21st, 2009, 06:08 PM

yeah mine doesnt even work

99mustanggtman · January 21st, 2009, 06:36 PM

Just get an aftermarket oil press. gauge.

Novanutcase · January 21st, 2009, 07:16 PM

Originally Posted by Trick Tuners

You can add an additional sending unit. But yeah, the stock is a POS.

So all you would need is another sending unit that gives an actual reading? Will this sender work with the stock gauge?

John

svtkidd23 · January 21st, 2009, 07:29 PM

my gauge doesnt work only when it feels like it!

Trick Tuners · January 21st, 2009, 07:52 PM

Originally Posted by Novanutcase

So all you would need is another sending unit that gives an actual reading? Will this sender work with the stock gauge?

John

No. You need an aftermarket setup. oil pressure has always been fairly low on my list of important gauges. Granted it has its time and place, but i have loads of gauges on my car and oil pressure is not on there yet (but i have the sensor already).

B0B · January 21st, 2009, 08:23 PM

Originally Posted by Trick Tuners

No. You need an aftermarket setup. oil pressure has always been fairly low on my list of important gauges. Granted it has its time and place, but i have loads of gauges on my car and oil pressure is not on there yet (but i have the sensor already).

if you start the car in test mode it will tell you how many psi of oil pressure when you scroll through the menu.. so it obviously reads something..

wishIhada5.0 · January 21st, 2009, 08:43 PM

what is test mode?

Eagle2000GT · January 21st, 2009, 08:58 PM

The HEC Dealer test mode is available on 99 and up Mustangs. It allows the odometer to digitally display various data such as MPH, RPM, etc. Below is a link to more information.

Instrument Test

wishIhada5.0 · January 21st, 2009, 10:50 PM

thanks.....I'll look into that

Trick Tuners · January 21st, 2009, 10:54 PM

Originally Posted by B0B

if you start the car in test mode it will tell you how many psi of oil pressure when you scroll through the menu.. so it obviously reads something..

yes it does, but its more of a hobbs switch than a pressure transducer.

January 21st, 2009, 05:43 PM	#1
Novanutcase Hardcore Enthusiast 2003 GT Join Date: Oct 2007 Location: Los Angeles, California Posts: 1,042 iTrader: 0 reviews	Oil Pressure gauge I've heard that the Oil Pressure gauge on our cars are actually just idiot lights. As long as OP is above 6 psi it registers as normal on the gauge. Is there a way to change out the sending unit so that it actually measures OP? Has anyone done a mod like this and still use the same gauge and not an aftermarket one? John __________________ SOLD - '03 GT, Max Moto Max Grip Box, Wilwood SL 6 front/DL4 rear Big Brake Kit, Corbeau Seats, MGW Short Shifter, MAC Long Tube Headers/Prochamber mid/ Flowmaster 40, FRPP 4.10, TrickFlow Diff Cover/75mm TB/Plenum, Eaton Posi, Moser 31 spl Axles

January 21st, 2009, 05:50 PM	#2
Trick Tuners MM Fanatic KB'd GT Join Date: Nov 2006 Location: San Diego Posts: 4,471 iTrader: 3 reviews	You can add an additional sending unit. But yeah, the stock is a POS. __________________ Check out my forums for stuff on troubleshooting, tuning, etc We teamed up with Socal Performance Racing to bring dyno tuning to San Diego. Be friends with us on FB

January 21st, 2009, 06:36 PM	#4
99mustanggtman Hardcore Enthusiast 1999 GT Join Date: Feb 2007 Location: Germantown, MD/ OSU Posts: 1,835 iTrader: 7 reviews	Just get an aftermarket oil press. gauge. __________________ Single 67mm turbo, ported pi heads, edelbrock vic jr. manifold w/HPP plenum, terminator shortblock, return fuel system... Goal 600+ rwhp.

January 21st, 2009, 08:43 PM	#9
wishIhada5.0 MM Fanatic 2002 GT, True Blue, Stick Join Date: Feb 2008 Location: About an hour east of Pittsburgh Posts: 3,413 iTrader: 0 reviews	what is test mode? __________________ True blue crew founder/member #1 378/442 rwhp/rwtqon a Mustang dyno looking for block busting power...cms stage 3 blower cams on the horizon..[/

January 21st, 2009, 08:58 PM	#10
Eagle2000GT MM Fanatic 2000 Mustang GT 12.73@111.36 Join Date: Aug 2007 Location: Shelbyville, IN Posts: 4,736 iTrader: 1 reviews	The HEC Dealer test mode is available on 99 and up Mustangs. It allows the odometer to digitally display various data such as MPH, RPM, etc. Below is a link to more information. Instrument Test __________________ ProCharger P-1SC, 9 psi, STD 396/383; Uncorrected 388/375; SAE 383/370 Mods list in Garage.

January 21st, 2009, 10:50 PM	#11
wishIhada5.0 MM Fanatic 2002 GT, True Blue, Stick Join Date: Feb 2008 Location: About an hour east of Pittsburgh Posts: 3,413 iTrader: 0 reviews	thanks.....I'll look into that __________________ True blue crew founder/member #1 378/442 rwhp/rwtqon a Mustang dyno looking for block busting power...cms stage 3 blower cams on the horizon..[/

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