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2005 Mustang GT cold start, Oil Pressure gauge reporting 0

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2005 Mustang GT cold start, Oil Pressure gauge reporting 0

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Old 04-01-2011, 07:27 AM
  #11  
Nuke
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The 05's and '06s seem to be more notorious for stepper motor issues. So, for the OP's sake, research stepper motors. You can get them cheap on ebay if you're up to the task of DIY.
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Old 04-01-2011, 08:52 AM
  #12  
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Originally Posted by AzPete View Post
Try this....just seconds after a cold start...gauge reads "0"....shut car off and restart....does it still read "0?" Sounds like more of a computer issue....not reading the signal properly.

Try setting up an temporary/alternate light from the factory sender and see if it is putting out a good signal when the gauge reads 0. If that works, you know the sender is doing its job...even if previously replaced. Then, track the signal as to where it goes and take readings at any plug it travels thru. Check the wire in and out of the computer....see if the signal is getting thru there. Just keep checking wires and at some point, you will come across the problem.

As with any sporadic problem, you may have to leave a tester/light hooked into the wires to see the reading when it acts up next.

I would suggest you get into a wiring schematic to track this down.
ok will do
problem is it's warming up here so not it's not going to happen...
this may have to be shelved until next winter.
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Old 04-01-2011, 08:57 AM
  #13  
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Originally Posted by 2005Redfire6 View Post
I believe it's your stepper motor within that specific gauge. I had the same issue with my fuel gauge when it was cold then once it was warmer it would work most of the time. I'm banking on a bad stepper motor.
This also makes sense>
i posted the URL to the thread in the how to rebuild teh cluster from another user here but i'm nowhere near that technical or patient to do that.

i'm debating if it's worth just paying the $500.00 for a new cluster but at the end of the day it's just 1 gauge and it's very sporadic and only when cold.

I can spend that money on mods to! looking at a header/x pipe combo and was thinking of drving down to Brenspeed on a road trip to get it done.

if the cluster starts failing all the time or if i have the car long enough I may swap out the cluster if it's the actual stepper motor's failing. I just want to make sure that's the issue before i go swap clusters..
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Old 04-01-2011, 08:59 AM
  #14  
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Originally Posted by Nuke View Post
The 05's and '06s seem to be more notorious for stepper motor issues. So, for the OP's sake, research stepper motors. You can get them cheap on ebay if you're up to the task of DIY.
like this procedure:
https://mustangforums.com/forum/2005...r-cluster.html

i don't have the patience or skill for that.

anyone in the Toronto area wanna do it for me,
I'll pay, obviously, just don't wanan get robbed at mechanic hourly rates.
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Old 04-13-2011, 02:12 PM
  #15  
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thanks all for the help but because it's a lot warmer in Toronto this hasn't happened since. so i'll have to hunt down this electrical gremlin next fall / winter.
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Old 04-07-2013, 10:08 AM
  #16  
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Unhappy Oil pressure

Ok guys I need some help, my 2005 mustang GT oil pressure won't stay up. I checked the oil and it reads on my dipstick, so I tried starting it and it starts, oil pressure regulates then drops and my car dies!! Please help me, I'm new to cars so please don't comment rudely or inappropriately. Thanks.
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Old 04-07-2013, 12:28 PM
  #17  
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My 05 gt is doing basically the same thing, yet after it starts my oil pressure drops and car dies.. Any suggestions?
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