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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

Oil pressure gauge acting weird!

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Old Feb 9, 2004 | 08:38 AM
  #1  
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martin_1962
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Question Oil pressure gauge acting weird!

The oil pressure gauge on my 2000 Ranger is acting weird.
When I crank the truck the gauge lays flat at zero, then suddenly after running a few minutes it kicks up to the proper oil pressure level. I have noticed it dropping to nothing then kicking back up to the correct pressure a few times while driving too.
Any suggestions?
 
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Old Feb 9, 2004 | 08:49 AM
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rang4wd
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Your oil pressure sending unit is not working properly. I had mine replaced at 33,000 miles. It no longer does what you are describing. My truck did the same thing as yours.
 
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Old Feb 9, 2004 | 08:54 AM
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How much does this part cost and is it hard to replace??
 
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Old Feb 9, 2004 | 10:19 AM
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rang4wd
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I didn't replace it myself. It was still under warranty, so it was covered under that. I am not sure if it is a difficult to change or not. Sorry I am not more help on that.
 
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Old Feb 9, 2004 | 10:36 AM
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I have a 94 ranger. The oil pressure gauge is acting weird on it too, except instead of dropping to zero it goes the other direction. Almost pegging high. Then it will drop back to normal. Could this be a sending unit problem also?

Btw. I'm a newbie. Hello everybody.
 
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Old Feb 9, 2004 | 03:30 PM
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They are cheap and easy to replace, sounds like a good place to start since they are a common failure.

Welcome to FTE!!!!
 
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Old Feb 9, 2004 | 06:20 PM
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Bob Ayers
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Originally posted by feedthehogs
I have a 94 ranger. The oil pressure gauge is acting weird on it too, except instead of dropping to zero it goes the other direction. Almost pegging high. Then it will drop back to normal. Could this be a sending unit problem also?

Btw. I'm a newbie. Hello everybody.
Hi feedthehogs, welcome to FTE!!!!

What engine do you have?? I don't think your problem is with the
sending unit, I think it's a problem with your oil pressure gauge,
or a bad ground on your instrument cluster. Is it only the oil
pressure gauge that pegs high???
 
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Old Feb 9, 2004 | 06:27 PM
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If it makes you feel any better I think these Ford oil sensors have been doing that for years. My 88' Ranger stays at 1/3 of the gauge for awhile and then drops down to near 0. My friends 90' Ranger is similar. Sorry, not trying to be a post *****.
 
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Old Feb 9, 2004 | 08:28 PM
  #9  
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feedthehogs
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Originally posted by Bob Ayers
Hi feedthehogs, welcome to FTE!!!!

What engine do you have?? I don't think your problem is with the
sending unit, I think it's a problem with your oil pressure gauge,
or a bad ground on your instrument cluster. Is it only the oil
pressure gauge that pegs high???
Engine is the 2.3 liter 4 banger. The oil pressure gauge is the only one acting screwie. It's been doing it about a year. I keep a close eye on the oil level and it's always OK.
 
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Old Feb 9, 2004 | 11:45 PM
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hreed
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From: Homer, Alaska
Replace the sending unit. It's cheap and easy.
 
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