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Old 12-19-2012, 05:12 PM
MaDDMike740 MaDDMike740 is offline
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Join Date: Feb 2011
Posts: 99
Question Oil pressure gauge bounces...

So 3 days ago I started driving and happened to notice my oil gauge was at zero and i was like WTF! I got scared and pulled into the gas station payed for gas come back out after a few minutes checked my oil and it was a little low maybe half quart nothing major so I added about that much started it up and the gauge was up like normal. So today same thing, I leave work and oil pressure was all the way down then it would flick up instantly then drop down again then a few minutes later be normal then drop again instantly. Then it started going up was about 1/4 way for a few miles then was normal pressure after the engine warmed up. Checked my oil when I got home it was fine. Nice and clean too I just changed it about a month ago.

Is there a plug somewhere I need to wiggle or something? Bad pressure sensor?

2000 Ford Ranger XLT 2WD 2.5
168,000 miles
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Old 12-19-2012, 06:14 PM
rkevs rkevs is offline
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Join Date: Jul 2012
Posts: 24
Default Re: Oil pressure gauge bounces...

does yours show a real pressure or just low to high, my 93 2.3 did the same thing I replaced the sensor and got the same thing so I put in a "T" and installed a real pressure guage so know I know what the pressure is in psi
1993 Ranger, 2.3, ?50xxx miles, 2 wheel drive
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Old 12-19-2012, 08:28 PM
sgtsandman sgtsandman is offline
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Join Date: Mar 2010
Posts: 3,078
Default Re: Oil pressure gauge bounces...

He has the same engine I do. It is basically an idiot light with a needle. There is no real time pressure reading.
Sgtsandman's Work in Progress
2011 Ranger XLT, 4X4, 4 door Super Cab. 4.0L, 5 Speed M50D-R1HD, 3.73:1, 8.8" open differential, Jason Pace cap
1999 Honda CR-V EX, RT4WD, 2.0L, 5 Speed MT, 4.56:1, open differential
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Old 02-02-2013, 05:58 PM
cajunboy62 cajunboy62 is offline
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Join Date: Jan 2013
Posts: 7
Default Re: Oil pressure gauge bounces...

Change pressure switch, mine used to do the same thing. All better now.
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