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  #1  
Old 12-06-2012, 08:38 PM
kukaepe kukaepe is offline
Learning to use the forums
 
Join Date: Sep 2011
Posts: 6
Default Oil pressure gauge flickering at idle

I have experienced the oil pressure gauge flickering or bouncing from high to low at idle on freeway off ramps. Seems to happen when traveling for 15-20 minutes at around 2500 rpm, exiting the freeway and at the stop at the end of the off ramp the gauge bounces all over the place and makes noise. I replaced the oil pressure switch as recommended on these forums and it only fixed it for a week or so and then started again. I purchased a "superseded" genuine Ford switch #6U5Z-9278-D (SW-6357), the parts guy said that it was a "5 psi" switch. This cured the problem, I hope this helps someone else with this same annoying issue.
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Old 12-10-2012, 03:09 AM
LargeR LargeR is offline
Arizona 2wd Ranger
 
Join Date: Nov 2012
Posts: 167
Default Re: Oil pressure gauge flickering at idle

First things, how many miles on your truck? What kind of oil and filter are you using and when was it changed last? I did the dummy oil gauge mod here http://rogueperformance.com/oilsw.html and have been very happy with the results.
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Rick Large
Mesa AZ
'99 Ex-Ranger 2wd XLT 5.0, Explorer V8 and auto transmission swap, floor shifter from Nissan Altima Parts, aluminum radiator & electric fan, OBX headers, 3" custom exhaust, explorer roof rack, 2006 mirrors, cut front 60/40 seat to buckets, 4 in lift spindles up front and shackles in back
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Old 12-11-2012, 01:11 PM
Cyanide93 Cyanide93 is offline
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Join Date: Mar 2010
Posts: 17
Default Re: Oil pressure gauge flickering at idle

Had the exact same problem. Check your oil level. Mine was low, fixed the issue.
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