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  #1  
Old 02-06-2012, 05:20 PM
stuck stuck is offline
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Default Oil pressure drops

Once my truck gets up to temperature and I stop or let off the gas peddle the oil pressure gauge drops to zero. Even does it on highway if i let off gas. Seems to be rpm related, at idle if i tap the gas the gauge goes back to normal. Took it in to get checked and of course they could not replicate problem to get a code. Changed oil and filter twice. Switched out oil pressure sensor still happens. No engine noises.

Has anybody had this happen and waht was the fix?
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Old 02-07-2012, 01:11 AM
Tommycat Tommycat is offline
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Sounds like either low oil, or oil pick up being plugged. Did you check the dip stick just to make sure you aren't a quart or two low? I know it sounds like a silly question with what you've had done already, but just double check.
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Old 02-07-2012, 08:14 PM
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What is your oil change interval and what weight oil are you using? Also what filter?
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Old 02-12-2012, 01:13 PM
stuck stuck is offline
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5w 30 have tried a mobil 1 filter and a fram
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Old 02-12-2012, 01:18 PM
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also i change oil every 3000-4000 miles
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Old 02-19-2012, 01:28 PM
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Angry Ol pressure

I recently changed out my 4.7 in my 02 Ram with a Powertrain Products engine. My old engines pressure would drop to zero at stop lights also. I went straight to the oil pick up screen when I pulled the engine. It was pretty clean(which was a suprise}.
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Old 02-25-2012, 12:41 PM
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had same problem replaced the sensor and fixed it
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Old 04-14-2012, 09:36 PM
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Default sensor changed out again

Finally got this thing fixed took it in to have it checked again pressure tested fine and replaced the sensor again. This time it fixed the problem.
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Old 04-15-2012, 05:44 PM
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good to hear...my 5.9 did it too...it was the sensor...sounds like you had a faulty one firt time around...which unfortunately is pretty common...
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