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Discussion Starter · #1 ·
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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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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Discussion Starter · #8 ·
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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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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