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Old July 8th, 2009, 02:20 PM   #1
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Default 96 Ram 5.2 Oil Pressure Gauge Flickering!

I have a 96 Ram 1500 5.2 318. Lately it has started giving me Problems. I just replaced the crankshaft position sensor because of code problems, but my oil pressure gauge is still being weird when at idle or whem rpms are slowed, it will go way down and flicker! If anyone knows why or if i have a problem please let me know!
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Old July 8th, 2009, 02:55 PM   #2
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Sensor going bad.
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Old July 8th, 2009, 06:04 PM   #3
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Yep, it is a dummy sensor. It basically shows full pressure or no pressure. It doesn't actually show real pressure. Replace the oil pressure sending unit and you should be good to go.
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Old July 21st, 2009, 04:20 PM   #4
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I have the same truck, that suffered the same affliction and the oil pick up tube was plugged. Mechanic friend told me it is a very common problem for this motor (a friend of mine w/a 98 also had the same thing).
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Old July 22nd, 2009, 07:03 PM   #5
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Default Problems!

Where is the oil pick-up tube, and how do i fix it? Also, awhile back my truck cut out going down the interstate and threw a CAMSHAFT POSITION SENSOR CODE, I replaced the crank position sensor because thats what the guys at the parts store said. the truck ran for awhile but just today it did the same thing! If its not the sensor i replaced what could it be? Any help is appreciated!!
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Old July 22nd, 2009, 08:35 PM   #6
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I didn't do the work myself. It was winter and I hate cold. You have to drop the pan and I understand there is a screen that will collect carbon that flakes off from the intake (the oil apparently gets cooked there) and drops to the pan where it's sucked up. You should be able to shut the motor off and continue (Temporarily) after the truck sits a while.
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Old July 27th, 2009, 07:39 PM   #7
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Check out my similar thread at http://www.greatlakes4x4.com/showthread.php?t=142974

I just replaced the stock sending unit, for doing the same thing, and tied in a mechanical gauge as well. Flicker at idle (stopped) did not go away.

I'm going to drop the oil pan and see about changing the oil pump. I'll check the pan for clogs, as mentioned.

Greg :)
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Old July 29th, 2009, 01:41 PM   #8
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Yesterday, I flushed the 318 engine in the folks' RV, with GUNK-brand engine flush and then did an oil change to 20W50 Valvoline Max Life. We're now running 15-16 PSI at idle, when stopped, once the engine is fully warmed up. No more idiot light coming on. Cruising RPMs has 45-60 PSI oil pressure, once warmed up, depending on RPMs.

This is exactly what I did on the AMC 360 in my Grand Wagoneer, 5 years ago, when it was running 7 PSI at idle warmed up. Got it up to 12 PSI and ran it for about 15,000 miles with 20W50 (Amsoil)
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