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12-11-2017, 10:35 AM
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#1
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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2001 24V oil pressure fluctuation at idle
Guys,
My truck seems to be having some problem with oil pressure. For some reason this morning at a stop light my oil gauge was reading 0. once I start accelerating the pressure is back to 40PSI or higher but the moment I get off the throttle and start idling at a stop sign the pressure drops down to 0 again. Normally the truck reads 40psi at idle. This is the first time this has happened. I parked the truck since I did not want to risk killing the motor.
I had my motor out of the truck and I replaced the rear main seal and the front crank seal and reinstalled the motor. The truck has new rotella 15W-40 oil and a new filter.
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12-11-2017, 10:50 AM
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#2
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Name: biggy238
Title: Too Much Time
Status: Not Here
Join Date: Aug 2008
Location: Just North of Wrong
Member`s Gallery
Posts: 10,819
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This is the OEM side showing this or an aftermarket gauge?
If it's the dodge side I would suspect the sender.
Sent from my XT1575 using Tapatalk
__________________
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05.5 Campanella White TDi Jetta 5spd 45.5MPG
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12-11-2017, 11:00 AM
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#3
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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Quote:
Originally Posted by biggy238
This is the OEM side showing this or an aftermarket gauge?
If it's the dodge side I would suspect the sender.
Sent from my XT1575 using Tapatalk
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OEM in dash gauge cluster is showing the fluctuation.
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12-11-2017, 11:25 AM
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#4
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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This is exactly what is happening:
Dodge Ram Cummins 12 valve Crazy Oil Pressure pt. 2 - YouTube
I read the responses for this video and "Thedieselshop" responded saying there is a wire going to the fuse box that causes this issue. Ill see what I can find this evening.
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12-11-2017, 11:56 AM
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#5
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Name: jlbayes
Title: Too Much Time
Status: Not Here
Join Date: Mar 2011
Location: michigan
Member`s Gallery
Posts: 2,399
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2001 is just a switch. It is not a true sensor. I would suggest confirming pressure with a mechanical gauge. No codes for the oil pressure?
__________________
Jacob, 97 rclb
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12-11-2017, 12:30 PM
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#6
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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Quote:
Originally Posted by jlbayes
2001 is just a switch. It is not a true sensor. I would suggest confirming pressure with a mechanical gauge. No codes for the oil pressure?
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Don't know yet. This happened this morning and I had to get to work. Ill check for codes this evening once I get home. The truck did not sound weird or run rough. I think my Quadzilla has a oil sensor on the oil filer housing. Ill check that this evening as well.
Also I loaded some new adr 3000 on my quadzilla adrenaline this weekend. Hopefully that has nothing to do with this.
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12-11-2017, 06:15 PM
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#7
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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Well i got home and i dont see any engine codes. I dont have a mechanical pressure gauge but i cracked the little fitting on top of the oil filter housing and started the engine for a second or 2. Oil came out shooting out of the lose fitting. Im ordering a mechanical oil pressure gauge this evening and will get it installed asap.
I removed the electrical connector on the back of the sending unit under the ECU and cleaned both ends with electric parts cleaner and reattached them.
Still having the same problem with the oil pressure gauge fluctuating between 0 and 40psi just line in that video.
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12-11-2017, 08:32 PM
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#8
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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Well i was able to buy a mechanical gauge from Advanced auto parts. Im getting 35~40psi at idle and around 80psi at 2000rpm. Does that sound right?
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12-12-2017, 08:16 AM
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#9
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Name: Justappumped24v
Title: Too Much Time
Status: Not Here
Join Date: Feb 2016
Location: Illinois
Member`s Gallery
Posts: 1,311
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Quote:
Originally Posted by logan1
Well i was able to buy a mechanical gauge from Advanced auto parts. Im getting 35~40psi at idle and around 80psi at 2000rpm. Does that sound right?
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Yep you are good
__________________
05 QCSB24v HTD 6.8L, DDP fueling PDD shifted
2011 MCSB 6.7, built 68rfe
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12-12-2017, 08:53 AM
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#10
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Name: jlbayes
Title: Too Much Time
Status: Not Here
Join Date: Mar 2011
Location: michigan
Member`s Gallery
Posts: 2,399
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Yes that sounds perfect.
__________________
Jacob, 97 rclb
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12-12-2017, 08:56 AM
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#11
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Name: Mark Nixon
Title: No Savior among the flesh
Status: Not Here
Join Date: Feb 2009
Location: Brownville, Nebraska
Member`s Gallery
Posts: 8,676
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I was happy with 30/50.
So was the 12 valve.
Mark.
__________________
If you or I did business like the PEOPLE in government do business, we'd be put in jail. Government is coercive.
Anarchy: The state of existence where there are no masters & no slaves. Therefore, Anarchy means the ABSENCE OF SLAVERY, or, in other words, FREEDOM.
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12-12-2017, 09:03 AM
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#12
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Name: logan1
Title: Green Behind the Ears
Status: Not Here
Join Date: Aug 2017
Member`s Gallery
Posts: 66
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awesome thanks a bunch for the help guys.
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12-13-2017, 03:59 PM
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#13
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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mechanical gauges all the way!
__________________
07' Silver 2500 5.9 4x4 LWB
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