12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Oil pressure sensor location

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Old 03-28-2011, 08:04 PM
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Default Oil pressure sensor location

My oil pressure gauge and light currently do not work and havn't since purchase, I want to sort this out as it makes me paranoid knowing i wont get any warning if pressure suddeny drops. I've had a bit of a look around the motor and can't locate the oil pressure switch/sender unit could someone please tell me where it is so i can test it and the gauge
 
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Old 03-28-2011, 08:29 PM
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i have a 98 an it was on the driver side about mid way of the motor its kinda tricky to get to but i could see it through the fender wall between the shock tower an inner fender. i personally went through about 4 sensors before i got ont to work. i also put a mechanical gauge on for peace of mind
 
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Old 03-30-2011, 05:26 PM
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it right under the back of the IP on the side of the block
 
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Old 03-30-2011, 07:47 PM
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Interesting, I have a spare plug hanging around that area, but also some connected, it seemsot have no spare counterpart hanging about...Strange, will investigate further soon.
 
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Old 04-01-2011, 03:57 PM
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Is it just a small plug in the block? The thing i've been looking at so far is part of the lift pump I think .
 
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Old 04-01-2011, 04:40 PM
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its close to it but i little further towards the front of the motor
 
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Old 04-01-2011, 09:11 PM
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Just hope your senser is not bad, mine is and dodge wants 386$
 
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Old 04-02-2011, 10:50 AM
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The oil pressure sensor is like $20 at autozone. Bought mine last month there. It's a PITA to change but doable.
 
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Old 04-02-2011, 06:16 PM
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Can someone take a picture? As i'm having real trouble finding it, Huge motor but still hard to get at!
 
  #10  
Old 04-02-2011, 08:19 PM
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autozone and napa are good places to buy one but i went threw three of them before i got one to work
 

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