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2014 prostar problems with oil pressure and abs module

Discussion in 'International Forum' started by Demonrogue, Oct 20, 2016.

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dom14 Light Load Member

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The oil is fine I just noticed it was a little low on psi but now I know it's just a low psi engine no lights or problems

Heavyd said: ↑

Those specs are straight from the ISX CM871 service manual. See 20 psi all the time. 1/2 the trucks out there would be shutting down. Did your truck have idle shutdown maybe?
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dom14, Oct 23, 2016

#11
me myself and I Heavy Load Member

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Demonrogue said: ↑

It goes up to 60 when cold and dropsto 40 psi once warm but if I am stuck in traffic or when I stop for fuel or 30 min break it drops to just above 20 psi
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My point was that it would have taken you less time to look up what's oil pressure should be, then to post here complaining that it's low.

me myself and I, Oct 23, 2016

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no love for a trucker Light Load Member

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Me Myself and I why are you being rude. Brother it's no need either you give a positive comment or just move on.

no love for a trucker, Oct 23, 2016

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me myself and I Heavy Load Member

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no love for a trucker said: ↑

Me Myself and I why are you being rude. Brother it's no need either you give a positive comment or just move on.
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Rude? Dud took it to the shop over it, then he posts a question here. It takes less than a minute to find an answer.
Positive comments? I prefer honest answer. But if you're A for an effort, ribbon for participation type of guy have at it.

me myself and I, Nov 2, 2016

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Lstrucking Bobtail Member

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tucker said: ↑

I used to drive a 2010 Prostar with a Cummins and after about18,000 miles the oil filter always got full of soot and I had to have it changed.
The company would change the oil every 30,000 miles and I always had to have 2 oil filters changed in between.
And on that truck when the oil pressure got down to 20 it would shut down
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tucker said: ↑

I used to drive a 2010 Prostar with a Cummins and after about18,000 miles the oil filter always got full of soot and I had to have it changed.
The company would change the oil every 30,000 miles and I always had to have 2 oil filters changed in between.
And on that truck when the oil pressure got down to 20 it would shut down
Click to expand...

Lstrucking, Jun 27, 2017

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Sumeet4682 Bobtail Member

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Demonrogue said: ↑

I drive a 2014 prostar with Cummins engine and I been having low oil pressure around 21 psi when the engine is fully warm but when the engine is cold i get 40 psi. I have put in 2 gallons of oil thinking I had let the oil get to low which caused the low oil pressure. Even when my truck had it's oil changed and after driving about 6 hours or so the oil psi drops below 40 psi. Then I also started having abs module warning light(tractor only) come on with a upside down triangle which will disappear if I let the tractor rest for a few mins .

I have already taken the truck to the dealership twice already. First dealership said the truck was low on oil but didn't tell me anything about the abs module warning light. Second dealership only spent a few hours working on it but didn't really do anything as the oil pressure is still going low below 40 psi and the abs module warning light still comes on once in a while when i am usually stuck in heavy traffic but this morning it came on then disappear when I let the truck sit to go inside the truck stop for coffee or breakfast.

Any ideas what could be causing these problems as I haven't seen any oil leaks or the truck burning oil and when the engine is warm the oil dipstick shows the oil level near full But showing empty with the engine cold and after adding two gallons of oil.

Should a truck be losing nearly 2 to 4 gallons of oil a week after a oil change?
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Hi, my international truck has exact same problem. When it’s stuck in traffic or moving very slowly it shuts down. The oil pressure is slightly less than 20psi normally when it happens. That inverted triangle light-ABS maybe-shows up and it starts beeping.
Then we have to wait 5-10 minutes and then it starts again and doesn’t creates problem until it is moving very slowly in traffic again.
My mechanics can’t diagnose this issue. Please let me know if you got it correctly diagnosed.
The truck drives good has has more than 40psi while driving.
Thanks in advance.

Sumeet4682, Oct 18, 2017

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Sumeet4682 Bobtail Member

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Heavyd said: ↑

20 psi is normal. Worry about it when it is under 15 psi. Warning doesn't happen until 8 psi. Cummins uses low pressure but high flow. Nothing to worry about. ABS is logging a code. Need to know what the code is. Usually right front wheel speed sensor. ABS will also turn on the triangle and Traction control light too sometimes since the ABS communicates with the engine.
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Hi, my international truck has exact same problem. When it’s stuck in traffic or moving very slowly it shuts down. The oil pressure is slightly less than 20psi normally when this happens-That inverted triangle light-ABS maybe-shows up and it starts beeping.
Then I have to wait 5-10 minutes and then it starts again and doesn’t creates any problem until it is moving very slowly in traffic again.
My mechanics can’t diagnose this issue. Please let me know if you got it correctly diagnosed.
The truck drives good has has more than 40psi while driving. Temperatures are never very high in this process.
Thanks in advance.

Sumeet4682, Nov 27, 2017

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Sumeet4682 Bobtail Member

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Guest said: ↑

Hi, my international truck has exact same problem. When it’s stuck in traffic or moving very slowly it shuts down. The oil pressure is slightly less than 20psi normally when this happens-That inverted triangle light-ABS maybe-shows up and it starts beeping.
Then I have to wait 5-10 minutes and then it starts again and doesn’t creates any problem until it is moving very slowly in traffic again.
My mechanics can’t diagnose this issue. Please let me know if you got it correctly diagnosed.
The truck drives good has has more than 40psi while driving. Temperatures are never very high in this process.
Thanks in advance.
Click to expand...

Engine is Prostar -2013

Sumeet4682, Nov 27, 2017

#19
Heavyd Road Train Member

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So you have a maxxforce engine? What codes are getting logged?

Heavyd, Nov 27, 2017

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Sumeet4682 Bobtail Member

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Heavyd said: ↑

So you have a maxxforce engine? What codes are getting logged?
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There are no codes visible as it happens on road and starts back in 5 minutes after waiting on the road.
Dealersship say said they dnt have a code when they check.
Only ABS inverted triangle light comes on and goes after 5 minutes and its good to go again.
Somebody told me it might be clogged fuel filter.

Sumeet4682, Nov 27, 2017

#20

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