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C13 cat running low oil pressure at idle, I checked the
C13 cat running low oil pressure at idle, I checked the pressure with a manual gauge it reads normal, but there's an 8 psi deference between the the manual gauge and the ecm. … read more
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Justin
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I have a 2006 International 4300 DT466 and I have 3 codes
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I have a 3126 ECM that is sending desired Inj Act pressure
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Cat Man
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Low oil pressure when running. I just rebuilt my Cummins isx
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Low oil pressure when running. I just rebuilt my Cummins isx
Low oil pressure when running. I just rebuilt my Cummins isx 435 sp … read more
Daniel Wilson
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I have a Cat 3126 in a Freightliner truck with 350,000 miles
I have a Cat 3126 in a Freightliner truck with 350,000 miles on the clock. I think I have a bad HEUI pump but I'am not sure how to test it. Also, while cranking the truck [it wont start] I'm noticing … read more
Cat Man
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C-7 cat low oil pressure, has 20 lbs on cold crank, 10 psi
c-7 cat low oil pressure, has 20 lbs on cold crank, 10 psi warm, new oil pump main rod barings, new injectors, new injection control pressure sensor, new bypass in filter housing, all with no change t… read more
Cat Man
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2002 KW T2000 N14 cummins what are the common symptoms when
2002 KW T2000 N14 cummins what are the common symptoms when oil pump start failing,, is that like one time is done or off and on failure… read more
cumminsdr
cumminsdr
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2001 n14 have low oil pressure has new main and rod bearing
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cumminsdr
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I am having problems with a cat engine C15. It was
I am having problems with a cat engine C15. It was working good and in a while it gives low oil pressure. oil and oil filter is new. I have check oil level and is good. what can be the problem?… read more
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I have a n14 cummins with 527000 miles the truck roled on the passenger side. I change the
I have a n14 cummins with 527000 miles the truck roled on the passenger side. I change the main and rods, cam bearings, oil coolant nozzles, and oil pump. Before role over truck was idling at 40 psi c… read more
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Im working on a 2006 T800 Kenworth with a ISX Cummins engine
I'm working on a 2006 T800 Kenworth with a ISX Cummins engine in it, the problem is the oil pressure is low, when you first start it the pressure is about 45, if you rev it up it doesn't really go up … read more
spankyjr1
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I have a 2007 Peterbilt 387 with a C 15 Cat engine. I noticed
I have a 2007 Peterbilt 387 with a C 15 Cat engine. I noticed my oil pressure was 20 lbs lower than normal. I thought the filter waa plugged so I had an oil change done. I let my truck sit off for an … read more
Cat Man
Cat Man
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I have a 2005 VT365. The oil pressure hovers at 19 PSI when
I have a 2005 VT365. The oil pressure hovers at 19 PSI when in idle and it sounds rough. When driving the oil pressure hovers in a good range. When I restarted the truck after about 15 min of highway … read more
Cat Man
Cat Man
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Hi -- we had an 03 Volvo w/ ISX 500 come in recently for oil
Hi -- we had an 03 Volvo w/ ISX 500 come in recently for oil in the coolant tank. Replaced both oil cooler cores, and flushed the cooling system using Dawn dishwashing soap final 2 flushes were with p… read more
cumminsdr
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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