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Related Medium and Heavy Trucks Questions
Would the oil pressure effect the Engine Brake (Jake Brake)?
Would the oil pressure effect the Engine Brake (Jake Brake)? … read more
Mike Mcmillan
Mike Mcmillan
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I have an ISX 870 SEN 79227481 oil pressure at the sensor is
I have an ISX 870 SEN 79227481 oil pressure at the sensor is 10 psi when warm and 20 psi at the oil filter housing. Has new oil pump and rod and main bearings. When start up cold oil pressure is 30 ps… read more
Mike Mcmillan
Mike Mcmillan
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2012 International maxforce DT466 CODE 164FMI-1 (Changed all
2012 International maxforce DT466 CODE 164FMI-1 (Changed all the mechanical parts, but there is an electrical issue that i cannot seem to figure out and the code doens't seem to dissapear it might be … read more
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Mike Mcmillan
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I have a 2009 detroit 14l. suddenly low oil pressure. like
Hello, I have a 2009 detroit 14l. suddenly low oil pressure. like 10-15 lbs at idle. just under 25 at 14-1500 rpm. buzzers go off. if I back off throttle and breing motor down to 10 to 1100 rpm light … read more
Expert
Expert
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O8 pete, cummins isx 15, oil pressure issues. 756422 last
Hello JA: Hi. How can I help? Customer: O8 pete, cummins isx 15, oil pressure issues. JA: What is the complete model and serial number of your machine? Customer: 756422 last six of vin JA: Are you fix… read more
Mike Mcmillan
Mike Mcmillan
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I have had a low oil pressure problem for awhile. Comes and
comes and goes now thick shit off while idling and I can't get any pressure at all … read more
Mike Mcmillan
Mike Mcmillan
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I Have a 99 6500 3126b changed the oil and filter and the
I Have a 99 6500 3126b changed the oil and filter and the fuel filters . now it will not hardly pull its self. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a cummins M11 Celect plus ser # 34873979. Mfr date of
I have a cummins M11 Celect plus ser # 34873979. Mfr date of 1997. 463356 on the miles. Having oil pressure issue. Crank truck and oil pressure will at idle go to 40psi and very quickly come down to 2… read more
Jeremy
Jeremy
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Associate Degree
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C12 on the oil filter housing has oil pressure valves. 2 on
C12 on the oil filter housing has oil pressure valves. 2 on side of housing and 1 on the top. What do these do?… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I have an 07 International with a DT466 with a high oil
Hi I have an 07 International with a DT466 with a high oil pressure problem, at idle is normal but if you go to full fuel it will stay between 565 and 625 psi, If you let off it will spike to around 1… read more
Wayne
Wayne
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I recently purchased a 1999 sterling truck with an 8.3 cummins
I recently purchased a 1999 sterling truck with an 8.3 cummins diesel engine. We had to install a new fuel injection pump and when we initially started the engine we had no oil pressure. We installed … read more
Jeremy
Jeremy
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We have a Cat C15 2007 non regin motor that has good oil pressure
We have a Cat C15 2007 non regin motor that has good oil pressure once cranked but within 15 minutes it drops oil pressure. We have put new orings on the injectors and dropped the pan and bottom beari… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have 150,000 on a overhaul Mi problem is wen the
I have 150,000 on a overhaul Mi problem is wen the truck is runing @70 miles oil pressure is 70 to 80 but wen I stop the oil pressure drops @23 before the overhaul would be @ 30 no less now it would o… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a cummins isx 15; engine serial number #79447927; 2013
I have a cummins isx 15; engine serial number #79447927; 2013 Kenworth We are trying to change the gear fuel pump. We are unable to get it to bolt up to the high pressure fuel pump. It seems to be ins… read more
cumminsdr
cumminsdr
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High School or GED
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2005 International 4300 DT466, we have a lower power issue.
2005 International 4300 DT466, we have a lower power issue. Slight hesitation when tapping the pedal at start off and low power when running on the road. Truck starts easy, idles fine, icon pressure i… read more
Wayne
Wayne
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Cat engine 3406E, low oil pres,hot over the road at 1300-1400
Cat engine 3406E, low oil pres,hot over the road at 1300-1400 rpm rise to 54-55 in iddle only 30 psi In the morning cold the oil psi rise to 70 psi.one year rod bearing,no change oil pump.this engine … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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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
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure
I have a 1995 Peterbilt with a 3406E Cat in it. fuel pressure is running 70-75 psi at idle and 95-100 psi under load going down the highway. pressure will randomly drop to 45-50 psi when shifting thro… read more
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Cat Man
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

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

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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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