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I have a renault/ mack truck with a MIDS 06.20.30 engine. I
Hi. I have a renault/ mack truck with a MIDS 06.20.30 engine. I have oil in the coolant. Heads have been tested and reassembled with new gaskets. The oil cooler has been pressure tested and water pump… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Have 05 mack vision 427 engine i m loosing power dont have
Have 05 mack vision 427 engine i m loosing power dont have top end pulling power put new turbo on running atleast 30 lbs boost didnt fix it put new nozzles on 3 tested bad so didnt check other 3 just … read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,790 satisfied customers
I have a cummins N14 plus. I have some fuel mixed with my
I have a cummins N14 plus. I have some fuel mixed with my coolant. My question, can I replace the injector cups with the head on the engine, or do I have to remove the heads?… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I got a 2017 mack mp8 445 and i have a fault code SPN 5357
Hi i got a 2017 mack mp8 445 and i have a fault code SPN 5357 FMI17 it says fuel injection quiantaty error for multiple cylinders … read more
Mike
Mike
Shop Foreman/Triage Tech
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2,790 satisfied customers
I have a cat bxs that has a flutter or miss or something but
I have a cat bxs that has a flutter or miss or something but doesn't do it all the time. I had the fuel pressure regulator changed it ran ok for awhile but is back to its old tricks. Runs great when y… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
Have a 2011 mack with a mp8 engine whining sound from engine
Have a 2011 mack with a mp8 engine whining sound from engine at 25psi of turbo boost then it shoots up to 38psi of boost … read more
Mike
Mike
Shop Foreman/Triage Tech
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Engine shakes at idle no codes present! Just put in lol six
Engine shakes at idle no codes present! Just put in lol six reman injectors for reason because tech said injectors not working properly and after installing injectors nothing improved! Attached is the… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Having problems with a 2014 mack MP8. Truck seems to buck or
Having problems with a 2014 mack MP8. Truck seems to buck or shudder around 1400 rpm. Seems to be more of an issue when cool in the morning. Truck is starting fine. Injectors were updated with stainle… read more
Mike
Mike
Shop Foreman/Triage Tech
Associates
2,790 satisfied customers
I have a isx engine that has a cylinder misfire every so
I have a isx engine that has a cylinder misfire every so often. when doing a cutout test the cylinder selected (4,5,or 6) they cutout fine and when brought back in the engine will have a different mis… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I just bought am 08 Mack with the MP7 engine this past
Hello, I just bought am 08 Mack with the MP7 engine this past Saturday. Drove it for about two hours and noticed that it started losing power and acted like it was starved for fuel. Put more fuel in i… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Here have2010 isx cummins smoking black smoke excessively
hi jeff here have2010 isx cummins smoking black smoke excessively under acceleration just install ed new cylinder head have double checked wedge and pin timing turbo actuator… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have a 3406e engine and i'm getting oil in my water and
Customer: ***** ***** i have a 3406e engine and i'm getting oil in my water and water in my exhaust … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have cummins isc 2009 With dpf It's building very
Hello I have cummins isc 2009 With dpf It's building very excessive blow by even blowing engine oil through blow by What could cause that??… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a 04 Mack that has a low power issue. We checked the
I have a 04 Mack that has a low power issue. We checked the intake system and found the cac leaking. replaced and same issue. the idle up seems really slow to me took 4.5 seconds on a stop watch to go… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Buddy just did inframe on detroit 60 engine, everything seems
Buddy just did inframe on detroit 60 engine, everything seems fine ,with horse power .Noticed small to medium amount of blowby(if this makes sense). Noticed oil leaking from flex exhaust pipe just rea… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Hi TimL have aproblem with a mack Qauntum 2002 model reco
Hi Tim L have aproblem with a mack Qauntum 2002 model reco radiator new water pump flushed system new thermo- Not in yet,have a problem with coolant circulating around the engine block,can you please … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Hey DanWe've got a 2004 Mack with an AC460 engine that seems to
Hey Dan We've got a 2004 Mack with an AC460 engine that seems to be having boost problems of some sort. The Mack won't get above 55 while pulling a load and just seems to have no power, despite the fa… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
We have replaced a head gasket on 2007 Fuso 4.9 diesel turbo
We have replaced a head gasket on 2007 Fuso 4.9 diesel turbo and are having trouble with valve adjustment. Please help with specs and adjusting sequence. Do not have this info. We were able to get hea… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
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Meet the Experts:

Daniel Wilson

Daniel Wilson

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cumminsdr

cumminsdr

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Chris (aka-Moose)

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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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