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Working on a 2015 mack pinnacle with a mp8 engine. the
working on a 2015 mack pinnacle with a mp8 engine. the problem im having is it seems that the fuel seems to be loosing pressure when it sits so i have to crank it a while before it wil start. is there… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
2013 pinnacle mp8 mack with 315000 miles on it runs for 30
2013 pinnacle mp8 mack with 315000 miles on it runs for 30 miles ish and then starts missing you can shut it off wait appx 15 minutes it will run great for another 20 miles and then back to the missin… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
2012 international terrastar 6.4 max force Cranks no start
2012 international terrastar 6.4 max force Cranks no start spray with ether fired right up and starts all day until u let it sit for awhile then back to using the ether runs fine no codes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,013 satisfied customers
2013 mack mp8 no fault codes shudders under accelerating or
2013 mack mp8 no fault codes shudders under accelerating or working hard … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
Mack 2012 ran out of diesel. Pinnacle 2012 mack. I fulled up
Mack 2012 ran out of diesel JA: What's the make/model/year of your truck? Engine type? Customer: Pinnacle 2012 mack JA: Are you fixing your truck yourself? What have you tried so far? Customer: I full… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
626 satisfied customers
How does the injectors work on the new common rail system
How does the injectors work on the new common rail system for the MP8 Mack engine … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
Engine shutting off code spn 94 low fiel pressure. It shuts
it shuts off i wait 1minute fires up i go to move truck half blocock she will start sputtering fuel pressure drops i have laptop jpro hooked up … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,013 satisfied customers
2014 mack Pinnacle MP8 engine truck cranks over but will not
2014 mack Pinnacle MP8 engine truck cranks over but will not start unless the throttle pedal is quickly pumped, and it still takes several attempts.truck will start normally if running, shut down and … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
2012 mp8 cranks fine cold start hot low power code pdi 94
2012 mp8 cranks fine cold long start hot low power code pdi 94 fmi 7 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
I have a 2012 Mack Pinnacle with an mp8 engine and mdrive
I have a 2012 Mack Pinnacle with an mp8 engine and mdrive automatic transmission. Was wanting to know what transmission could I swap it with that wouldn't be a hassle?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
2014 mack pinnacle with a mp8. What is the best way to
2014 mack pinnacle with a mp8 . What is the best way to remove the air compressor … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
I have a Mack 2011 with mp8 it shakes badly when it reach
I have a Mack 2011 with mp8 it shakes badly when it reach above 50 I have change the fuel filter housing and still the same I have to gear down from 10 to 9 speed because the vibration is really bad what can be the possible problwm … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
When truck is pulling a heavy load at 1000 to 1200 rpm it
When truck is pulling a heavy load at 1000 to 1200 rpm it shakes and vibrates until it gets above 1400 rpm. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
2012 mack with a mp8 runs fine until put under a load then
2012 mack with a mp8 runs fine until put under a load then dies restarts easily idles fine … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
After having a quacolmm instaled in a Mack CXU with a MP8
Hello,After having a quacolmm instaled in a Mack CXU with a MP8 engine the jake brake and cruise control has quit working. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
I have replaced speed sensor and still have a problem loss
I have replaced speed sensor and still have a problem loss of power with check engine light … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
Putting on evo tech performance chip on 2015 mack cxu model
putting on evo tech performance chip on 2015 mack cxu model pinnacle mp8 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
536 satisfied customers
I have a 2011 mack has no power from bat but to starter but
I have a 2011 mack has no power from bat but to starter but the frame has 12 volts if u put yr tester to frame it is hot … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
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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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