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2008 Mack gu713. Just did injectors and cups. Won't fire.
2008 Mack gu713. Just did injectors and cups. Won't fire. Little shot starting fluid tryst to fire then I'm noticing lots of air pumped into fuel tank only if it tries to fire. Complete kit bought fro… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
Have a 2014 mack with a mp8 engine was needing to know how
have a 2014 mack with a mp8 engine was needing to know how to change out the gear that drives the power steering and fuel pump at back of engine… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,427 satisfied customers
I have a 2012 Mack with MP8. It loses boost pressure then
I have a 2012 Mack with MP8. It loses boost pressure then hangs in whatever gear it's in. After it shifts, it builds boost again until 1400 rpm then does the same process over. Replaced actuator on tu… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I diagnosed Mack mp8 year 2014, the fault code is P20EE FMI
i diagnosed Mack mp8 year 2014, the fault code is P20EE FMI 00 AND P103C FMI OCCURED .what is the possible cause of these codes how to proper diagnose, how to read temp and diff pressure sensor readin… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
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6,427 satisfied customers
Negative VGT turbo motor effect during regeneration. Won't
Negative VGT turbo motor effect during regeneration. Won't complete regeneration. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
We have a 2009 mack vin# ***************** Model chu613 we
We have a 2009 mack vin# ***** Model chu613 we are trying to fix a low boost problem it will not build more then 17 psi of boost we had low fuel psi around 70 75 psi changed filter housing injectors a… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I have a Mack MP8 445 with lose of power issue. Changed fuel
I have a Mack MP8 445 with lose of power issue. Changed fuel filters still having the issue … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I have the code p113000 on a Mack mp8. The code is exhaust
I have the code p113000 on a Mack mp8. The code is exhaust post-treatment fuel air bleed valve stuck closed. I'm trying to figure out where the valve is. Could you help with that? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I have a 2012 mack with a mp8 engine. Getting codes mid128
I have a 2012 mack with a mp8 engine. Getting codes mid128 spn1127 fmi14 and spn94 fmi18 . Truck starts and idles perfectly. The vibration starts when loaded and accelerating when engine reaches 50mph… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
2009 Mack GU713 with a MP8-425M Hard start when sits
Second opinion] 2009 Mack GU713 with a MP8-425M Hard start when sits overnight cranks over then shuts off … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a 2010 mack trident MP8 engine,done 935000 klm had
Hi Steve i have a 2010 mack trident MP8 engine,done 935000 klm had injectors and cups done about 375000 klms ago last week 19/3/19 had injectors removed and two new cups fitted and put the same inject… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have an engine code on a mack with an mp8 engine spn 1127
hello i have an engine code on a mack with an mp8 engine spn 1127 fmi 14 and spn 1127 fmi 18 … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I HAVE A 2009 MACK CXU WITH MP8. GOING DOWN INTERSTATE IT
I HAVE A 2009 MACK CXU WITH MP8. GOING DOWN INTERSTATE IT WILL LOSE POWER AND BOOST THEN PICK BACK UP … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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 Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
2007 mack with an MP8 engine.The customer brought it to me
2007 mack with an MP8 engine.The customer brought it to me after spending over 20,000 at a mack dealer and having a delete done hoping it would fix his low power.i am not a Mack expert so it is a scho… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,427 satisfied customers
I recently retuned my MP8 deleted the DPF and egr and gave
I recently retuned my MP8 deleted the DPF and egr and gave it 48 more hp it now doesn't want to pull can hardly make 100 km per hour loaded … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a boost problem drivine on flat road it fine comes
I have a boost problem drivine on flat road it fine comes to a little hill it dies change turboe egr etc still nothing even the mack up grades . frustating … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Mack MP8 EGR engine. It's in a Mack Trident ( Australian model.)
Mack MP8 EGR engine. It's in a Mack Trident ( Australian model.) used to haul triple roadtrains in Western Queensland and the Northern Territory. I have replaced the EGR valve and the new one is doing… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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