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Have a mp8 and no power it has some kinda hastening from 12
Have a mp8 and no power it has some kinda hastening from 12 to 14 rpm and fuel pressure is 45 to 50 and on 17 rpm it goes to 60 under Load what could it be … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
My truck only have 15 psi turbo pressure what could be the
My truck only have 15 psi turbo pressure what could be the problem … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
I have a 2014 mack granite series with a spn 1127 fmi 1
i have a 2014 mack granite series with a spn 1127 fmi 1 code. i need to know where to start. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
We have a c13 cat with low power. we have replaced boost
we have a c13 cat with low power. we have replaced boost sensor, verified fuel pressure (85psi) at wot. the truck originally came in with center section of exhaust manifold and turbo burned out. drive… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
My truck was deleted over a year ago. He couldn't delete the
My truck was deleted over a year ago. He couldn't delete the egr valve on that particular truck. Trucks has lost tremendous amount of power almost like starving for air or fuel. Mack place cant figure… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
We got a 2006 sterling with a Detroit series 60 with egr has
We got a 2006 sterling with a Detroit series 60 with egr has trouble code side 147 fmi 2 it white smokes a hole lot under throttle and chugs and doesn't wanna rev up just alot of white smoke if you ke… read more
Expert
Expert
10,510 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
6,292 satisfied customers
I have a 2005 Mack CHN613 VIN: *****************. The truck
I have a 2005 Mack CHN613 VIN: *****************. The truck has very very limited power. I have 3 active code as follows, SID 269 FMI 7, SID 27 FMI 5, and SID 146 FMI 5. When driving and watching the … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
2009. Mack mp8 will not boost over 18 lbs, air to air is
2009. Mack mp8 will not boost over 18 lbs, air to air is good, fuel pressure 75, actuator swapped and calibrated, swapped deck, no difference, … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 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
6,292 satisfied customers
We have a 2009 Mack Granite GU813 with a MP7 engine. The
Hi there We have a 2009 Mack Granite GU813 with a MP7 engine. The truck initially had an egr valve fault code when we went out to it first. The truck has low power and had a DPF delete. The only activ… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
6,292 satisfied customers
I have a 2005 international 8600 with a ism Cummins turn to
Good day I have a 2005 international 8600 with a ism Cummins turn to 410. The problem is low power it had an injector bad so replace all 6 new new turbo actuator new turbo control box new turbo speed … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
628 satisfied customers
I'm having issues with my turbo not always spoiling on
Dan I'm having issues with my turbo not always spoiling on my Mack and I'm leaning towards the egr sticking since i have recently changed the cooler I don't think that is the problem as I have read on… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2004 Cat C-13 ESN : KCB20419 This unit will
hello I have a 2004 Cat C-13 ESN : KCB20419 This unit will not build any boost, during accl it is very slow no power. AT the very top end it is only building like 8 psi. I already replaced the boost p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 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
I have an 2005 14L Detroit. Engine is very weak. Boost pressure
I have an 2005 14L Detroit. Engine is very weak. Boost pressure builds to around 32 psi and falls back very quickly. We have no boost leaks. What should the VGT Vaine Actuator read and what should the… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2001 Kw with c15 475 cat with a loss of power. No
I have a 2001 Kw with c15 475 cat with a loss of power. No check engine light, no obvious noises for a missing cylinder. Idles and runs perfectly just a loss in overall power and acceleration. No fuel… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
Im working on a c13 cat engine in a kenworth truck, the engine
I'm working on a c13 cat engine in a kenworth truck, the engine has no power, when you rev up on the engine it makes a loud "swooshing" noise from the right side I think, I pressured up the after cool… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 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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