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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
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Jpro scan tool came up with gear engagement code 2013 vnl
Jpro scan tool came up with gear engagement code 2013 vnl d13 ishift … read more
Joe Green
Joe Green
66 satisfied customers
Truck will not regen even with a forced regen have a code of
Truck will not regen even with a forced regen have a code of P009B13 have changed the pressure relief valve and the fuel filter dosing module … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I have a 2013 Mack, MP7. has an active SPN5394 FMI 5. (after
Hi Mike, I have a 2013 Mack, MP7. has an active SPN5394 FMI 5. (after treatment dosing valve current below normal or open circuit.) unit is in operator inducement level5. The DEF doser valve measured … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Spn1231 fmi2 and son 4094 fmi 1. 2013 Mack mp8 truck runs
Spn1231 fmi2 and son 4094 fmi 1. 2013 Mack mp8 truck runs buts starts acting like it's got a miss. Checked dozer all good. Won't let do a regin cause it won't idle up with it cutting out.had code 2 we… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 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
570 satisfied customers
I'm working on a Mack CHU613 that was bought from auction.
I'm working on a Mack CHU613 that was bought from auction. Has codes spn411 fmi7, spn1127 fmi18, and spn3226 fmi12. A new and updated differential press sensor, new NOX sensors, and verified for exter… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I have a 2013 Mack CHU613 with the MP8 engine. 2013 Mack
-SPN 1072 FMI 4 -SPN 1127 FMI 18 -SPN 647 FMI 5 -SPN 4811 FMI 2 -SPN 4813 FMI 4 -SPN 1265 FMI 4 -SPN 3936 FMI 0 -SPN 1127 FMI 10 -SPN 1127 FMI 14 -SPN 411 FMI 7… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
10 seconds to fire and them stumbles to life. Volvo 2012/D13
10 seconds to fire and them stumbles to life. JA: What's the make/model/year of your truck? Engine type? Customer: Volvo 2012/D13 spn1127 fmi 18 JA: Are you fixing your truck yourself? What have you t… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 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 Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I have a mack mru613 with an MP7, this unit has been having
I have a mack mru613 with an MP7, this unit has been having an issue with Aftertreatment fuel pressure 1 circuit/range performance. the customer has already replaced the sensor once. last time it was … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 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
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Engine ECU fault code SPN 1127, FMI 18. Volvo VNL 780 2014.
Just diagnosing tonight. Will be going to the shop on Tuesday. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
Fault code spn 1127 FBI 18. Volvo vnl 780 d13 2013. Reset
Seems to be running fine, not sure what the problem is… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
2007 MP7 runs good in lower ear but looses power in higher
2007 MP7 runs good in lower ear but looses power in higher gear (spped ) no manifold pressure … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,465 satisfied customers
Mack Granite engine fault light on dash and has lack of
Hi Mack Granite engine fault light on dash and has lack of power. How do I extract fault codes from system … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I saw the answer about the under powered Mack engines CH635
I saw the answer about the under powered Mack engines CH635 330-350 hp. I also have two of these trucks. I have deleted the egr coolers but did not help much. Presently these trucks have rear differen… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,465 satisfied customers
What are the specs to get the best fuel mileage for a Detroit
What are the specs to get the best fuel mileage for a Detroit 60 series engine? from 2000 to 2007? and for the new style dd15 motor?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 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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