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How are you? I have a 15 CHU MP8. Does not get hot enough
Hello Mike, how are you?I have a 15 CHU MP8. Does not get hot enough for regen. During regen the turbo is at 65k rpm and 10-11 psi. DPF was just serviced. Completed all checks for P20EE code. Found th… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
571 satisfied customers
I have a 2015 Mack Pinnacle with MP8 engine, I am getting
I have a 2015 Mack Pinnacle with MP8 engine, I am getting fault code 'SPN 4094 FMI 1: NOx limits exceeded due to Insufficient Diesel Exhaust Fluid Quality'. Have checked for DEF quality, Aftertreatmen… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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571 satisfied customers
I have a 2012 mack chu613 with an mp8 in it it keeps giving
I have a 2012 mack chu613 with an mp8 in it it keeps giving me a scr performace low service scr system and parked regen needed and the truck is derated … read more
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I have a 2015 Mack CHU 613 w/ MP8. Regen has temps of. T1:
I have a 2015 Mack CHU 613 w/ MP8. Regen has temps of. T1: 597, T2: 896, T3: 960. Is this normal?… read more
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I'm in 5mph Derate on my 2015 Mack cxu613, MP8 engine. No
I'm in 5mph Derate on my 2015 Mack cxu613 , MP8 engine … read more
Joe Green
Joe Green
66 satisfied customers
I have a Mack truck, 2017 CHU. The truck is derating in high
I have a Mack truck, 2017 CHU. The truck is derating in high load situations. Driver says feels like he is loosing his boost. I keep getting P016F00 codes. The return valve has been deleted, new rail … read more
Edgar.T
Edgar.T
Forman
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Mack 2016 CHU, MP8. Only code is for the daytime head
Mack 2016 CHU, MP8. Only code is for the daytime head lights. No eml or mil on. Checked codes several times and restarted PTT. Truck has Temp system lockout check light on and kicks out of forced rege… read more
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Mack MP8, 2012 with compressor bypass and AHI valve. What is
Mack MP8, 2012 with compressor bypass and AHI valve. What is a reasonable intake manifold pressure during a forced regen?… read more
Mike Mcmillan
Mike Mcmillan
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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
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2011 6.7 in a freightliner. Truck is having excessively
2011 6.7 in a freightliner. Truck is having excessively frequent regens. Not able to locate any exhaust leaks at this time. Regen analysis says turbo exceeded max speed. Getting code for turbo actuato… read more
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Steven I'm having a problem with one of my Mack trucks again
Hi Steven I'm having a problem with one of my Mack trucks again with it regening. It'll regen for 16 minutes and 45 exactly and just stop, each time I try to regening it. The codes it has is Soot leve… read more
Mike Mcmillan
Mike Mcmillan
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Idled all nite, till now, all was fine. Tried to take off,
Idled all nite, till now, all was fine. Tried to take off, Regen message came on. Then shut engine light off came on. 2 codes appeared, the 2nd went away. 2008 Mack CXU613 MP8 445. SPN 3936, SPN 641/F… read more
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HERE IS THE CODES COME UP ON DIAGNOSTICS SCREEN: DTC
HERE IS THE CODES COME UP ON DIAGNOSTICS SCREEN: JA: What's the make/model/year of your truck? Engine type? Customer: DTC P24A000 JA: Are you fixing your truck yourself? What have you tried so far? Cu… read more
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2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9. 2010
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9 … read more
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2013 Mack Regen temps not not getting high enough to regen.
2013 Mack Regen temps not not getting high enough to regen. … read more
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How difficult is it to change rear motor mounts on D12
How difficult is it to change rear motor mounts on D12 Volvo? … read more
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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
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Mack mp8 2012 in derate no codes no check engine light no
mack mp8 2012 in derate no codes no check engine light no lightening bolt, service def on information screen won't let us take out of derate… read more
Expert
Expert
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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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