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I have a 2014 MACK CHU with an MP8 engine,it crank but it
Hi I have a 2014 MACK CHU with an MP8 engine,it crank but it won't start I check fuel pressure,filters and the tanks putting air in system checking if any obstructions but everything was alright,it se… read more
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Mike D
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I have a 2012 Mack Pinnacle CXU613. I'm having a no crank no
I have a 2012 Mack Pinnacle CXU613. I'm having a no crank no start problem. I've checked all fuses and relays all seem to be well. I've looked for rubbed wires and shorts and found none. I checked the… read more
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2012 mack with allison 4500 truck trans in derate code are
2012 mack with allison 4500 truck trans in derate code are mid 130 sid 151 fmi14 ???? … read more
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2013 mack cxu613 starter problem. 2013 mp8. Replaced
2013 mack cxu613 starter problem JA: What's the make/model/year of your truck? Engine type? Customer: 2013 mp8 JA: Are you fixing your truck yourself? What have you tried so far? Customer: replaced st… read more
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I have a 2007 mack gu813 that will not shut off and the dash
I have a 2007 mack gu813 that will not shut off and the dash display does not come on. After choking the truck off I can restart but the dash display does not turn on. … read more
Bradey V
Bradey V
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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
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99 mack rd688s e7 350 not starting or cranking when you turn
99 mack rd688s e7 350 not starting or cranking when you turn key you hear a click on one of the soleinod on fire wall… read more
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My 2015 Mack won't turn over. I have dash lights but starter
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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
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I have a 2013 mack mp8 motor starts and runs fine for bout 5
i have a 2013 mack mp8 motor starts and runs fine for bout 5 miles then starts running out of fuel then dies i have a code 94 saying its fuel pressure sensor … read more
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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
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2009 Mack CXU 613 with MP8 motor cooling fan remains on
2009 Mack CXU 613 with MP8 motor cooling fan remains on continuously and comes on with no power to the fan and runs when cold or hot and temp only reaches 135 F … read more
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I change the oem starter out, the oem has 2 wires going to
I change the oem starter out, the oem has 2 wires going to the magnetic switch, the new one only has a terminal for one. Where does the other wire go? 2013 mack mp8 … read more
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2008 mack ch 613 lightin bolt on then shuts down lightin
2008 mack ch 613 lightin bolt on then shuts down lightin bolt been on for over a week just started shuttin down. Was low in water filled it but still shutn down … read more
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Where is the fuel transfer pump located on an MP8 425E Mack
Where is the fuel transfer pump located on an MP8 425E Mack engine ? … read more
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It's a 2019 Mack Anthem 64T with MP8 engine. Was running
It's a 2019 Mack Anthem 64T with MP8 engine. Was running idling fine - just bought and put 600 miles on it. Idling at a rest stop it dropped to about 400 rpm and idled very rough then died a few secon… read more
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Daniel Wilson
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Got a 2009 mack gu713 when it gets hot and you shut it off
got a 2009 mack gu713 when it gets hot and you shut it off will crack for every and not start again only when hot not building fuel pressure let sit for awhile and cool off starts right back up … read more
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2011 Mack CHU-613 Mack MP8 will not crank. When I turn the
2011 Mack CHU-613 Mack MP8 will not crank. When I turn the ignition switch I can hear the relay click on top of dash relay panel but I do not get voltage to starter. I have good battery voltage at sta… read more
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Daniel Wilson
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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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