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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
Steven
Steven
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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
Steven
Steven
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I have a peterbuilt with a Cummings 871 that is only getting
I have a peterbuilt with a Cummings 871 that is only getting 31 psi boost, it has a new rebuilt engine just done last week, all new injectors, the emissions system is deleted, new air to air cooler, n… read more
Daniel Wilson
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Need to force regen on Mack MP8. The sensors went out. 2014
Need to force regen on Mack MP8. The sensors went out … read more
Jeremy
Jeremy
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I have a 2004 ford f650. It has a navistar 6.0 in it. The
I have a 2004 ford f650. It has a navistar 6.0 in it. The truck has no power and has a vgt over duty cycle code. it also sets a vgt erams code during the air management test. I have already pulled the… read more
Andy3221
Andy3221
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I'm working on a Cummins ISX. Trying to diagnose a 3375
I'm working on a Cummins ISX. Trying to diagnose a 3375 fault code. First, the codes I have are 3375 1921 and 2639. I'm most concerned with the 3375 as the other 2 are basically soot level codes. Driv… read more
cumminsdr
cumminsdr
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I have an active code of 3375 on ISX engine with in active
I have an active code of 3375 on ISX engine with in active codes 3383, 6263 which has nothing to do with it, 2639, 1921, 2754. I tried to region truck and the aftertreatment injector would not turn on… read more
Daniel Wilson
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2010 Mack Granite mp8 engine has fault "PID:411 FMI:14
2010 Mack Granite mp8 engine has fault "PID:411 FMI:14 Differential pressure of the engine recirculated exhaust gases. - Special instructions. Cleared this fault and ok. After days work with truck fau… read more
Daniel Wilson
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I have a 2015 Ford F650 with a Cummins and it keeps loosing
I have a 2015 Ford F650 with a Cummins and it keeps loosing power and won't regen. … read more
Daniel Wilson
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Under load on or steep incline it starts to get a miss along
Under load on long or steep incline it starts to get a miss along with some black smoke … read more
Curtis B.
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I have an 06, 530 isx. can't get over 20 pounds boost.change
I have an 06 , 530 isx. can't get over 20 pounds boost.change the turbo and manifold and eliminated EGR. Had ECM programed for signature 600. no leaks in air to air. with vgt turbo Pyro meter showed e… read more
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2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR
2013 Mack GU713. Engine serial #989613 Model #MP8-415C SCR performance low. service SCR system. Engine derated to 5mph Codes are: SPN 5246, SPN 4094 NOX, SPN 5443… read more
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2012 KW T700 ISX Cummins Check engine light came on and on
2012 KW T700 ISX Cummins Check engine light came on and on the diagnostic report it reads "Injector Spill Valve 5" can you help me understand this issue ? Thank You… read more
cumminsdr
cumminsdr
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2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in REGEN, for about 6 continuous hours of operation it was de-rated with bluish gray smoke coming from exhaust on steep hill climbs with a heav… read more
cumminsdr
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Mack Trident - Australia model: I'm in Australia and have a
I'm in Australia and have a mack mp8 engine. The early one that was egr. I'm having trouble with the egr valve, it's new and like the old one before it from 10% engine load to 75% engine load the valv… read more
Jeremy
Jeremy
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2008 Mack Granite GU 813. MP8 engine. lighting bolt is
2008 Mack Granite GU 813. MP8 engine. lighting bolt is on @ dash. blue regen switch is blinking. performed regen. before and after having dpf filter cleaned both lights are still on.(blinking regen sw… read more
Jeremy
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Just rebuilt a 07 isx with a pdi delete used timing wedges
Just rebuilt a 07 isx with a pdi delete used timing wedges and set the backlash. Engine starts and runs beautifully but am getting very little boost and smokes black under medium to hard acceleration… read more
cumminsdr
cumminsdr
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I have 2 Mack trucks model ch635 powered by 330/350 hp Mack
I have 2 Mack trucks model ch635 powered by 330/350 hp Mack engines. 2004 year model. These trucks suffer from lack of HP.What can we do to increase HP? Also can we by pass the egr cooler? Thanks for … read more
Daniel Wilson
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2,803 satisfied customers
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