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Truck usage 1 gallon coolant per hr! Mack 455 in 2012
Truck usage 1 gallon coolant per hr! Mack 455 in 2012 chassis. 725,000miles. No leaks no smells, no oil mix. Pressure test at 18lbs good.… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
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I have a 2011 Peterbilt 389, I need to save fuel. Is there
I have a 2011 Peterbilt 389, I need to save fuel. Is there anything out in the market I can install to help performance and save fuel? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 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
Steven
Steven
Triage Tech/Shop Foreman
Associates
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From New Zealand, We have in our Fuel shop a Mack Granite
Hi There , My name is ***** ***** New Zealand , We have in our Fuel shop a Mack Granite MP8 EGR { deleted } truck that has been around the traps with extremely poor performance but very good fuel cons… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
No start Cummins isc, 73476556 and it's a isc 300 hp, The
The truck had a plug DPF filter so replaced DPF filter and the truck would run but would sputter and run rough found a EGR valve code and code wanted the EGR to be replaced so we replaced the EGR and hasn't started since we have 12.6 volts powering up the ecm and no codes tried disconnecing batteries and letting drain over night now nothing … read more
Jackie Dempsey
Jackie Dempsey
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Automotive and Diesel Engines
100 satisfied customers
Have a 2011 Peterbuilt 386 with a ISX Cummins CM2250 engine
Have a 2011 Peterbuilt 386 with a ISX Cummins CM2250 engine serial number 79435106. What we are having problems with is that in only 12th or 13th gear when your pulling up a hill fuel pressure shuts o… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,069 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
7,069 satisfied customers
I have a Mack truck 2009 and have a code that keep on popping
I have a Mack truck 2009 and have a code that keep on popping up code #mid128, Psid25 and fmi 0 When the truck run it stop by it'self… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
7,069 satisfied customers
I have 500 isx. Need more power pulling mountains. Or large
I have 500 isx. Need more power pulling mountains. Or large hills. Seems to pull down fast. Had a egr and def delete done but doesn't have power I think it should have … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a cummins isx. Just had the dpf replaced. Still have
I have a cummins isx. Just had the dpf replaced. Still have fault code 2639 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
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
cumminsdr
Mechanic
High School or GED
1,351 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
7,069 satisfied customers
I'm looking at a 2012 CXU613. Has the MP8, Fuller RTL018918B,
I'm looking at a 2012 CXU613. Has the MP8, Fuller RTL018918B, and 3.58 rears. What problems do I need to know about the MP8 regarding reliability, fuel/oil consumption? Any valve train or after treatm… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
04 Mack Truck that is overheat and blows coolant on the right
04 Mack Truck that is overheat and blows coolant on the right side and shutting down under load on highway? Start it back up right away runs ok if you don't get hard into it.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I got a 2008 T 800 kw blowing a lot of black smoke and air
I got a 2008 T 800 kw blowing a lot of black smoke and air compress won't build air pressure. Turbo seems fine air to air hoses and rad seem ok… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
I have 2010 px8 the dpf and egr are deleted.every once in
I have 2010 px8 the dpf and egr are deleted.every once in a while on acceleration it stumbles misfires a bit of blue smoke then clears up its hit and miss no fault codes .done a monitor log with insit… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
What do you think about egr/dpf deletes? Can the dpf clean
What do you think about egr/dpf deletes? Can the dpf clean itself out after having coolant going thru it due to bad egr cooler… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
We have a customer with a 2010 M2 business class freightliner
We have a customer with a 2010 M2 business class freightliner with engine #73012266 ISC Cummins it keeps getting code 2637/2639/1921 of course when 2637 occurs it stop you from doing a roadside regen … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
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