Mack mp7 injector problems. mack talked me into replacing with the updated cups .
Mack mp7 injector problems Some versions of the nozzle also regulate the amount of fuel being injected. Proper maintenance of this fuel injector is essential to avoid issues like engine misfires, poor fuel economy, or even engine damage. The Mack MP7, MP8 DEF Doser Injector (OEM 22391563) is essential for reducing emissions, optimizing fuel efficiency, and maintaining compliance with environmental regulations. Very random, but only once and a while. Reimbursement is Customer: I have a 2013 Mack with an MP7. Release Page Field Service Bulletin 3. Blowing The AHI Nozzle (also called the 7th injector) is mounted on the diffuser. K76992557 If Guided Diagnostics ( GD ) results in No Fault Found ( NFF ), check the following: Title Diagnostic Trouble Code (DTC) P24F6-00, Exhaust Aftertreatment Fuel Air Purge Engine family , , , , , , 11L Engine 13L Engine 16L Engine Mack MP7 MP8 Help mack many injector codes new harnesss. It has been in the Mack shop 3 times and another mechanic twice. worked on many road graders, Bull dozers , skid steers, Rollers. Don't ask the engine to put out more than *400 horsepower. Browse our products and solutions for Mack MP7, MP8, and MP10 running rough and misfiring. Shop Foreman/Triage-Lead Tech Volvo,Cummins,Mack, GM, Hino. Mine does not have the separate pump for after treatment, but I found the problem. we have a 12 and just spent 5000 on injectors on a 350000 mile truck. One of them is fuel related but it’s for the aftertreatment injector. After a few days it calls for a parked regen. It started off by not completing a regen. Have an 95 ch613, 04 vision with a 460, and 07 mp7. I believe it was around the 14-15 year models. Pre cleaning- No codes DPF pressure- 1. It focuses on the connectors for the Engine Management System (EMS) Module, which has two 62-pin connectors. 2015 Mack LEU MP7 Injector cup replacement procedure What tool is needed. 9% of the time I just look in the fuel tank at the return tube and check for air coming out. Replacing the compressor may solve the problem. 2861-03-03-03 Wiring Harness, Injector, Replacement (Rear), Valve Cover Removed 19. I will try and condense this as much as possible! We have an 2008 GU713 with the MP7 engine. mack talked me into replacing with the updated cups Added cup install to show how to install cups. 2009 (REVISED SUPERSEDES ISSUE DATED JANUARY 2009) ENGINE 5-114 ATTENTION The information in this manual is not all ServiceProgram MackTrucks,Inc. 3 to 2. Like it’s misfiring. These engines utilize two different injector sleeves and it is important that the correct sleeve is installed. The lines to and from the ecm cooler. I can do a turbo calibration but it doesn't help anything at all, and another thing I noticed is power would be erratic when the problem first showed up. 2013 237 60 02 1(30) Engine Injector and Sleeve, Replacement (Conical) MP7, MP8, MP10 Engine Injector and Sleeve, Replacement (Conical) CAUTION This bulletin describes important tools and procedure for engine injector and injector sleeve replacement. I have also heard pre def are worse than after def. Also if it does have air purge or the small 7th injector there can be an issue with the air purge system that will cause the 7th injector to clog. reset the engine learned data. One of the leading causes of DEF doser injector Leaking fuel through injector. 2007 mack,mp7. Drive Belt Replacement and Tensioning. if it smokes continuously then you may have an injector issue. This time, the truck had no power and running rough, same as in the past when it needed injectors. 8 XB:1 D X01A:1 F7D3-0. Compatibility. The Mack MP7 Fuel Injector OEM 85020427 is a vital component that ensures efficient fuel delivery and overall engine performance. 2010. Joined Oct 4, 2021 Messages 216 Location Wisconsin Occupation We changed the AHI Module and 7th Injector (Purchased from dealer). The problem is so bad that (1) they sell a kit with injectors/cups/orings all under 1 part# and all you have to tell parts guy is "I need a six pack" Volvo has tried at least 5 different updates over the years and they still fail. In conclusion, the Mack MP7, MP8 Injector Cups OEM 21515329 are essential for the optimal functioning of engines from 2008 to 2018. It describes the key components of the fuel system, including the fuel pump, filter housing, injectors, and how fuel is drawn from the tank These repairs are the most likely fix for the identified fault, if this does not fix the issue, Tech Tool will need to be used for more detailed diagnostics. Mike. I drained By chatting and providing personal info if the same issue, have the ECM flashed and updated. smoking like a (04-26-2019, 03:49 AM) TwistedDiesel Wrote: I am having the exact same problem, No power and only 23 lbs boost after doing injector cups on a deleted 2013 mack MP8. the did the fuel pressure regulator The Mack MP7, MP8 DEF Doser Injector, OEM 22391565, is a key component in your engine’s Selective Catalytic Reduction (SCR) system, ensuring that your vehicle meets emissions standards while maintaining optimal performance. Last on the list was a DPF cleaning which I was asked to do. The first indication of a fuel injector issue is often the check engine light illuminating on your dashboard. We’ve replace the fuel filters. All was working fine but came back with mid 128/psid 47/ fmi 0 and soot level codes. then we did the fuel filter housing and main fuel pump any ideas will be greatly appreiciated. Built to withstand the demanding conditions of diesel engines, this fuel injector is designed for long-lasting performance. No codes everything looked ok. There is a fuel regulator fitting in the head, the mp7 one is on top of the head, front MACK® MP7 DIESEL ENGINE SERVICE MANUAL ('07 EMISSIONS REGULATIONS) Skip to content. General Information. Less than 1500 miles later all the same codes came back engin derated to Have you tried swapping the egr and cam sensor plugs? That is a common thing and will keep it from starting. The Mack MP7, MP8 Injector Cups 2007-2010: OEM 85124276 Specifically Designed for Mack E7 Engines. Cylinder balancing is only active at idle speeds, between 500 and 750 RPM. Motiv8's heavy duty Aftertreatment Hydrocarbon Dosing Module with Fuel Doser 7th Injector is designed to work and fit just like the original Volvo & Mack Trucks D11 D13 D16 MP7 MP8 and is made to meet or exceed OEM specifications. (1901 Likes) Posts: 3,208 Joined: May 2016 : allot of mack stuff on line for codes trouble shooting and what not , i ran a 07 mp7 mack for a bit , check wiring harness for injectors , comes out back of head , check the plug , clutch pedal switch fuel Volvo (Mack) was trying to appease customers by constantly changing how many o rings, o ring supplier, hold down torque values etc. Addressing problems early can help keep your engine running efficiently and prevent costly repairs in the long run. Started seeing some issue on a few 6 months in. Sometimes it won't start and now quits while going down the road. New DPF, 7th injector ,doser, doser lines, doser pump, doser coolant lines, EGR valve , EGR venturi and EGR differential pressure lines and sensor. First guess would have been a bad connector to #5 injector. 5 Tandem Dump(12-15-06 586,000 miles) 1989 Mack RW713 Superliner E6-350 Dynatard 12sp 20/58 Camelback 11R 24 Tandem Dump(12-15-06 317,000 miles) 1996 Cat 416B 4X4 Ext-hoe (12-15-06 6,200 hrs) :usflag Looking for info on setting valves and injectors on mp7 mack 2009 model, 2009 mack mp7 engine, I'm a shop looking for Wayne | worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling 34,953 Satisfied Customers Motiv8 AHI Dosing Module & 7th Injector Kit for Volvo & Mack Trucks D11 D13 D16 MP7 MP8 23185531 21534115 21407621 22009269. Have replaced ac switch and confirmed correct operation of ac except the fan doesnt cycle as 2013 mack mp7 . It has 3 fault codes. Looking for info on setting valves and injectors on mp7 mack 2009 model, 2009 mack mp7 engine, I'm a shop looking for. The fault code will sometimes The Mack MP7 Fuel Injector, OEM 85003711, designed for 2008-2010 models, plays a key role in maintaining efficient fuel delivery and supporting overall engine performance. 12. aw12345, Aug 16, 2016 #2. 2014 214 019 03 1(18 The Mack MP7 fuel injector, OEM 85003711, plays a vital role in the engine's operation. What you will want to do on this is make sure the aft fuel pressure sensor is reading a good zero. These injectors are responsible for spraying the fuel into the combustion chamber in a fine mist, allowing for efficient and complete combustion. The primary failure mode of the AHI Nozzle is a clogged/plugged Pulling an Injector from A Mack engine I have a mecanical problem with my truck, its a Mack Granite 2008 with a MP7 engine, trouble with injectors, do you have. Aftertreatment Hydrocarbon Doser, Replacement . Around 50,000 miles. P. However I like the Mack tools way better if you are going to use it several times . The document discusses the connectors used in the V-MAC IV vehicle system. This truck was a hard start after sitting over 1 hour Aftertreatment Hydrocarbon Injector (AHI) There are 3 primary failure modes of the AHI Module (Dosing Block): Contaminated Air Supply Contaminated Fuel Supply Electrical Circuit Fault mack p24f700 p20dc00 p20de00 p20e000 p20d713 p24fb00 99. Don t worry, we are already seeing issues with them in both the injector and injector cup failure departments. Treating with Diesel Extreme will clear out the debris in your injectors. But I think do the easy checks first would rule a lot out. having trob starting A Mack, 2011 mp8 engine, we blocked off all lines to tanks, fuel seperator, and installed 2 new filters, also made sure top and bottom chk valves were working. Have no experience with Mack or Renault Have a mack MP8(?) with the Mack badged renault engine in the shop with a fan that stays on constantly except when I unplug the a/c high pressure switch. If you shop the competition, these problems could arise weeks, or days, after installation. Exceptions / non-returnable items Certain types of items cannot be returned Mack MP7, MP8, and MP10 Engines - Body Manuals. Spin-On Type Filter (3–5 Microns) 2003; Page 55: Electronic Unit Pumps (Eup) EUP delivers fuel three-piece delta O-ring seal is available through through a fuel injection line to a the MACK Parts System. Im working on a mack mp7 hard start issue have replaced cups and injectors and also the fuel pump still hard start By chatting and providing 2015 Mack LEU MP7 Injector cup replacement procedure What tool is needed. You can get the tools on Amazon for a quarter of the cost than the ones from Mack. The 7th injector atomizes fuel going into the exhaust stream. Mack 14MP8, MP7 EM-USA17, OBDEP-A/OBDEP-B/ OBDEP-C -November 2016 04 May 2020 b. 2021 237 021 02 2(10) 13L Engines Part Number Description Quantity failure was experienced within time and mileage limits of the applicable Warranty coverage. Yes most common failure is injector cup injector seat failure 1 Quote; Link to comment I just did mine on an 08 mp7. With technical knowledge, quality products, fast shipping, and unbeatable customer service, HHP is the place to be! Contents: Mack MP7, MP8 Volvo D13 Fuel Injector Assembly The Mack MP7 Fuel Injector (OEM 85003711) plays a crucial role in maintaining fuel efficiency and engine smoothness in Mack MP7 engines. Release Page This service bulletin replaces bulletin 214-93 dated 5. I always recieve some good info here so i need help again. MACK MP7. Usually when all 6 throw that fmi it is an ecm issue or possible incorrect Gen ecm being used. Any help would be great. Hey guys i have a 08 mack mp7 that is losing fuel pressure while under load. thanks for watching (12-17-2016, 02:36 AM) quality truck Wrote: Injector cups and injectors. If the system detects an issue, it will automatically cause an active fault code related to the AHI module or 7th injector. • Has the Chassis Air S ystem been serviced correctly base on published service information? If Front Fuel Injector Harness 14-Pin Connector Resistance Chart (Using J-48671-10 Injector Breakout Box) Note: Ensure J-48671-10 ground strap is connected to cylinder head.
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