Mack injector problems. Jul 5, 2019 · I am looking to buy a 2003 CH613.

Mack injector problems. 2013 214 93 02 1(13) Valves and Engine injectors, Adjustment MP8 Valves and Engine Injectors, Adjustment W2005941 This information covers the correct procedure for adjusting the valves and engine injectors on Customer: I have a 2013 Mack with an MP7. 75 volt (on signal wire). Nov 9, 2018 · How to clean 7th injector (DPF problem fix)check out video on actual forced regen I made https://youtu. Now 4 months later all three have failed with small hairline cracks behind the nipple at the injector. I loosened the outside nut and tightened the stud thinkin Feb 18, 2020 · Hello Everyone, I have a 1994 Mack CH613 E7 350 and I am currently having problems with it the truck one day shut off while running and started off again it did it a second time and didn't start anymore. Mar 11, 2014 · ok I have one going into mack dealer for im going to say wiring issues (herein referred to as truck 120) its a 2009 mack cxu613 pinnacle mp7 the only codes are mid 128-pid 411-fmi 5; gas diff pressure like challenger said, I tested the wiring unplugged from sensor and I get with key on, one ground, one 4. spring change & calibration to fix. I’ve already pinched off the coolant lines to the compressor and it builds up to 15 psi in the tank. cover from the engine. then it came back with codes for injectors 1, 2 & 3 with open circuit. Rotate the engine with the turning tool in the normal direction of rotation until the timing marks are aligned for the Injector Pump(s). Filters, Loose linkage, ect. They were leaking at the head. They are both leaking out of the head where the injection line is threaded in. Date Group No. Fits Bosch BOS0432-191-283. Unlike most emissionized diesels today, the Mack MP8 engine does not utilize a common rail injection system. This part is primarily made for a Mack MP7, MP8, production years 2008-2018, and comes with a One Million Miles or One Year Warranty. suitable container. Jan 8, 2017 · When they got the truck it was automatically assumed that the injectors were bad and were replaced. . Aug 12, 2021 · Hi I have a 2008 Mack mp7 GU. As an added benefit, our parts are backed by our ASE-certified technicians on staff who can answer any technical question you have about your Mack E7. Having an issue with fuel. Which would mean 1 and 3 injectors are fine and #2 was/is the problem the entire time. Release Page 7. we have a 12 and just spent 5000 on injectors on a 350000 mile truck. i still have a miss did cut out test #6 is not changing. Oh well all good now. Jul 5, 2019 · I am looking to buy a 2003 CH613. Let’s learn more about this engine and what you should know about it. They first told me it would be Friday or Monday befoe they could even diagnosis the problem. operating range. So its getting fuel. 0nly other code is; mid 128-pid 437-fmi Oct 29, 2020 · As each solenoid is energized by the ECM, an audible click can be heard at the valve cover. Jan 8, 2017 · Now the truck is in okc volvo mack dealer. I was seeing if any of you guys ever encountered your mack, STALLING at take off. All wiring was hard wired (no electric connector plug). Is there anything other than a head or head gasket problem that will Mack Trucks, Inc. This truck has been good to us for the most part. Jul 30, 2015 · Fuel system. Oct 12, 2018 · Injector pump and Econovance system Removed from 1997 Mack CL713 E7 427 running engine. The seller claims that the truck has a 460 E-tech engine in it. Hope these cups don't become a regular every 200,000km thing. Cracked them and fuel shot out of it, and its shooting out where the injector goes into the motor. In fact I know a certain *Cough-* dealership -*ahem* who buys PAI cam replacement kits because Mack no longer does certain kits. Mack E7 Engine Problems. Disconnect the unit injector harness connectors from the unit injectors. At my shop, after "tweeking" the installation process and torque procedure (thanks Nasriza) we are now getting 3-5 years or more life span. 2008 SERVICE BULLETIN Number: SB234017 Date: 03/13/08 Model: MP7, MP8 (Not applicable to Mack Trucks Australia) Exhaust Aftertreatment System Fault Tracing — Catalyzed DPF The information contained in this document describes functions of, and techniques for Mack Trucks, Inc. this morning I went out and started it, let it warm up 5-10 minutes, then went to leave the yard. Now the truck is in okc volvo mack dealer. Aug 30, 2021 · After replacing individual eup’s the problem moves to another one. on the filter housing. There has been 10 releases of updated injectors claiming that the newest injector and cup is the cure but ultimately it's not. Pump was rebuild 1 year ago at B&D Diesel in Maryland. Econovance solenoid valve assembly was replaced also ($600 from Mack ). The service Mack Trucks, Inc. Prevents Engine Issues. 2013 237 60 01 2(28) ServiceProcedures 2379-03-02-01 UnitInjectorandSleeve,Replacement(Conical) Sep 12, 2013 · Turns out 2 of the injectors were as they now call it, "Fretted" (cracks in the injector tip body) So 2 injectors, 6 cups and almost 4G's later its back on the road. The electronic engine controls all component functions on both systems. Engine Knocking. My problem is ever since then I have lost 6 to 7 pounds of manifold pressure pulling and 10 pounds when using the engine brake, the hills I used to jake Nov 3, 2018 · Mine does not have the separate pump for after treatment, but I found the problem. Contents • “Special Tools”, page 2 MackTrucks,Inc. Apr 4, 2017 · It could be shorted and causing a problem which is knocking out injectors 1 and 3 which are on the same bank. 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. The overflow valve. The problem that I notice is that the fuel suction side pushes out instead of sucking. I made it maybe 100 yards and then it stalled. New Bosch 0432-191-283 Injector Assembly for 2001-2006 Mack E7 E-Tech Engines. These noises occur when the combustion process becomes uneven due to improper fuel delivery. With technical knowledge, quality products, fast shipping, and unbeatable customer service, HHP is the place to be! Contents: Mack E7 Fuel Injector – (736GB415MX) Jul 21, 2013 · If the fuel is leaking where the line hooks on and that is the only problem, you can remove the pump nut with a 1-1/4 12 point socket and there are orings in there that can cause it to leak. Thanks. My ideal truck is 03 CH with 400. The Mack E7 Fuel Injector, specifically OEM 736GB343P7, is a vital component in ensuring your diesel engine runs smoothly and efficiently. Air can enter the fuel system at several points such as: • Cracked pickup tube in the fuel tank (low fuel) • Loose suction side fuel Mack Trucks, Inc. Sep 17, 2022 · So, if you are thinking about getting a Mack E7, it is good to know what you can expect from it and if it is worth a purchase. Aftertreatment Hydrocarbon Injector (AHI) Troubleshooting Guide - US10+OBD13 And Newer Emissions System Overview The Aftertreatment Hydrocarbon Injector (AHI) System is a component of the Emissions Aftertreatment System (EATS) that monitors and controls fuel injection into the Diesel Oxidation Catalyst (DOC) to regenerate the Apr 12, 2019 · /Rotor/Injector) P2A 17 Injection Pump Fuel Metering Control "D" Range/Performance (Cam /Rotor/Injector) P2A 1F Injection Pump Fuel Metering Control "F" Range/Performance (Cam /Rotor/Injector) Inspection Steps 1. It started back up Mar 15, 2016 · Im lost. Oct 14, 2018 · The Mack Volvo engines are notorious for injector problems and injector cups. be/9_vWB_z9WSQif you haven't already make sure you sub Jul 29, 2017 · There was a "campaign" on 2 particular RobertBosch Mack injection pumps for a mid range surge. There are instances when problems with your Mack E7 engine will arise. Even if you werent under warranty, all 6 cups should be replaced. Most diesel engines use common rail injection as a way to control many fueling strategies for a better and more efficient burn and to bring down emissions – but it is very complex and still prone to many problems. Allow the “Injector Solenoid Test” to continue until each cylinder is activated at least two times. 2010. 3 2. The old CH's just go and go. Edited October 26, 2017 by Mack Technician The AHI module goes through various self-checks during the operation of the engine. Position the puller fork in the groove on the injector and lock the arm using the thumb screw on the side. The solution to both of these issues lie in the fuel injector and combustion chamber design. right away I knew something was wrong, it was missing and had no power, acted like it was out of fuel. Note: Rotate the valve cover as needed, to clear the cam. Mack Trucks, Inc. Since your injector is new I would suspect the catalyst is plugged, that can be caused by any engine issue, turbo, EGR system, injectors etc. Aug 24, 2013 · I have a 2008 Granite with a MP8, I had 2 injector's go bad so I had the local Mack shop replace all 6, they told me the engine wiring harness was bad, so they replaced it at the same time. drained tank and had changed the filters, they drove it for about a week with no issues. Apr 28, 2019 · Volvo has had the injector cup problem in the D12 and their other engines before the D11,13,16 and MP7,8 and 10 came out. If the system detects an issue, it will automatically cause an active fault code related to the AHI module or 7th injector. I know virtually nothing about the electronic Mack engines and was wondering what issues (if any) you guys have had from these engines? Also how do these engines perform compared to the mechanical E7 Nov 6, 2023 · Injector problems can lead to inadequate fuel delivery or improper spray patterns, making it challenging for the engine to ignite and start smoothly. Another sign of diesel injector problems is engine knocking or pinging sounds. P. Release Page 9. The 7th injector was plugged up. We have changed the injectors, injector cups, fuel filter base, pump, cleaned out tank, fuel filters, check valves and replace both hose that come from tank. I have also heard pre def are worse than after def. So I checked the top of the injection pump where the fuel lines meet the injection pump. 2014 237 62 01 1(33) Engine Injector and Sleeve, Replacement (Conical) MP8 Euro4 Engine Injector and Sleeve, Replacement (Conical) This information covers replacement of the conical engine injector and sleeve on a MP8 Euro4 engine. The lines to and from the ecm cooler. Install the puller onto the injector. Release Page ServiceBulletin 3. rom the cylinder head. Apr 16, 2022 · I've got a 1994 CH with the E7350. 7. 2012 230 256 03 4(16) W2032840 Damaged primary engine fuel filter seals W2004180 Leaking injector sleeve to injector seat T2021565 Loose engine fuel filter housing primer pump Damaged engine-mounted fuel pump seals SERVICE PUBLICATIONS, ALLENTOWN, PA 18105 ©MACK TRUCKS, INC. A malfunctioning injector can lead to problems such as misfires, rough idling, and poor acceleration. Oct 20, 2013 · Injector cups are a big problem. Trust the experts at the ISO 9001: 2015 facility that this fuel injector assembly comes from. I’m having a fuel delivery problem. The start and duration of the injection can be adapted according to requirements, so you’re always getting appropriate fuel quantity and pressure, even at low speeds. Try ALL the other stuff first, before pulling the pump. truck a few weeks ago was filled with DEF fluid in fuel tank. Its safe to say every Mack and Volvo will have the problem. Salesman is telling me that it is not a common rail system. Jul 28, 2015 · The doser fault refers to your 7th injector, FMI 12 will set when the DPF pre-filter temperature does not get hot enough for regeneration to take place. In the class there were also techs from some Volvo dealerships. Any questions feel free message us PRODUCT DESCRIPTION. 2013. Release Page This service bulletin replaces bulletin 214-93 dated 5. The lines to and from the 7th injector and after treatment fuel shut off valve. The fault code will sometimes lead you to believe that the problem is with the 7th injector; however, in reality, there is an issue with the AHI module. Understanding its components can help in maintaining and troubleshooting your engine. Basically the injectors move very slightly and compression leaks pass the tip and gets in the fuel system causing hard starting and and low power. It wasn't, truck runs just as awful with a new set in but that's a different story. Date Number Page Service Bulletin 08/03/09 SB222017 3(8) 1. I had all 6 programmed into the computer originally last year and months of 0 problems however with the constant issues I’m having now with this limp mode and pumps I’m hesitant to keep making appointments down Mack to get the next replacement programmed. all codes left that were on next day same doggie isnt happy i call mack tech an Sep 12, 2024 · Mack discovered that one of the biggest challenges to designing a practical diesel engine for trucks was the ability to control peak pressure in the cylinder for durability and provide for a useful R. Any thoughts? Feb 14, 2019 · im not getting a code put new 6 injectors and 6 reman eup pumps in a 2000 mr688s 350hp. Pulling an Injector from A Mack engine Feb 7, 2019 · I’ve got Mack chi 613 with an mp8 that’s blowing coolant out the overflow hose of the coolant tank mounted above the radiator. Oct 28, 2021 · The unit injector brings pressure generation and injection together in one compact part. well traced it back and found pin 1 on injector 2 was shorting out that whole Jun 6, 2019 · 1983 Mack E6 350 injector pump issues. 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 Sep 7, 2024 · To diagnose injector problems in Volvo MD13 and Mack MP8 engines, you can follow step-by-step diagnostic procedures such as visual inspections to check for leaks or damages, fuel pressure tests to ensure proper fuel delivery, and electronic scans to assess the injector performance electronically. Jun 10, 2018 · I was told by the shop manager that the 2019 injectors are on a common rail fuel system. Any ideas on how I can verify this myself. for service procedure. They said Fuel pump was bad had injection pump rebuild and would only stay on with starting f Mack Model LEU LR MRU - TerraPro CHU - Pinnacle, Axle back CXU - Pinnacle, Axl , , , , e front, GU - Granite Mack Models Title ** Tech Tip ** TT - 019 - 2015 OBD2015 HDE 11 ( Model Year 2016 Truck ) Injector Fault Codes P0201 To P0206 FMI 13 ** SOLUTION ** Solution K27240982 Thursday, August 29, 2019 9:13:11 PM CEST Mar 9, 2024 · The MP7 is an 11-liter engine available in the three Mack engine families — Econodyne, Maxidyne and MaxiCruise — in six horsepower ratings between 325 and 405 hp, with torque ranging from 1260 to 1560 ft/lb. Cut the tie wraps that secure the unit injector harness to the cylinder head. There is a 10 digit # on the pump name plate, if it ends w/ 203 or 211 you got one. These tools and procedure replace all existing tools and procedures for conical engine injector and stainless steel sleeve replacement. Less than 1500 miles later all the same codes came back engin derated to 5mph. Jul 28, 2017 · Good afternoon guys. Repair: he problem appears to be resolved. Try unplugging #2 and running the engine at idle. 2014 230 256 06 3(10) Air in the fuel being supplied to the engine can cause a number of problems including hard starting and poor performance. Don’t be! All of our remanufactured injectors are made in the USA, so you can have peace of mind that you’re getting the quality you deserve. Dec 7, 2017 · I know that you are looking for a good reason for your problem to not be injector/cup related and I don't blame you. The injectors sit inside the cups. This part is primarily made for a Mack MP8, production years 2020-2022, and comes with a One Million Miles or One Year Warranty. Jan 7, 2021 · 2011 mack MP7 came in the shop with a bad misfire, unfortunately this bad injector was only the beginning of the real problems. Sep 25, 2014 · yesterday the truck ran fine. Secure the puller by screwing down the screw toward the inner cup of the injector. By Roscoetaggart June 6, 2019 in Engine and Transmission. It requires a gov. Refer to Group 211. The fuel filter housing the fuel lines to and from the tank. Mack needs to fix some issues with the guided diagnostics in tech tool, it never mentioned anything about that as a possibility for the code I had. is there a mechanically test to perform to eup to see if thats it or the injector? Thanks for any help!! Fuel injectors are essential components in diesel engines, responsible for delivering precise amounts of fuel to the combustion chamber. Feb 10, 2018 · I decided to put a new set of injectors in, just to see if that could have been my problem. Each injector is tested carefully for fuel deliver, fuel injection pressure and timing to ensure superior PRODUCT DESCRIPTION. If the injector is stuck in the sleeve, the puller can be damaged by the slide hammer. M. They say it is the seventh injector. After running the truck kinda hard ( colorado and wyoming). The service bulletin describes important tools and procedure for engine injector and injector sleeve replacement. No complaints for quality. Back in 2008 I went to a Mack engine class on the then new MP engines. 2013 237 61 01 1(4) Engine Injector and Sleeve, Replacement (Conical) Checklist MP7, MP8, MP10 Engine Injector and Sleeve, Replacement (Conical) Checklist CAUTION This checklist is not a substitute for Service Bulletin 237-60 dated 9. We’ve replace the fuel filters. After catching a ride from a friend back to houston they call me today the next day and have it figured out. Share Apr 21, 2009 · Hello-I am working on a 92 CH613 with a 400 E7. This is a Remanufactured, Tamerx Injector Cups, Tamerx part number 21515329-2 ( OEM Part Number 21515329 ). Allow the fuel to drain int. Loosen the fuel line at the filter housing to allow fuel to drain. 5Remove the valve. This is a Remanufactured, Tamerx Fuel Injector, Tamerx part number 85150350IR-2 ( OEM Part Number 85150350 ). Release Page Service Bulletin 8. Mack Fuel Pump Mack Trucks, Inc. INTRODUCTION ABOUT THE MACK MP7 ENGINE [200 EA] The MACK MP7 is a 700 CID (11 liter) engine with unit injectors, a cooled Exhaust Gas Recirculation (EGR) system and the Holset Variable Geometry Turbocharger (VGT). Oct 26, 2017 · I note about 20-30% lower price as an average. Facebook; Twitter; 1983 Mack E6 350 injector pump issues. Disconnecting the injector will remove it from the bank. Like I said I've been having a number of problems with this truck for a few months now, dropped about $12000 in repairs just to keep getting the same truck back. I just recently had the head gaskets replaced and now the fuel injection lines on cylinders 1 and 2 are leaking. Release Page Service Bulletin 6. There is a oring around the top nut and one around the part the line screws on and seals on the inside of the big nut. Jul 27, 2022 · 186000 miles on a gu813 mp8 and i have had mack come out to help me with this troubled dog we cleaned 7th injector and replaced air valve at def pump regen went ok took for ever to get above 840 to 900 degrees . Injector Solenoid Test: Results: There is not an electronic problem with the injectors at this time. We are starting to look for another truck and really don't know what to look for. Oct 13, 2023 · hey guys, have a 2020 LR with an MP7 in it. How much pressure I don't know, and I don't know how to tell; (which could be the problem also not enough pressure). There The Mack MP7 fuel injector ensures that fuel is burned more completely, reducing harmful emissions and helping the engine comply with environmental regulations. Trucks Greensboro, NC USA Date Group No. 99 volt, and one 4. Unfortunately you are prolonging the wicked truth. I stop at a red light or stop sign, and in take off all of a sudden I have power loss, like the truck Mar 21, 2007 · 1993 Mack RW713 Superliner E7-350 Jacobbs Jake 8LL 20/58 Camelback 12R 24. The lines to and from the fuel pump. With the addition of a Diesel Particulate Filter (DPF) Jul 28, 2015 · MV has blamed the problem on everything from dirt getting in the tanks thru uncovered tank vents to fuel and fuel pressure related to the current emissions requirements. $1484 to fix. Back in December I replaced #4,5,6 injector lines. Mack has been warrantying the lines but I'm really growing tired of replacing them every few months. Some dash switches are 50+% less than Mack counter price. It started doing this 3yrs ago. hsyu txnff amrkg vtdea uhijqpf lyft dysfy vwryg bkfomhzdj mksuqo