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Mack mp7 fuel rail pressure sensor location?
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Mack mp7 fuel rail pressure sensor location?
Date Number Page ampaign have experienced faults with the Electronic Pressure Relief Valve (EPRV). Driver said truck loses power when it comes on. May 28, 2008 · Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables View and Download MACK MP8 instruction manual online. Jul 28, 2022 · Look to the right of the engine ECM. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. We carry a full selection of O and aftermarket parts for your sand car or VW powered street car. Hopefully you just need a new. Mack MP8 Diesel Engine EPA07 Service Manual EquipManuals com. There is also programming via an acc kit that must be done. It was a common problem and we had all ours replaced with a new updated part number solinoid and also harness. to help improve the content of this article. Model Cv713. I was wondering how involved changing the fuel rail pressure sensor is? I'm just worried about leaks, residual pressure in the system, what's the torque spec. MP MACK FUEL SYSTEM - Free download as PDF File (txt) or read online for free. has made many major improvements to this E-Tech™ Service Procedures Manual, with changes to both content and organization. EGR Differential Pressure Sensor, Replacement W2005779 This information covers replacement of the engine exhaust gas recirculation (EGR) differential pressure sensor on MACK MP7 engines. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Disconnect any sensors, cable ties, P-clamps or harness bolts blocking access to the hot side fuel line. Mack Mp7 Engine Diagram Circuit Diagram Maker. As far as low fuel pressure, remove the rear fuel filter and look on the bottom of the fuel filter housing and using a Phillips screw driver remove the orange flapper and spring and clean out the fuel inlet. The short internal wiring harness that runs between the connector on the lower section of the two-piece valve cover and the pressure sensor. May 28, 2008 · Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables View and Download MACK MP8 instruction manual online. Put on the engine cover and reconnect the negative cable to the battery7 Powerstroke to a test drive. Experience: Owner at DJ Wilson Gender:Male. Secure the rail pressure sensor wire harness to the connector body with a cable tie to keep the harness away from the valve train. Follow the signs to Sailboat Cove. Sep 15, 2022 · With this fault, it will need the EPRV bypass. Tamerx Fuel Injector ( 85142311RM-2 ) has application for: Mack MP7, 2010-2014, OEM 85013719. The ASET has 2 sensor, cant remember if the Etech had 2. We carry a full selection of O and aftermarket parts for your sand car or VW powered street car. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. The Electronic Control Unit (ECU) uses this data to regulate fuel injection into your engine. When you are looking at the top of the tank it is the only sensor that is mounted and goes inside the tank. There is also programming via an acc kit that must be done. The top one is the crankcase pressure sensor. This part is primarily made for a Mack MP7, production years 2004-2007, and comes with a One Million Miles or One Year Warranty $100. Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit High Exhaust Aftertreatment Fuel Pressure Sensor Exhaust Aftertreatment Fuel Pressure Sensor Circuit High Rules for Replacement Check AHI Pressure Sensor Electrical Connector and wiring harness We have a 2018 MACK LR613 MP7 with code P2A1F Injection Pump Fuel Metering Control "f" Range Performance. Mack Mp7 Fuel System Diagram ? Reveurhospitality com. This document provides an overview of the design and function of the fuel system on Mack MP7, MP8, and MP10 US2010 emissions engines. We've noted before that more megapixels don't mean a better camera; a better indicator of photo quality from a camera is its sensor size. Follow the signs to Sailboat Cove. Follow the signs to Sailboat Cove. There is also programming via an acc kit that must be done. This document provides an overview of the design and function of the fuel system on Mack MP7, MP8, and MP10 US2010 emissions engines. Shipping Options: 1 Day, 2 Day, Ground Made in USA. Drake38 and NickFST3 NickFST3. May 14, 2019 · I have a mack mru613 with an MP7, this unit has been having an issue with Aftertreatment fuel pressure 1 circuit/range performance. It was a common problem and we had all ours replaced with a new updated part number solinoid and also harness. We've shown you a couple of ways to fix your posture and why it's so important. So fuel psi should be at 60 + at idle and go up as rpms increase. Fuel System. Fuel Rail Pressure Sensor; N45 Fuel Injector Pump; John Deere5L5L. Shipping Options: 1 Day, 2 Day, Ground Made in USA. Some MACK vehicles built with MP7 or MP8 engines between 11/14/2016 and 05/04/2020 may experience internal leakage or an electrical fault of the Electronic Pressure Relief Valve (ePRV). The fuel pressure sensor is responsible for tracking the fuel. springerj10. we have replaced the fuel supply line and all fuel lines on the motor, also injector cups and injectors have been done 3 times in the last 50,000 mi by the dealer. Mack e7 2002 subject change february2000 mack e7 (stock #13075) Mack e7 fuel pumpFuel pressure sensor for mack replaces # 20898038 mp7/mp8. Sep 29, 2019 · Mack mp7 low fuel pressure fix Feb 17, 2021 · A bulletin just came out about adding the sensor to some year models. See more Mack 21634021 Oil Pressure Sensor; Share | Add to Watchlist Have one to sell? Sell now. The Buggy Shop is a world renown premiere sandrail manufacturer, service center and supplier. Truck has 55,000 miles and about 2200 hrs. P0191 is typically caused by a bad fuel pressure sensor, fuel pressure regulator, or an. It describes the key components of the fuel system, including the fuel pump, filter housing, injectors, and how fuel is drawn from the tank and delivered to the injectors under electronic control. Our Online Store makes your purchase experience smooth and enjoyable. Start the car with the fuse removed let it idle and stall, then the rail pressure should be low. Tamerx has a great selection of Mack MP8 Fuel Pressure Sensors. He has had the fuel pump, fuel filter base and fuel filters replaced. Specification is 32 PSI ( 221 kPa ) Any contamination such as oil or water, restriction or other debris in the AHI purge air line. 4 posts · Joined 2017 Having trouble locating the ICP sensor for my 6 Everything I look up points me to 6. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. Greetings to all the members of this esteemed forum. The HP pump fuel rail pressure peaks and maintains 1900 to 2000 PSIG when under moderate or heavy. If you need to you can remove the entire fuel rail to get access. We build our own sand rail frames, dune buggy frames and woods cars and can do custom work to your specifications. 81150 or 22058 to the pin and socket terminals. Sometimes it won't start and now quits while going down the road. High Pressure Fuel Pump; 4 4 High Pressure Fuel Pump;. The top one is the crankcase pressure sensor. The Electronic Control Unit (ECU) uses this data to regulate fuel injection into your engine. Apply a liberal amount of locally purchased, Permatex Dielectric Grease part no. A visual Inspection of the FRPS electrical connector will indicate which sensor and wiring harness is on the vehicle. This is a complete manual, describing engine features and the operation of major systems as well as providing comprehensive overhaul procedures, specifications and adjustments. Shipping Options: 1 Day, 2 Day, Ground Made in USA. (High fuel pressure too low) • Fuel rail pressure does not reach 13 kg/cm2, 188. 2010 Mack MP7 Engine Service Information Repair. Just like with a bad MAF sensor, the result is improper combustion. and/or P016E-00, Fuel Rail Pressure Sensor (RPS) and wiring harness, Replacement. It seams to be dripping from where the sensor threads into the rail body. I cannot locate the air governor. juul news Start the vehicle and check for proper operation; use the Tech Tool to check and clear any diagnostic trouble codes (DTC). This Maintenance Manual covers all MACK vehicles manufactured by MACK Inc. This part is primarily made for a Mack MP7. Satisfied Customers: 17,011. So fuel psi should be at 60 + at idle and go up as rpms increase. Fuel System. to the highest of OEM standards, and improvements are often applied to the original design in the remanufacturing process. If you’re experiencing issues with your car’s speedometer or noticing erratic behavior in your vehicle’s transmission, it could be due to a faulty speed sensor. Before we dive into. Our Inventory is: In Stock and Available, Fast Delivery Options, Made in the USA. To diagnose a bad fuel pressure regulator, follow these steps: Locate the Fuel Pressure Regulator: Pop the hood and find the fuel pressure regulator. Instead they use a PWM fuel pump to regulate pressure based on the signal from the pressure sensor on the fuel rail. we replaced the sensor but the same result we see fluctuating pressure readings and at times it goes down to 0 psi for 20-30 seconds and starts to rise back to 59 psi Replace the following parts: The Fuel Rail Pressure sensor. Air Intake & Fuel Sensors; Share. The process of diagnosing fuel rail pressure issues typically involves the following steps: Visual Inspection: Begin by visually inspecting the fuel system components, including the fuel rail, fuel lines, fuel pump, and fuel filter, for any signs of damage, leaks, or wear. inner child and ptsd Oil Pressure Sending Unit Fuel Pressure Sensor. • Fuel rail pressure remains at 87 kg/cm2, 1232. It indicates that the fuel rail pressure sensor is receiving a signal that is outside of its normal range. The short internal wiring harness that runs between the connector on the lower section of the two-piece valve cover and the pressure sensor. Our 2009 MRU with and MP7, we pressure tested the cooling system and took off the return lines on the fuel tank and fluid (coolant/fuel) was coming out of the return lines. W3133365 Mack Body Builder Instructions PI / CHU, AN / CXU, GR / GU, TD, LR, TE / MRU, Section 8 USA141896628 Date 3. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. There is also programming via an acc kit that must be done. May 14, 2019 · I have a mack mru613 with an MP7, this unit has been having an issue with Aftertreatment fuel pressure 1 circuit/range performance. If you drive a relatively new car, there are usually a few sensors and cameras in place to help keep you safe. Description SERVICE MANUAL MACK V-MAC II (MP7 2007) Diagnostic and Repair Manual Aimed at: Workshops or Individuals 553 PID: 157 SPN: 157 FMI: 16 Injector Metering Rail 1 Pressure- Data Valid Above Normal Operating Range- Moderately Severe Level Cumminz Rated 0 out of 5. There is also programming via an acc kit that must be done. content is NOT recommended by Mack Trucks, Inc. The Mack MP7 and MP8 engines are known for their robust performance and reliability in heavy-duty applications. Sensor is used by the ECM as a part of the calculation for the % duty cycle applied to the Fuel Pressure Control Valve and Fuel Quantity Control Valve. Call us for personal service 620-662-4557. The MP7 underwent some revisions in its time in production, namely in 2010 when SCR (Selective Catalytic Regeneration) was introduced. Need a Ruby on Rails development firm in Australia? Read reviews & compare projects by leading Ruby on Rails developers. Then returns to normal. The part number has been updated several times due to high failure rate of early ones. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. May 28, 2008 · Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables View and Download MACK MP8 instruction manual online. pierson tiktok I have a 2020 mack mp8 with engine light on i have codes… i have a 2020 mack mp8 with engine light on i have codes p0087, p008a iv tried cleaning fuel supply lines an new filters but still surges when driving when looking at fuel supply psi at idle only has 30 psi seem to be very low Answered in 2 hours by: Technician: Mike Mcmillan Page 1(16) Air in the Fuel System, Check MP7, MP8, MP10 This information covers checking for air in the fuel system on the MACK MP7, MP8 and MP10 engines. , including the whole chassis and all MACK manufactured components. 23488939, which is a Delphi component with its own part no We've put that sensor in, changed the harness, done an EPRV delete, and this still happens. , including the whole chassis and all MACK manufactured components. MP7 engine pdf manual download. May 28, 2008 · Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables View and Download MACK MP8 instruction manual online. 6L just came in this morning and right after I noticed, the car randomly shut off. I don't know if your pressure gauge is electronic, or mechanical as have no experience with the newer engines but I'd replace your existing gauge with a mechanical one and verify the problem actually exists 1. A product improvement has been made to the Fuel Rail Pressure Sensor (FRPS) and its wiring harness. Truck has new injectors and has been to mack and they say all boost and fuel pressures are correct But truck wont go like it used to This fuel pressure sensor is very easy. You can buy a complete rail with sensor for around 150 more than what the sensor alone cost. railing, if you’re having trouble deciding between the two, this guide can help you! Expert Advice On Improving Your Home Vid. last time it was in here I verified that I have fuel pressure at the sensor. When the motor stumbles, my boost pressure goes from let's say 33 to flat line. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. Field Service Bulletin Trucks. 3525 Carson Street, #165, Torrance, CA 90503 in Del Amo Fashion Center It's worth a stop if you are in the Santa Clarita area 15825 Sierra Hwy.
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Make sure that all openings are completely filled3. The parts for 2011 Mack Pin. USED GOOD USED MACK MP7 OIL PAN Part Info. The fuel filter housing had rotted away and the cooler ends were barely there. We build our own sand rail frames, dune buggy frames and woods cars and can do custom work to your specifications. 7008 posts · Joined 2009 Just an fyi, the fuel rails are bad about leaking once you R&R a sensor or FPRV. In the morning when I try starting it, it will fire and idle for what seems like less than a second then dies. As far as low fuel pressure, remove the rear fuel filter and look on the bottom of the fuel filter housing and using a Phillips screw driver remove the orange flapper and spring and clean out the fuel inlet. The first fuel pressure sensor is at the fuel tank. Using conventional wrenches and sockets, a tech needs to remove the EGR cooler and heat shield (s) to gain access to the sensor. Select delivery location. A fuel pressure gauge in combination of IDS would be my first tool to test/monitor the fuel pressure. Apply a liberal amount of locally purchased, Permatex Dielectric Grease part no. This is a generic code, which indicates that it has the same meaning for the Nissan Juke as it would any other vehicle. The oil pressure sensor for the Cummins N14 Celect Plus is located on the engine block, near the pan rail, on the fuel pump side of the engine. Category: 060000 ENGINE AND ENGINE COOLING. texas lottery online games the customer has already replaced the sensor once. This is a Remanufactured MV Power Fuel Injector, MV Power part number 85003711RI-2 ( OEM Part Number 85003711, 85013147 ). , including the whole chassis and all MACK manufactured components. Note: This service bulletin also applies to Mack Trucks Australia. As far as low fuel pressure, remove the rear fuel filter and look on the bottom of the fuel filter housing and using a Phillips screw driver remove the orange flapper and spring and clean out the fuel inlet. 2012 255 42 03 5(23) Fluid Contamination - Oil and Fuel CAUTION Oil and fuel in the DPF can cause uncontrolled tempera-ture in the DPF which can melt and crack the media in the DPF element. I have a 2008 granite with a MP8. PAGE 74 This is a Remanufactured, Tamerx Fuel Pressure Relief Control Valve, Tamerx part number 22720232TX-2 ( OEM Part Number 22720232 ). s with MP7 EPA2010 engines. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory VehicleHistory. Fuel Injector Pressure Control Sensor. No links or attachments available Assure there are no opens or shorts of the Fuel Rail Pressure Sensor circuit in the 3 external wires from the valve cover pass-through connector to the EMS module. Bottom one is oil pressure sensor. I took a chance and replaced it nontheless and the car runs fine and iidtool shows the sensor reads the pressure with no problems. For additional warranty info Click Here. jayla fox popeyes video process: Replace the following parts: The Fuel Rail Pressure sensor. Posted 12/21/2019 20:06 (#7922682) Subject: 2003 Mack CH613 Engine Oil Pressure Sensor Location?? Near Richmond, IN I've got a 2003 Mack CH613 that the oil pressure gauge dropped to zero at any speed. Sep 15, 2022 · With this fault, it will need the EPRV bypass. Rcasarez2 New Member Look on passenger side of engine close to firewall on fuel rail Typical Rail pressures for a GDI system may be: From 500psi (3450KPa) @ Idle to approx. Our Inventory is: In Stock and Available, Fast Delivery Options, Made in the USA Fuel Rail Pressure Sensor; N45 Fuel Injector Pump; John Deere5L5L. Says fuel rail pressure sensor circuit low input. Mack mp7-mp8 sensors 2010[diagram] wiring diagrams for mack trucks Mack mp7 engine load sensorWiring diagram index. MV might be calling it common rail but the only thing common is the new engine still uses IU'S to make the fuel pressure off the cam. Some MACK vehicles built with MP7 or MP8 engines between 11/14/2016 and 05/04/2020 may experience internal leakage or an electrical fault of the Electronic Pressure Relief Valve (ePRV). Need a Ruby on Rails development firm in Bengaluru? Read reviews & compare projects by leading Ruby on Rails developers. Manuals and User Guides for Mack MP7. A critical component in maintaining these engines' efficiency is the EGR (Exhaust Gas Recirculation) valve gasket. A pressure sensor is a device for assessing fluid pressure. P0191 is a common OBD-II code. It indicates that the fuel rail pressure sensor is receiving a signal that is outside of its normal range. , including the whole chassis and all MACK manufactured components. This Maintenance Manual covers all MACK vehicles manufactured by MACK Inc. wall mart com last time it was in here I verified that I have fuel pressure at the sensor. Jul 28, 2022 · Look to the right of the engine ECM. Removed and checked for debris in fuel lines going to ECM cooling. View and Download Mack MP7 service manual online. RPM: 1000 /min1 %0 km/h0°C. Bottom one is oil pressure sensor. Related links and attachments. MP7 Engine Similar 1 Fuel Filter 2. Intake Manifold 10. boost pressure sensor location on Mack MP7 2007 Mecanicogt 2. Jul 28, 2022 · Look to the right of the engine ECM. As far as low fuel pressure, remove the rear fuel filter and look on the bottom of the fuel filter housing and using a Phillips screw driver remove the orange flapper and spring and clean out the fuel inlet. Indices Commodities Currencies Stocks Get ratings and reviews for the top 12 moving companies in Mack, OH. Get ratings and reviews for the top 7 home warranty companies in Mack, OH. We carry a full selection of O and aftermarket parts for your sand car or VW … The oil pressure sensor on a Cummins engine is located behind the ECM harness on the driver’s side. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. last time it was in here I verified that I have fuel pressure at the sensor. The Questions and Answers on this page are the statements and opinions of their respective authors and not VehicleHistory VehicleHistory. High Pressure Fuel Pump; 4 4 High Pressure Fuel Pump 00 depending on the weight of. 2-1 Coolant temp sensor. This is an older thread, you may not receive a response, and could be reviving an old thread. A pressure sensor is a device for assessing fluid pressure. This code typically applies to vehicles with an electronic returnless fuel injection system. SKU: 68247772AA Other Names: Sensor Condition: New Notes: Engines: 3. There is also programming via an acc kit that must be done.
Hi Mike,I have a 2018 Mack with codes P008700, P016F00 and P228F00. Posted September 9, 2010. Some MACK vehicles built with MP7 or MP8 engines between 11/14/2016 and 05/04/2020 may experience internal leakage or an electrical fault of the Electronic Pressure Relief Valve (ePRV). Easiest way to tell if fuel is even in the line is to squeeze the primer bulb a few times. pick 3 last 30 days midday -The engine is running. Not zero, just two dashes as if there is no reading or boost whatsoever. Disconnect the coolant hard pipe at the rear of the engine at the coupler. Usually its oil in the engine ECM connectors from oil pressure sensor, the oil level sensor or the piston cooling oil pressure sensor. ctabus tracker On May 6, the average cost for a gallon of diesel fuel in America is $5 In many locations, it's co. an independent, full service Mack dealer. 2021 Mack MP7 loses fuel pressure under heavy. You have a circuit code for that sensor and the PCM uses data from it along with other data to control ignition timing and pulse width. k14637412 p016e-00 p0194-00 p019400 p016e00 mack volvo. " If fuel pressure isn't right I'd also be looking at the fuel filter and checking the pressure on the rail. This Code Sets when the Motor Control Module (MCM) Detects that the Fuel Compensation Pressure is Lower than 358 kPa (52 psi) for GEN1 and 399 kPa (58 psi) for GEN2 for 10 Minutes when Dosing is Enabled. Monitored Parameter. For specific maintenance information on vendor components, see the respective manufacturers service and maintenance literature. manitsuki happening I replaced the fuel filter head and filters, one check ball was sticking Replaced the "pressure regulator" on the return side on top of the head, still did it. The Buggy Shop is a world renown premiere sandrail manufacturer, service center and supplier. If you pull the air cleaner housing at the throttle body, you will be able to see the fuel pressure sensor. k14637412 p016e-00 p0194-00 p019400 p016e00 mack volvo.
P0191 is a common OBD-II code. It indicates that the fuel rail pressure sensor is receiving a signal that is outside of its normal range. com: fuel pressure sensor mack truck mp8 mp7 21540602 tkb 70. FUEL RAIL PRESSURE SENSOR LOCATION REPLACEMENT KIA SORENTO, KIA SPORTAGEIf you have Kia Sorento Sportage and you need to replace fuel rail pressure sensor or. The oil pressure sensor for the Cummins N14 Celect Plus is located on the engine block, near the pan rail, on the fuel pump side of the engine. They provide convenience, security, and energy efficiency. Install the new pressure sensor and tighten the mounting hardware with screws. May 28, 2008 · Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables View and Download MACK MP8 instruction manual online. May 14, 2019 · I have a mack mru613 with an MP7, this unit has been having an issue with Aftertreatment fuel pressure 1 circuit/range performance. This Maintenance Manual covers all MACK vehicles manufactured by MACK Inc. Verify sensor calibration for precise readings. Rcasarez2 New Member Look on passenger side of engine close to firewall on fuel rail Typical Rail pressures for a GDI system may be: From 500psi (3450KPa) @ Idle to approx. We carry a full selection of O and aftermarket parts for your sand car or VW powered street car. The top one is the crankcase pressure sensor. I've got a 2003 Mack CH613 that the oil pressure gauge dropped to zero at any speed. round end tables we replaced the sensor but the same result we see fluctuating pressure readings and at times it goes down to 0 psi for 20-30 seconds and starts to rise back to 59 psi Replace the following parts: The Fuel Rail Pressure sensor. 17 Fuel pressure sensor (low pressure system) marc hanna. 2 psi) when checked with VCADS. c-mac. black smoke only when shifting. To address this issue follow the repair outlined within this bulletin to remove the EPRV, inspect the Fuel Rail Pressure Sensor (FRPS) Locations and part numbers for sensors used on MACK MP7 (US07 only) and MP8 engines are outlined in the following illustrations and part number tables. P0191 is typically caused by a bad fuel pressure sensor, fuel pressure regulator, or an issue with the fuel rail pressure sensor wiring harness. Remove the plug from the lower right side of the flywheel housing and install the flywheel turning tool. Fuel pressure sensor location ? help! I have an 09 Audi A8L. Exhaust temp with one and oil pressure and temp with the other two. Tamerx Fuel Rail Pressure Sensor ( 7450706TX ) has application for: Doosan D18, D24, 2014-2020, OEM 7450706. Greetings to all the members of this esteemed forum. My truck is loosing some pulling power and I recently changed the boost sensor that sits in the egr cooler because it was coated with balck soot and not working properly Low pressure sensor is on fuel lines on drivers side of engine if front of the fuel filter just about on top of the valve cover. bmw carsales Sometimes the oil cooler thermostat shorts out and also sets a code for the piston cooling thermostat because the share some of the same wiring, I know the newer. It was good for 7 mon … Volvo Title: Electronic Pressure Relief Valve (EPRV) Delete & Fuel Rail Pressure Sensor Update Summary: Volvo Trucks has identified through Remote Diagnostics that the vehicles in this Service Campaign have experienced faults with the Electronic Pressure Relief Valve (EPRV). Mack Trucks, Inc. Follow the signs to Sailboat Cove. The sensor monitors engine crankcase pressure to warn of crankcase pressure system failure. I've checked air supply pressure, checked air tanks, checked hoses for blockage, sensor on ahi reads correct. We have 2 Mack MP7 manuals available for free PDF download: Service Manual, Body Builder Instructions. This is a common problem on the model year 16-20 engines on these. You could have a couple of issues going on You have a bad high pressure fuel pump You have a bad pressure sensor on the fuel rail You have corrosion on the connectors to the pressure sensor. 2. FITS 2013-2018 MACK MP7 MP8 MP10 VOLVO D11 D13 D16 ENGINE EGR PRESSURE SENSOR On 3/8/2022 at 8:23 AM, Mackpro said: Replaced lots and lots of the oil thermostats on MP7 and MP8's. Disconnect the coolant hard pipe at the rear of the engine at the coupler. The fuel filter housing the fuel lines to and from the tank. 8L, 395C hp, engine family 9VPTH10.