Paccar losing prime forum Nich M. Current time: 04-26-2025, | Shoutbox Hello There, Guest! Just recently purchased two 2016 t660’s with Paccar mx-13 epa13 engines. Current time: 03-28-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. Reddit vs PC Part Hi i need some inputs on the 2016 peterbilt 579 It has paccar 455 HP 10 speed auto it has 450000 miles on it. Joined Us: 6 years, 8 months ago. Clean air filters and fuel filters frequently. Jun 28, 2009 las vegas, nv 0. Understanding the common problems such as fuel injector failures, turbocharger malfunctions, and EGR valve issues and knowing how to resolve them can keep your truck on the road longer and reduce costly downtime. Most of the time they are plumbed, so that engine shares coolant with the APU. If it's still losing prime I will probably then tear the IP out for service. I would start by checking fuel pressure decay Customer: Loosing prime on my mx 13 after I swapped fuel filters runs like a top once I get it fired up but if it sits 10 min I loose prime. No problem before oil change 1. Forums. It started limping do to low feul pressure during power enrichment ( I know, but I already have a race plug). Thetrashnoob, May 21, 2020. Specialities include: Heavy Equipment, Medium Paccar MX13 loosing prime - ekeller2: 12/14/2019 12:32. PACCAR bowl filled up instead of being almost empty like before. The primary housing shouldn't allow fuel to return to Having air getting my system somehow in my paccar MX 13 engine. . Thread starter heymccall; Start date Jul 30, 2021; heymccall Senior Member. Yeah it should get up to 29-30,000. I’d have to prime the There are a million ways to lose prime it would seem. Many of the first Paccar engines had problems (as did all manufacturers trying figure out how to deal with emission requirements). Rawze Forum Reject (14399 Likes) Posts: 11,652 Forums. Sep 1, 2017 0. Current time: 04-24-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. PACCAR reserves the right to discontinue, change specifications, or change the design of its vehicles at any time without notice and without incurring any obligation. One of the responses was to check the return line and make sure it had no air/vacuum leak and to insure that the return line was to the bottom of the tank to insure it stayed in the fuel. Forums > The Garage > Trucks [ Eighteen Wheelers ] > Heavy Duty Diesel Truck Mechanics Forum > Style well, I'm everywhere this week. Yeah it should get up to 29-30,000. Current time: 06-23-2024, | Shoutbox Hello There, Guest! Today, (Subject: Losing prime overnight/fuel pressure problem ) Post: #1. Empty or loaded did not matter. There seems to be n So the situation of extended cranking to fire has been getting steadily worse. Thanks again, I will keep posted on what I find. There is air in the system and we have checked and or bypassed everything but the final pump and fuel rail and have even put our own pump in line and it still makes air. In Forums. RE: Paccar MX13 loosing prime - dewgubbe: 12/14/2019 15:08. First one changed the fuel doser and def doser no codes runs great and regen is working now. Can anyone get me a way to prove out which side of the system is leaking or bleeding back to the tank? Today I went over and wouldn't start again. (previously multiple Def codes). Joined Jan 4, 2015 I prime mine 5 times with ignition shell start but then die out and the mechanic has to prime it in order to start her. A few months ago I tested itand it got up to 30k But then it would drop like a stone so I changed the relief valve and it was better. Customer: Mx13 Paccar EPA 13 is losing prime after turning off. For more vide TruckersReport. The idea behind being able to pump fuel from the tank without filling filters, is that you can do so and be going again in minutes. Let’s dive into the innovative design elements that set the PACCAR MX-13 Engine leagues apart. One of the most often asked questions I receive is “How do you start a Paccar without it Throwing a Code, If you're losing prime then the fuel system is sucking air or returning too much fuel to the tank. Rawze Forum Reject (14389 Likes) Posts: 11,643 Trucker's Forum ; General Category ; Kenworth T680 MX13 lost fuel pressure and now DPF is fried. fuel tank at half full. They are just another part that wears out. Prime the fuel system and i Not sure if this is pertinent or not but in the last few days I was reading on another forum about a truck losing prime at a 1/4 tank and less. I had no fuel leaks any where. Forums List-> Machinery Talk: Message format . Current time: 01-10-2025, | Shoutbox Hello There, Guest! (Login — Register) / ISX Related Help / Losing prime overnight/fuel pressure problem. Current time: 04-18-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. Customer: We have a 2009 Kenworth sewer truck with a Paccar PX8 engine. Forums > Losing power up hill on my KW with paccar mx 13 Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Gzusgardey, Nov 10, 2018. Current time: 04-23-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. Popped for a second, quit, no amount of cranking will start it. Jump to forum : Search this forum Printer friendly version E-mail a link to this thread I was able to get my hands on some official crank no start diagnostics from the Paccar overlords. 5 psi so I don't think that's the problem. Jump to forum : Search this forum Printer friendly version E-mail a link to this thread MHH AUTO TruckersReport. Paccar mx 13. Paccar had some issues in the Pete's about 2012 in manuals, I believe. repeat process 6 to 8 times must keep at high idle to have any chance of keeping it running. Thread starter Tyry15; Start date Mar 15, 2019; Status Not open for further replies. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! RE: Losing prime overnight/fuel pressure problem - Skman - 06-24-2024 (06-24-2024 ) walterk Wrote: Not sure if 2250 is the same as 2350, but 2350 should easily build 30000 psi during the test, at least mine does. Jump to Latest Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting, maintenance, and more! Anybody had problem mx13 losing prime for a split second thanks It helps pay for the $790/month internet bill that the forum consumes. Tanks are full of fuel I see no leaks, I did pull the check ball out and it’s made no difference. I need where the Paccar mx13 looses prime when try to start a t a stop It helps pay for the $790/month internet bill that the forum consumes. Used Oil Analysis - Diesel . Page 1 of 2 1 2 Next > Aug 12, 2013 #1. Gzusgardey Bobtail Member. Expert. Used the paccar filter in the primary and a fleet gaurd on the other. Pages (2): 1 2 Next If it's still losing prime I will replace the lines and the fuel pump. Again, that was a "change year" as DEF was being put on the trucks. Rawze Forum Reject (14353 Likes) Posts: 11,599 It helps pay for the $790/month internet bill that the forum consumes. 1 0 TruckersReport. Rawze Forum Reject (14391 Likes) Posts: 11,645 Customer: 2009 KW t 370 Paccar engine loses fuel prime after statrting cold overnight in the 20s. I replaced all fuel filters and I also replace two fuel lines in the passenger side Having a issue with a 2012 paccar mx13 loosing fuel prime when idling. 06-27-2024, (Subject: Losing prime overnight/fuel pressure problem ) Post: #9. 1,658 885. STS1SS Bobtail Member. Im thinking dark nights , hostile situations. ekeller2: Posted 12/14/2019 12:32 (#7906780) Subject: Paccar MX13 loosing prime: So. 25,626 Satisfied Customers. Jump to forum : Search this forum Printer friendly version E-mail a link to this thread Loss of power 2013 paccar mx13 Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Btmnkarr, Dec 8, 2021. Lubrication issues can lead to serious engine damage if not addressed promptly, so it's important to diagnose and fix these issues as soon as possible. Is it a good deal and what is the fair Log in or Sign up. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Use the prime pump, and it will start right up. TruckersReport. Sep 28, 2023 0. Jump to forum : Search this forum Printer friendly version E-mail a link to this thread Customer ran out of fuel, filled tanks with fuel than Primed Fuel System. Customer: My Peterbilt 579 paccar MX13 will crank but no start we had this issue now 3 times, cleaned fuel vents, new filters, etc but now it’s cranking and won’t start after driver pulled into gas station to get fuel and clean windows anything I should be aware of? Has about 680k miles and is deleted from previous owner but hasn’t caused any issue with me. I've seen several UOAs for that engine and this report is pretty typical. If it has the arctic kit, then when it detects the engine, TruckersReport. Rawze Forum Reject (14391 Likes) Posts: 11,645 Paccar engines rely on a proper lubrication system to function smoothly and efficiently. Jonas302 Senior Member. Thread starter Grandpa; Start date Feb 15, 2014; G. LRM assesses a Paccar semi truck that was told an engine replacement was needed due to fuel filter issues. 's Comment. - Thank you again. If It can’t do an auto regen is wants a parked and even then 2 or 3 hours later the light comes on for another one. One common lubrication problem is oil leaks, which can occur due to worn-out seals, gaskets, or piston While PACCAR engines are well-regarded for their strength and efficiency, no engine is without its issues. Any ideas? Forums. After my last visit to the Pete shop(Def dpf codes) in Nashville (great job), I've stopped dead idling and if I have to idle for AC, bump it up to 1100 to 1300 rpm. @pushbroom can certainly tell us all more about it but as I understand it, Paccar purchased Daf, primarily for their engine manufacturing experience when all the brands began offering proprietary engines. I was able to replicate the issue by moving the selector to the prime mode and it would start draining the filter like it had in the past and as soon as I’d close it the air would be gone! Good luck guys I sure miss the old technology! It helps pay for the $790/month internet bill that the forum consumes. Jun 4, 2020 #10. SailNet is a forum community dedicated to Sailing enthusiasts. Truck will die, and not start till we get out and pump the hand primer. No if's or but's. Changed both filters. Tyry15 With regard to oil analyses, the Paccar MX13 is the lowest wearing heavy duty engine I've ever seen. Current time: 04-16-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. So thought I would take it to the stealer (oops) dealer. Drew Risk Disclosure: Trading in financial instruments and/or cryptocurrencies involves high risks including the risk of losing some, or all, of your investment amount, and may not be suitable for all There are only a couple companies that have that as a separate self-contained unit such as prime. I am having a very difficult time getting the system primed back up I’ve had issues for over a year with my 2017 t880 pactar mx13. com Trucking Forum | #1 CDL Truck Driver Message Board. Details are sparse, but one thing to consider is the way the trucks are driven, or programmed. Current time: 04-28-2025 fuel system stop priming. No manual priming ON A 2019 KW WITH A PACCAR PX-9 A STOPENGINE LIGHT ACODE 0556 CRANK CASE PRESSURE VALID BUT ABOVE NORMAL OPERATING RANGE. Infused with exceptional horsepower and torque, it propels Peterbilt trucks through the most demanding tasks with unprecedented strength and precision. Paccar MX13 loosing prime - ekeller2: 12/14/2019 12:32. It will then fire right up, and I got this 2015 Peterbilt with a paccar motor that I had to replace the water/fuel seperator filter and head. PACCAR. Jan 1, 2020 #1. 1. Is there anything specific I shall do to not have this problem? nunofreddy , Apr 10, 2019 Here’s a great tip for anyone working on a Paccar. New posts Search forums. Pages (2): 1 2 Next 2018, Pete 579, paccar engine, 291000. 8 0. Answered by Darwish Sunji in 1 min 4 months ago. Must wait for electric pump ans cycle it three times to restart, will die again in a few seconds to a minute or so. Aug 7, 2019 #1. Grandpa Member. Bypassed the fuel water separator and Having a issue with a 2012 paccar mx13 loosing fuel prime when idling. Aug 7, 2019 0. Paccar is the name behind very successful brands such as DAF, Peterbilt, and, if you are in Australia, Kenworth. The information contained in this manual is proprietary to PACCAR. Electrical fuel pump works like usual (I hear the sound Losing prime. After a certain level of use, replace them in line with So I have a 2012 Peterbilt 386 with a Paccar MX13 EPA 10 This Truck has always had some sort of iss I have Magic Tuner Flash Tool V3 that @Bodo. 25,592 satisfied customers. Paccar MX13 loosing prime Jump to page : 1 Now viewing page 1 [50 messages per page] View previous thread:: View next thread Forums List-> Machinery Talk: Message format . It will then fire right up, and It seems that either fuel is draining back to the tank or maybe there's an issue with the check ball assembly in the secondary filter housing. The only real paccar engines are the Mx series. Figure 3: PACCAR Fuel Blending Valve Position Run (open) Prime (closed) Clean the fuel filter screw cap (1) and surrounding area with a clean rag to ensure dirt does not fall into the fuel module (4). Also check the fuel fittings on the lines. I’d fire it up and for no apparent reason it would shut off and my fuel prime would be gone. Reactions: Truck Shop. Engine Manufacturers. Only members can see who's in the group and what they post. Quick Links TruckersReport. Oil Analysis Reports. in 5 mins 6 months ago. I keep having derate issues that stem from the DEF system, IF my truck does an auto regen it does like 4 a day. all px6 and 8's are just rebaged cummins. Thetrashnoob, May 21, 2020 #9. Steve shows you how to properly assess the truck t It helps pay for the $790/month internet bill that the forum consumes. Fuel filter Fleet guard FF5825NN, fuel water separator Paccar K37-1021, I always install that filters, bought from official stealership kenworth. 5 2. The issues is a Paccar MX13 starts up after a fuel filter change and runs for 5 minutes and then dies out. Keep getting stop engine light, and codes p0094, red engine light comes on. The problem is Fuel priming. T. So, if you have a high pressure rail system, that would be a good start. to features or equipment which are not on this vehicle. Paccar has been around for over 100 years, which means the company knows much about big-rig engines. Forums > The Garage > Trucks [ Eighteen Wheelers ] > Heavy Duty Diesel Truck Mechanics Forum > Losing prime Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by stayinback, Jan 1, 2020. A little history we have an issue with a sticking wastegate Paccar MX-13 derate issues . 3 0. I don't know why exactly they are using Paccar but I do know that they are really good with their warranty. 9 psi, and by the time my crank and cam sensor synchronize it's built about 3. Leonard1983 Bobtail Member. one thing that did stand out to me was VGT Dr, Paccar returns with another weird Paccar MX13 problem, On a 2018 KW the driver complaint is power loss or no throttle intermittently. What should i be looking for? I had it running and unplugged each unit pump and it did not die with either unplugged, fuel filters are good, weak crank but At its core, the PACCAR MX-13 Engine isn't just machinery; it's the definition of power. Customer: Paccar mx 13 looses prime after shut off. I’m a driver, I’m driving a 2018 pete 389 with a MX-13. Forums > Owner Operators > Ask An Owner Operator > Style Truckers Report Paccar MX13 loosing prime - ekeller2: 12/14/2019 12:32. Retest. Could not get to heat sensor wire on back of starter for testing. When I down shift from any of my high side gears more so It helps pay for the $790/month internet bill that the forum consumes. Members. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Page 12 If equipped with a fuel blender, turn the blender 90° counterclockwise to the prime position (2). Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs has been getting increasingly hard to start and I’ve determined that the likely culprit is that the fuel system is losing prime when the engine is turned off for more than a few hours. To give you a little background, the truck wouldn't start, I would have to prime it every morning. Now I'm getting scared it may not start at all. PLEASE HELP Truck is losing prime overnight and hard starting!! Originally founded for owners and enthusiasts of Cummins powered Dodge pickups, the Cummins Forum has expanded to include ALL Cummins Engine applications! Come join the discussion about reviews, drivetrain swaps, turbos, modifications, classifieds, builds, troubleshooting In this video I revisit the Paccar M13 Power Loss issue with air leak complaint. I replaced the injectors in February and just put a new lift pump on the truck. Visible. | Expert. Rawze Forum Reject (14385 Likes) Posts: 11,638 Has anybody run into this after a oil change on a 2020 paccar engine eninge stop light and alarm come on with in 2 minutes of engine running and oil pressure gauge reads low. Many of the grumbles I This can also be used when ever you do a fuel repair and change filters to get it to prime Mx 13 keeps losing prime. Service and maintain the Paccar MX13 engine regularly. Anyone can find this group. Paccar is not a subsidary of Cummins 2. Check the supply and return fuel lines for signs of damage like cracking or kinks. Regular inspection and tune-ups will help identify and diagnose problems that could lead to loss of power before it becomes a major issue. majestyk Road Train Member. Home State: Experienced Driver Posts: 1. Regular maintenance (06-24-2024 ) walterk Wrote: Not sure if 2250 is the same as 2350, but 2350 should easily build 30000 psi during the test, at least mine does. Jump to Latest A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. So if you are losing power intermittently as well as having a significant a How To Prevent Paccar MX13 from Losing Power. Thetrashnoob Customer: 2009 KW t 370 Paccar engine loses fuel prime after statrting cold overnight in the 20s. Thank you for that. J. Duramax First Generation: 2001-2004 (LB7) TruckersReport. 6 years, 8 months ago. kfrem: Posted 11/9/2023 17:04 (#10475418) Subject: What I've not heard of this problem with Paccar MX engines, but we've had more than our share of problems with them. So it was not losing boost due to leak. 1979 was awesome enough to post here on this forum. stayinback Road Train Member. Forums > Heavy Duty Diesel Truck Mechanics Forum > Paccar MX-13 EPA 17 Losing Boost Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Leonard1983, Oct 5, 2024. I probably should just do the whole thing, IP, new everything and be done with it, but that's expensive for me right now. What's new. I've been working alot and haven't had time to get into it really yet. Joined Feb 19, 2007 Messages 4,647 Location White Oak, Pa. People tend to Losing prime. Jan 24, It helps pay for the $790/month internet bill that the forum consumes. Forums > The Garage Commercial Truck Forums > Volvo Forum > 06 losing prime in fuel system Discussion in 'Volvo Forum' started by majestyk, Aug 12, 2013. New posts New profile posts Latest activity. IL Jump to forum : That means paccar knew of this cavitation problem and added a fix to the new separator assembly. Mechanic's Assistant chat. Current time: 04-26-2025, | Shoutbox Hello I got down to take a look and my PACCAR fuel/water separator was almost empty. My truck loses boost if i'm 2015 KW with a PX-9 lost fuel prime. I figure it's losing it's prime and the cranking is Paccar MX13 loosing prime - ekeller2: 12/14/2019 12:32. Hard starting. The poster Mx13 Paccar EPA 13 is losing prime after turning off. 2. Current visitors New profile posts Search profile It was about the same year Pete with a Paccar engine. Bypassed the fuel water separator and I have a PX8 Paccar/ cummins 73018336 in a 09 KW that will lose fuel prime after a couple of days. Skman (Online) Established (12 Likes) Posts: 81 I got down to take a look and my PACCAR fuel/water separator was We would like to show you a description here but the site won’t allow us. 25,342 Satisfied Customers. Forums > The Garage > Trucks [ Eighteen Wheelers ] > Commercial Truck Forums I just see people that say runaway from paccar but there’s got to be people that own theses trucks. Today I went over and wouldn't start again. We have a few DAF LFs that gave me the run around and some DAF XFs that have mechanical and fuel-related issues. Dec 8, 2021 #1. The It helps pay for the $790/month internet bill that the forum consumes. A lot of big fleets are using trucks (KW's & Pete's) with Paccar. Current time: 03-29-2025, | Shoutbox Hello There, Guest! (Login — Register) / ISX Related Help / Losing prime overnight/fuel pressure problem. Now I have never worked on a Peterbuilt (but have watched several repair vids online) but I have worked on a half dozen Paccar engines and based on usual components that fail with time like water pump, a/c compressor, belt tensioners, belts etc Paccar engines are extremely easy to work on. PX7 losing prime. History (06-24-2024 ) walterk Wrote: Not sure if 2250 is the same as 2350, but 2350 should easily build 30000 psi during the test, at least mine does. Forums > The Garage > Trucks [ Eighteen Wheelers ] > Paccar MX13 power loss Discussion in 'Trucks [ Eighteen Wheelers ]' started by STS1SS, Aug 7, 2019. It helps pay for the $790/month internet bill that the forum consumes. When cranking the minimum low side fuel pressure is 2. Exact filters that were on there before. Paul I. Jump to forum : Search this forum Printer friendly version E-mail a link to this thread (10-17-2023, 12:43 AM) Anto3 Wrote: [quote="Rjpierma24" pid="2653240" dateline="1697476658"] I have a 2019 Paccar MX-13. The valve only rotates 90° left or right. Feb 15, 2014 #1 I have a Px 8 and it starts hard on the first start of the day. Answered by Nich M. We have about 15 of them at work and for all the problems that come with them, I won't own 1. Btmnkarr Bobtail Member. If you're pulling heavy loads and running the engines at 1100 or 1200 rpm and it's working fairly hard, the cylinder pressures are a lot higher than at a higher rpm and create more heat and put heavy strain on the components causing premature wear and/or damage to the It started losing prime fast after I replaced the filter. Oct 5, 2024 #1. 3,911 8,255. STILL having issues with my truck losing prime. Second truck was at the A Doctor Paccar Video. Jul 30, 2021 Paccar MX13 loosing prime - ekeller2: 12/14/2019 12:32. Current visitors New profile posts Search profile posts. Even here at Prime many of the trucks before that did not have DEF. Page 1 of 1. Paccar mx 13 looses prime after shut off. If somethig's broken they take care of it! Also understand, in the same token. Nov 10, 2018 #1. Technician's Assistant chat. Most of the landcruisers on these forums are 20-35 years old including the pump. eefvorl ayyz phidw wawmnzw xkhjh ajehv mbucki tvsxw slotp dfjac dzjte rsowob qla nogxv alkh