Fuse? I do not know how after driving the truck and parking it for a couple days with no leakages noted that when he goes to drive it that morning it leaks like all get out! There was even a TSB issued years ago for loose connector tubes that can easily deliver similar symptoms as the tube is not seated into the injector, which then fills the crankcase with fuel. Now before I start spending big dollars on injectors and or pump is there a way to test the pressure relief valve short of ordering a replacement? I only see a fuel heater relay in the distribution box. The original injectors in the 2004.5-2007, sometimes called the “505” injectors had an exceptionally high failure rate, enough so that Bosch, the original manufacturer, revised them. Dealership diagnosed injector failure. Had a code fly for crank sensor failure, replaced that the starter all the battery cables, new batteries, replaced all the return line o-rings etc. Not only till you pored water completely on the on the pump did it start. Fortunately, we’re typically able to help diagnose and give recommendations for products or procedures to remedy the issue. Truck wouldnât start. “In theory,” if it was already on the ragged edge, then you added freshly rebuilt injectors that flowed more efficiently than the original injectors, now the higher pressure was the last nail in the coffin for the PRV. Unfortunately, this sounds like a lot more than a fuel related issue. So again, start tracking down all physical grounds and cleaning them up, making sure the wires aren’t broken anywhere. Going to injector return test. The FCA is a metering device, so if it fires up, immediately turn off the truck as it will overpressurize the system. Seperatly at the same time the return from CP3 recovered about 460ml. As far as the FCA being unplugged and it starting, presuming you meant it wouldn’t start with it plugged in, but then it did start once unplugged? I was able to communicate with the abs, fcm and transfer case modules. When the in-tank conversion is done, an in-line relay is added, but in your case, its completely controlled by the ECM. 47 Likes, 1 Comments - University of Central Arkansas (@ucabears) on Instagram: “Your gift provides UCA students with scholarships, programs, invaluable learning opportunities and…” If it was a bad cp3, FCA, or bypassing injectors, would I not notice performance issues or rough idling once it was running? Fixed bunch of issues with truck and have all codes cleared. My 04 will only start on either or roll start. In order to get to this point, you may need to use something like ether again to fire the truck to even see the fuel coming out. Hi there. Hi, I have a 3500 5.9 2003 Ram p/u. Any advice would be great . He did not drop the tank to check the seal or the fuel line in the tank. I would recommend giving us a call and we can help steer you in a direction to get the truck back up and running reliably again. Put stock actuator valve back on and started right up. Nice write up Diesel Josh. Hello again. This seems like somewhat of an odd situation, but lets see if we can figure it out. In most cases, we sell either a new replacement pressure relief valve to return the system to stock, or a PRV Block Off to eliminate the relief valve all together. Has a loud pinking sound. If it is opening early affecting starting (starting psi is 5-7K) you will not be able to provide that type of pressure to that valve to check it with any pressurized air. it wont start, fuel is coming utill high pressure pump. Does the truck crank over, just not start? You can certainly install the gauge at that location. We get this question a lot. The truck has run fine for two days since I got it back with the replaced ECT sensor but the not starting/dying issue must not be fixed since the ECT sensor was replaced and the truck still is not showing the engine temp. To much fuel pressure? got my stereo wired, all works but the back speakers seem low on power. We look forward to hearing from you. I am not aware of the fan clutch being unplugged causing the lift pump not to kick on. I’ve noticed a lack of power too. Also, I’ve seen other sites that say to remove the FCA harness when running this test. If you crank the engine over and open the oil cap, you should be able to feel an excessive amount of air coming from the opening. After you’ve done this, you should ordinarily return a code P0712 (low temperature error). checked relay, working. They saw the Brazilians edge a tough Italian team to become world champions. Replaced fuel lift pump in tank (factory upgrade previously done). Truck does not surge until itâs been running for a little bit. The first thing to do would be to bleed the air out of the fuel system. Hey there, thanks for the question and reading the blog. Thank you for the inquiry. I think the fan code comes from a broken pin in the connector. You would then remove the nuts holding on the back side of the pump to the gear cover housing. I have unplugged the FCA and the rail pressure sensor and tried to start it. Since replacing everything, has the fuel system been completely primed to eliminate ALL air out of the system? Thanks again. First thing first, there are a lot of codes. truck was designed to run on #2 fuel not this ultra low sulfur fuel. The ECM needs a full nine volts just to power up the ECM, let alone cranking the engine over. Only in cold climates will it make it noticeable easier to start with the grid heater, but it will typically not prevent it from starting unless its VERY cold, which is not typical for this time of year, of course. cranking). Put an Arson 3 kit on cp3. Wouldn’t the pressure sensor set an engine code and light up telling not enough rail pressure? The ECT sensor was replaced and the truck dash gauge still is not showing an engine temp reading much of the time. He said I may have a crack in the fuel tank line that’s letting air in or there may be a cracked tank seal and to keep the truck above 3/4 full to see if a fuller tank solves the problem. Tia. As far as getting the second engine up and running, first things first, you need to load test both batteries and verify you’ve got good grounds. Good luck! So got a bolt and put in place to block off, and still no start. The diagram shows approximately what the molecule looks like if we assume that the carbons are at the centres of tetrahedrons with the neighbouring atoms on the corners. Our preferred brands of aftermarket lift pumps are FASS and AirDog, simply because they have options for stock to fully modified engines, offer filtration that is far superior to stock for increased protection, and come standard with a lifetime warranty. Any suggestions would be appreciated. Link :long cold / no start below. Fuel psi on scanner always reads 340 psi all the time. If I do try to drive the truck while itâs running it bucks and barely wants to run. After a squirt of ether it will start and run fine . Can this be my problem) 0113 ( not sure what is the cause of the intake air sensor high) 0514 (donât think batt temp sensor performance will affect my no start) 0483( cooling fan speed shouldnât be the problem) 0521 (oil pressure sensor performance, looks like I may have a bad oil pressure sensor but again shouldnât cause a no start?) I have an 07 Dodge 2500 with the 6.7 cummins and as above I am unable to start it after getting water in the fuel. Thank you. Anyways, the VP44 does have an overflow valve similar to the P-Pumps(its external at the return line). You can also give us a call and we can discuss more about the symptoms and other possible fixes. Presuming the lift pump is good, since you just replaced it (again, making a presumption) look through all of your wiring and fuel pump relay to ensure there is no break or corrosion. It would go into limp mode at higher speed. Great information. Hey yall, The first thing we would recommend checking is your pressure relief valve located on top of the fuel rail, which there is a tutorial on how to do in this blog post. Knowing that starting pressure is 5-7K, if it is leaking during cranking, its bad. Any ideas. Wonât start. http://youtu.be/PIPP_sPtofw. If you haven’t already, remove the return line for the injectors at the back of the head and bump the key to engage the lift pump to push fuel without air blocking it. The last 2 months it has 3 times died or refused to start because of – I think – a fuel issue. Thanks much and apologies for the long email. No change. Could the thermostat not registering be tied to the truck not starting/dying? If I remember correctly, the IAT must sense 55+ degrees Fahrenheit to trigger the grid heater. had everything checked and they said there is no power going to the injectors. I’m hoping my ECU didn’t give up th ghost . Overall, based upon the information we’ve been given, it does sound like an injector issue. Unplugging the FCA should make that pump go to max pressure. With all the injectors capped, shouldn’t I be showing significantly higher psi if the fuel control actuator was over speeding? But no fuel came out the top where I had removed the line. Seems like pump comes on but wonât prime and truck still wonât start. Thank you! Here goes. Is that just the 90ml for all injectors combined or 90ml times 6 injectors? Otherwise, it could easily be that your injectors are completely shot. Guages donât function. First start with bleeding all of the air out of the fuel feed line and injectors, and possibly that’s all that you need. Hi there, sorry to hear about your troubles. I tried that once and had 350mL of return in 30 seconds. Based upon your description, its most likely one of two things. Overall, make sure that when you test the battery, you are doing so under load by cranking the engine and watching the voltmeter. Oh well, the injectors have 430,000 miles on them! This might seem impossible but with our highly skilled professional writers all your custom essays, book reviews, research papers and other custom tasks you order with us will be of high quality. When truck is shut off rail pressure drops immediately to 20 psi . Good luck, and please let us know if you have any other questions. The benefit of installing a block off as opposed to a new PRV? Harpooned tank,Hx Mod, Coolant Filter, Po'man's Fx mod,CCV mod & 6.0 tranny cooler! Truck started and ran great first week. Just remove the return line off the top of it and crank the truck. Is there a sensor somewhere that controls the fuel on start up? Once the line is removed, crank the truck. Hope this helps, please let us know if you have any other questions. Thanks for your time you guys are great!! Secondly, ensuring the connector tubes were properly seated into the injector bodies as described in this writeup. A question I have is on the injector return rate test spec is 90ml.
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