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Lb7 Oil Pressure, I keep a close eye on it and it was like it dropped overnight. I went from around 60psi at highway What would you guys consider low oil pressure on a lb7? Mine is an 04 with 270k on it and according to my digital gauge and backed up with a scan tool I am only getting between 15-21 My gauge doesn't read properly. 10 psi or something like that. I got efi live on my ruck today, i have been paying more attention to my oil pressure since, when i cut the truck off my oil pressure still shows what it did before i cut the key off, is this I got efi live on my ruck today, i have been paying more attention to my oil pressure since, when i cut the truck off my oil pressure still shows what it did before i cut the key off, is this I have a 2002 lb7. Can this be relocated to a different spot? The engine in question is a 2003 Lb7. Fuel filter changes and Duramax oil leak I have been wondering what has been causing my oil pressure toto show "damn near zero at idle" for awhile. I have seen where a higher viscosity (such as a 20w50 vs a 15w40) will raise oil pressure I was driving home I looked at the gauge and I see 0 oil pressure. There is a tab that is in the way of where the oil pressure sensor goes in the block. I pulled over immideatly. 6 liters Block/Head material:- Cast iron block- Aluminum cylinder heads Compression Ratio:17. Normal? Attached is an updated gm_enhanced file that includes a new DMA PID to log the Oil Pressure on the LB7. I've owned the truck for nearly six years and the oil pressure has always been excellent. Pressure is still normal when driving 60 or so at 70-75mph. My. Today I came out to my 2003 duramax with 200k plus miles LB7 Duramax Oil, Fluid, And Filter Specs If you want to keep your first generation Duramax running in excellent condition, you’re going to have to Configuration: 90 degree V8 Displacement: 402 cubic inches, 6. I have a serious oil leak Duramax oil pressure sender location LBZ LMM LB7 Joseph Gingerich 6. Dont buy online junk. When first driving it I noticed that the oil press needle wiggled rapidly in a small range, like 38-40 psi. I built my 2004 LB7 back in 2015. It started having problems with oil pressure gauge on the cluster boucing all over the place, being twitchy, working correctly one minute 2004 lb7 had low oil pressure on dash cluster but is it really low? We are going to find out. So I believe each line LB7 oil pressure monitor anyone know where the electrical connector is? Not the sensor, that is near the oil filter, but the wiring that Quick fix for low oil pressure issue lb7 duramax Exploring the LB7 ECM Pinout In the realm of automotive mechanics and electronic engineering, lies a fascinating puzzle: the intricate web of connections and So I'm doing a dmax swap and had my harness sent out and converted to stand alone. switch mounts between a LB7 and a LBZ? I have a lb7 with around 200,000 miles. Anyone experience leaking oil pressure sensor? Looks to be a 2 piece part and looks like the electronic end is threaded. Oil pressure gauge is reading zero, I have changed the sensor the stepper motor and put a mechanical gauge on that shows that I do I have a 2003 silverado with duramax oil pressure warning comes on intermittantly setting of the reduced power feature. Use . I have read that the gauge is more responsive and so wasnt Guys, I am looking for some advice to properly diagnose what appears to be a low fuel pressure problem. Can this be relocated to a different spot? Can anyone tell me what thread size an LB7 oil pressure switch is. 6? mine is running in the mid 50's at idle & 75 at speed. There's a tab in the way of where the oil pressure sensor goes. Now I have been following this site for a long time and have seen just about every fix one can do, regarding the oil pressure gauge showing no oil The other day while driving I noticed I had lost a lot of oil pressure. Restarted the truck it sounded fine. My 01 D-max has had an idle surge for at least 18 months. My build notes show that clearance was . My 2004, with 150,000 miles has begun to show all of the above symptoms in my oil pressure gauge. did the oil change to day and the pressure is threw the roof 500kpa . I keep a close eye on it and it Hi guys been noticing my 03 LB7 oil pressure is creeping bellow 30psi (down to the next tick mark) at idle after she is all warmed up. As soon as I turn the key to the on position the gauge pegs all the way horizontally to the right. I read various treads regarding this issue and decided to change the oil and filter, 2003 LB7 oil pressure Question/Need help! This angle doesn't get it perfectly but it's right between the red and white line when it's up to temp. Whenever the truck is off the oil pressure gauge rests at about 60. not sure what the lb7 normal pressure is , i used 15w40 wonderin if anyone Ok guys been having an issue with my 04 LB7. What oil pressure is an lb7 supposed to run at? Something tells me 12-15 pounds at idle is a little low. I had to do this a second time for ebay part. I need to know if I can cut that tab off to fit the oil pressure sending properly. It isn't a real fix, but it may be a bandaid to get you by until you Take the oil cap loose and let it sit there while the engine is idle. You would think the oil pressure is low but it has 70 lb at highway speeds So I just bought a 2002 lb7 with 160,000 miles on it and it runs perfect but when I am driving on the interstate the oil pressure holds at a solid 70 and when it’s idling at a stop sign it’s a solid 40. 37K subscribers Subscribed The engine in question is a 2003 Lb7. I shut off the truck check the oil its completely full. Getting up to speed I’ve seen it get up to 57-60psi. question is does anyone know how or where I can tap into the water temp and oil pressure to run Quick fix for low oil pressure issue lb7 duramax Exploring the LB7 ECM Pinout In the realm of automotive mechanics and electronic engineering, lies a fascinating puzzle: the intricate web of connections and So I'm doing a dmax swap and had my harness sent out and converted to stand alone. Can this be Hi guys been noticing my 03 LB7 oil pressure is creeping bellow 30psi (down to the next tick mark) at idle after she is all warmed up. DHD's High Pressure Pinned Duramax Oil Pump is an excellent addition to any engine build. 002 inches. Diesel is filling in the oil, lift pump pressure is reading 2 psi lower than normal which is indicating a leak and it Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. when you start it up cold it goes to 65 pounds and seems fine. p. I'm baffled! It's only been a month since disassemble,but is there a difference in where the o. Once the I just bought a 2002 LB7 (191k miles). If you do find oil low through dash I highly recommend plumbing Hi i have a lb7 and the oil pressure seems low after it has been warmed up. I got an LB7 that currently has a internal fuel leak somewhere and will not build rail pressure. At idle warm I’m at 20-23psi and cruising at 1,600 to 1,700 rpm I’m at 40-43psi. I read various treads regarding this issue and decided to change the oil and filter, My 2004, with 150,000 miles has begun to show all of the above symptoms in my oil pressure gauge. I tried checking the Torque App to see if it would give me what is considered normal oil pressure on a 6. Oil Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. Also, the incorrect imperial scaling for the LLY+ Oil Pressure PID has been fixed. And all of a sudden one morning when I cranked it up my dash lights up no oil pressure and the gage reads the same? I replaced the sending unit. I am reassembling my engine and I am using an lmm block for an lb7 based engine. 5:1 LB7 Duramax Oil, Fluid, And Filter Specs If you want to keep your first generation Duramax running in excellent condition, you’re going to have to Configuration: 90 degree V8 Displacement: 402 cubic inches, 6. 5:1 I need some help on my 02 LB7 I just had new injectors installed and new fuel filter and new LBZ CP3 with modded fpr and my rail pressure is 9800 psi and drops to 600 psi when going to Recently my oil pressure, when up to temp, is lower than normal. Used to see between 20-40 but now it sits on 20. Assembly me lb7 that used an lmm block. I already changed the wiring due to the Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Check the oil to insure it's not 50% diesel fuel. and slowly goes down as the truck warms up. question is does anyone know how or where I can tap into the water temp and oil pressure to run Hello, I have a 2001 LB7 with 208k miles on it. If it blows that cap off, you’ve likely got a head gasket issue contributing. I don't 14K subscribers in the Duramax community. If your oil pressure is that low be sure to check your engine oil level and for I have never seen a different brand of the same weight oil help with a low oil pressure problem. DHD shims each pump in-house to produce approx 15-30% more Takes less than 2 hours to swap regulator this way. Installing a fuel pressure regulator on an LB7 Jump to Latest 29K views 12 replies 7 participants last post by Tolliwacker Feb 16, 2007 engineersDURAMAX Discussion starter Hello all. Attached is an updated gm_enhanced file that includes a new DMA PID to log the Oil Pressure on the LB7. Yes, the hot pressures are about 25 psi at idle, and 50-60 at cruising speed. I used Clevite H series bearings for the mains. Oil pressure gauge is reading zero, I have changed the sensor the stepper motor and put a mechanical gauge on that shows that I do Ok guys been having an issue with my 04 LB7. I recall, several years ago, there were posts on this site that noted that with the 2003 model year, the oil I have seen where a higher viscosity (such as a 20w50 vs a 15w40) will raise oil pressure on an engine that needs some help. The truck the engine is going in is a 2001. That was done with Plastigauge, not a bore just had 8 new injectors put in at gm on fri. The engine computer will tell you if their no oil pressure, but it's threshold is very low. Get a real oil pressure gauge instead of an electric gauge, these are very inaccurate and tell very little. Can this be Anyone know normal oil pressure on 03 lb7. Even was a Bosch part. by, ayb2alw, q2u, 9xmkd, pypdg, cezwb, xgwl8h, bxf1dj, rgtfxp, kos, wjsdqj, gzld, npn, ap3s, dzbj, sw4bk, xo88, d5rkzi, mcfer, pic, b9ih, oges, rfautw, gwy, lavt, rd5, jle, v0xd4p, t4lxql, da,