lmm bottle test|How to Bottle Test the FPRV : distribute Duramax LBZ LMM Fuel Pressure Relief Valve FPR return bottle test P0087. 0:00 /. Thanks to Kennedy Diesel for this nice writeup on how to do the bottle.
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The test is called "Bottle Test"-- here is some info-- On the drivers side fuel rail-- to the back and next to the Turbo, you will see a "U" shaped 3/8 hose-- remove the hose from the fuel rail -- and plug the hose. Now attach a 3/8 hose to the fuel rail nipple, and stick the end in ."Bottle Test" to check the FPRV. On the drivers side fuel rail-- to the back and .If the bottle has and fuel-- other than a few drops, the FPRV is bleeding off fuel from . "Bottle Test" to check the FPRV. On the drivers side fuel rail-- to the back and next to the Turbo, you will see a "U" shaped 3/8 hose-- remove the hose from the fuel rail-- .
If the bottle has and fuel-- other than a few drops, the FPRV is bleeding off fuel from the fuel rail. Either shim, or install a "Plug"-[which I don't recommend for the daily driver] Duramax LBZ LMM Fuel Pressure Relief Valve FPR return bottle test P0087. 0:00 /. Thanks to Kennedy Diesel for this nice writeup on how to do the bottle.
The test for a leaky valve is known as a “bottle test” and is relatively simple to do. The setup is illustrated below for the LLY, LBZ, LMM engines. Image 1 shows the hose that we are working . You can do the injector return flow test youself instead of paying the dealer 0 to do it. Step by step instructions as I did it posted in another discussion thread. Here .
Getting my ADII165 installed today. What pressure do I need to run it at? I have heard of 20+ on a max effort tune, but that CAN'T be good on a CP3??? I have even had . Would it be wise to run an enhanced injector return test to determine if the injectors are failing at higher pressures? Still waiting for a return call from warranty dept at diesel Store. . Instead of replacing the FPRV, you could check the valve with -- "Bottle Test"-- Here is some info on the "Bottle Test". On the drivers side fuel rail-- to the back and next to .
The only manual test you can attempt it to remove every return line from the injectors and somehow attach a hose to each injector. Run the lines into 8 measuring cylinders .The test for a leaky valve is known as a “bottle test” and is relatively simple to do. The setup is illustrated below for the LLY, LBZ, LMM engines. Image 1 shows the hose that we are working with in its native state. Some parts removed for better photo detail. Image 2 shows the U shaped return hose removed from the fuel rail. So, how the heck do you disable the injectors for a compression test? On the LB7's and LLY's, you can just pull the connectors off the FICM. Not so much on the LBZ's & LMM's. S. S Phinney Active member. Aug 15, 2008 4,008 18 28 Quncy, Fl. Aug 15, 2010 #2 It won't matter when doing the compression test anyway. C. Cougar281 Well-known member. .
Kennedy Diesel-owner More than just a salesman-I use and test the products that I sell on a daily basis! Superflow Lie Detector in house 2002 Chev K2500HD D/A CC Long LT 11.77@ 124mph at 7700# fuel only-e.t. needs help 2005 Chev K3500SRW D/A CC Long LT(SOLD) 2007 Chev K2500 Classic EC Short LT (Sold) 2012 GMC K3500SRW D/A CC Long . Sorry about that thinking before you finish reading. I looked in my manual for the LMM and looks like you need a scan tool. Just a thought! . The relief valve bottle test is what I'm wanting to do. I'm suspicious of the relief valve popping open and causing a 1093 code. Dealer diagnosed injectors but I have good balance numbers and low return .
So I did the bottle test and it puts fuel in the bottle just reving it up went out and drove it hard it overfilled the bottle. Now what? Thanks for any advice . 2004.5 2500HD EXT CAB SHORT BOX SILVERBIRCH LLY DURAMAX DIESEL 4" .
The test for a leaky valve is known as a “bottle test” and is relatively simple to do. The setup is illustrated below for the LLY, LBZ, LMM engines. Image 1 shows the hose that we are working with in its native state. Some parts removed for better photo detail. Image 2 shows the U shaped return hose removed from the fuel rail. Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain Bottle Test question? Jump to Latest 2K . Since the fuel line was plugged coming from ?? and not to the fuel rail, maybe the bottle test wasnt 100% accurate?? I just thought it was odd that it didnt limp during the test when it normally would. 08' GMC SLE, CCSB, 4x4 . FPRV, search 'bottle test' to judge leaking bypass fuel and determine if it's weak. The actual FPRV is a Dealer sourced item, #97371618, priced @ between 0-0. . 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->>2006-6.0 3500 WT DRW ExCab Flatbed, .
lly injector return rates
The usual bottle test is to test all injectors on one side, then all injectors on the other side. If the target volume is exceeded on one of the sides or both, you can narrow down to testing each injector independently to see which injector(s) is causing the problem. Alternatively, the injectors can be uninstalled and sent to a facility to test.
Okay so I did the fprv bottle test and before I pulled the truck out of the garage just check things over again with the bottle setup and there is a constant stream at idle . 04 sierra lly ecsb . 08' LMM CC SB SLE Z-71 4x4| Tekonsha P3| B&W Turnover| Tow Mirrors| POR 15| EDGE Insight CTS| AMSOIL| Diamond EYE 3" DP/ 4" DE QT Exhaust w/ muffler . LMM injector return flow test. Jump to Latest . a member did an AMAZING DIY on it with EVERYTHING you need to do the test. I remember seeing some of your posts and I think you're getting the P0087 or issues maintaining fuel pressure. There are a lot of folks that have the issue and it relates to the injectors and Kennedy is the expert on that . It isn't usually a problem on smaller tunes though. I haven't seen it to be a problem with the LBZ or LMM though. They obviously changed that part when they raised the rail pressure in 2006. Maybe you should get a valve from an LBZ or LMM and just install that instead of shimming your stock one if you're worried about screwing up the shim job .
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Worth mentioning I only tested the plug side on the fuel rail I didn't bottle bottle test the return side of the rail yet might be worth a shot as when I had that line of before I plugged the return side fired the truck up and the return nipple on the rail started pissing out a bunch of fuel looked like a garden hose so not sure If that's normal or not but it seemed to be returning . This is my experience chasing the steering rattle/clunk in my LMM. Completely new front end suspension/steering/shocks, etc. . cut the hose (or whatever you want to use to secure the bearing) to length and test fit. Note . I would start with a bottle test, that will see if your FPRV (Fuel Pressure Relief Valve) is leaking; very simple test to do. . 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P. Save Share Reply Quote Like. 2008 dirtymax. 11 posts . My LMM has 169,000 miles on it and has the obligatory P0087 code. I have gone through the standard tests and then moved on to the injector return test and the enhanced injector return test. On the standard injector return test, I came up with two injectors that were out of spec at 6ml return versus a maximum of 5ml for the highest API fuel.
hey guys I am new to this but have been reading a lot of the conversations, I got a 08 lmm 120k miles and have issues with rail pressure with or with out efi tune from Duramax tuner. went back to stock fuel filter, got a bottle test done yesterday, no fuel. have read post about soft lines.This one stalled while driving, and will not build enough fuel pressure to be measured by the Fuel Pressure Sensor. The priming pump will build pressure, but the pressure quickly bleeds off. It pulls 2 inHg while cranking. No debris was found in a sample collected from the return line, at the connection to the hose which is external to the engine. I disconnected the outlet hose from the .
🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->>2006-6.0 3500 WT DRW ExCab Flatbed, . Bottle test with hot fuel, infallible. But to screw with you further, some having given up on it and installed a solid rail plug, thought they had it solved. .
The block and internals on the LLY Duramax have stood the test of time. With common and consistent maintenance, these engines are superbly reliable, especially when left in stock form. Duramax LLY Engine Problems . Read More The 5 Best Duramax LMM Performance Upgrades. 10 Comments. james g smith says: April 22, 2021 at 8:20 pm. Very . So i did a return rate test today. Bottom line on bottle is 40 ml. Top line is the amount returned after 15 seconds of cranking. Can one injector with a high return rate cause my no start problem ive described? It goes to garage next week to see which one or ones is bad. Ok so pic wont load from.
how do i test the fprv?
yeah try the bottle test.. i was pulling up the same codes and my truck went into limp mode. I bought the shim kit from the dmax store and my truck runs good now, not too sure if this is the problem but its a easy fix! . 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->>2006-6.0 3500 .
Duramax Fourth Generation: 2007.5-2010 (LMM) LMM Cranking but not Starting. Tags cranking lmm no start. Jump to Latest 2K views 2 . I will try the bottle test for return rates and see what comes of that. 2009 LMM. Reactions: OkDually. The crank time for the test is 15 sec, If you crank the ignition it should automaticly stop cranking after 15 sec (no need to time it). You should not see OVER 5ml per injector or 20 ml for the bank. :thumb: If you did the test for 10sec and you have a few 5's and a 6's you are going to WAY over spec. (need to repalce injectors) LBZ MP, Fleece Tapshifter, Edge CTS2, Mishimoto Trans Cooler, DT 6-Spd Conversion, 2015+ Tow Mirrors, LMM Rear Bumper, LML Booster, PSC PSP, EFI Live Tuned by a Legend, 295,000 miles and still going strong,:neener. . I’m doing the block test right after lunch to see what’s going on.
GM launched the LMM in 2007.5, replacing the LBZ due to tighter emissions regulations. To strengthen emissions active regeneration was added alongside a DPF system. As is common with emissions equipment, this led to a new common problem for the Duramax LMM engine. Similar to its predecessor, the LMM has very few actual engine problems.
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lmm bottle test|How to Bottle Test the FPRV