Bluedriver injector balance rates other injectors will add or subtract fuel to make the engine run smoother. CS2 or CTS2 would be the way to go This balance is crucial because discrepancies can lead to uneven combustion, affecting power, efficiency, and emissions. 23 3 15 4 -1. The injector balance rates are essential information that the engine control unit uses. Injector 13) Select Main Injection Fuel Rate (check mark will appear over green radio button) 14) Select Fuel Rail Pressure (check mark will appear over green radio button) 15) Hit To start, let’s briefly touch on what a balance rate is. 9 Cyl 5 6. Cyl #1 = -7 Cyl #2 = -7 Cyl #3 = -7 Cyl #4 = -3. Install the new injector harness bracket and For example, last November my balance rates ran from -2 to +6, in drive, A/C on, & etc. Drove it a few times and looked at the balance rates on my gauge. They work if you have just 1 going bad, but if You should also know the main flow rates to get an accurate idea of injector health since balance rates are deviations from average. 5 to + 2. Jump to Latest 15K views 18 replies 9 participants last post by LML6600DMAX Oct 30, 2017. 450 psi in each slug! Back to the drawing board! I re-checked balance rates just for the heck of it, all balance rates (except for #3 still, at +15) Injector Balance Rates Good/Bad? Jump to Latest 25K views 34 replies 11 participants last post by ChevyTech77 Jul 3, 2020. You need to buy an advanced obd2 scanner for this task. hs6. The fuel injectors play a crucial role in the performance and efficiency of diesel engines. Brady D Discussion starter. I have little I believe something like a ScanGuage is what I am looking for, but I don't think it is possible to read balance rates with that particular tool. It also has a slight miss at idle when it wont read balance rates. 6: The Cylinder Power Balance Test may be performed at any ^^^ Yep, if one injector is going bad then it will make the other balance rates look bad. 5-05 LLY Duramax Powertrain. If the fuel rate is 8, and Balance rate numbers can vary from -7 to +15. ashsdmax Discussion starter. My balances rates I ran my balance rates on my truck tonight after a 30 minute drive home from work so truck was good and warmed up. Take a look at BlueDriver. 1 to . 0 Cyl 4 -1. Post up your injector balance, fully warmed after a Injector balance rates. and for $400 bucks seemed like a good deal. 0 to +/- 0. Does anyone know what the allowed LBZ injector balance rates. Jesse 2004 LB7 Tastefully modded I have a 2005 5. Parked, in idle, my rates were as follows Injector 1=-0. 139 posts · Joined 2022 Add to Balance Rates, are checked in Park or Neutral, Any injectors that are more than +4/-6. Thanks, 06 5. Jump to Latest While I certainly agree there may be some other bad ones, I definitely recommend doing it one at a time since balance rates can change pretty dramatically from just I checked the injector balance rates with my Edge Insight and it said the #1 injector was at 12 and #2 was at 10,5, all others were right at 4. Balance rates pertain to the injectors. 0 Cyl 7 -1. I noticed my Fuel Injector Balance rates even out better than other additives that I have used, mine are + - 1. 8 Cyl #5 = 15 Cyl #6 = -5. See this post. 9 5. 94 posts · A high balance rate may be caused by a fuel injector or compression only if the ECM can control fuel pressure. Thanks for any ideas! 2004, GMC, Hey guys, was going thru my edge insight and checked my balance rates, wondering how my numbers look and what do you guys think truck was at full operating temperature First set is at idle and in PARK #1 -0. LB7 Automatic BONE STOCK MODS TO COME// injectors (30 overs), FASS pump, filter and filter head delete, maybe some 2 White smoke/lack of power. Position the new injector harness bracket to align with the bracket bolt hole and secure to the harness with electrical tape. These where my balance rates Cylinder1 (-4) Cylinder2 (bounced between -4 to +12) Cylinder3 (-4) My injector #3 balance rates are pushing the limits of "acceptable". com/channel/UCDZtnfGgbXUh checking my injector balance rates on my lb7 duramax using torque pro I pulled the Balance Rates using my OTC Genysis Evo and it is as follows: Cyl 1 -1. It still a bit foggy in my mind how to calculate fuel rates This video goes over using Fuel Rate and Balancing Rates to Diagnose Duramax Injectors. 9K views 5 replies 5 participants last post by Thunderbear Aug 25, 2023. I returned the Insight after several months because I found that it cannot display individual injector balance rates on the L5P, despite explicit claims of this capability on I want a scanner that can do an injector balance test just by plugging it in and going through the menus. once done I hooked the tank back up and the 2 injectors went Autocal injector balance rates. Eg. Landon. Injectors are due for service? I have attached the balancing rate pictures below, as well as the injector commands. Works great for lb7 and lly balance rates for very cheap. Looking for a What Do Balance Rates Mean for Your Diesel Engine? Understanding balance rates can help you diagnose several issues: - Fuel Efficiency: Poorly balanced injectors can lead to increased fuel consumption. 9 Cyl 3 15. I bought remanufactured injectors from Diesel Logic and had them installed. How do the Open VCM Scanner, go to the Table Display, right click and insert, go to Fuel System, injectors, choose Balance Fuel Rate Cyl 1. I think whatever you were using to read your injector balance rates was not working properly. If all the injectors wear out at the same rate, the balance rates can be perfect, and Think of a PID as the command that is sent to the ECM to request a particular piece of information (like injector #5 balance rate for example). 0 . These terms can be complicated so lets break it down for the crayon eaters. one injector wire bad can cause unique balance rates. If you give any amount of throttle they will go to zero. and i was told The next step is too swap injectors between cylinders and see if the balance rate moves with injector. 5 is overfueling and 3&7 are underfueling. 24 The balance rates within efi live is a great tool but there is no better way to see what is going on the injectors to have them sent out and tested. 7 ps with 88k on the clock, it has a lot of work done to it including, full diet and Balance rates are only measured at idle on a fully warmed up engine, think of them like fuel trims on a gas engine. 5K views 2 replies 3 participants last post by Aaron_USMC Apr 7, 2022. 2 at idle, except number 7 is at A high balance rate may be caused by a fuel injector or compression only if the ECM can control fuel pressure. 17 I would be very From my understanding injectors 2, 3, and 5 are bad. Save Share Reply Quote Like. 9L, EFILive / Silver Bullet Tuning 06 LBZ, EFILive. In Park the following data so I have 04 lb7 California egr crud I have the lly blocker plate with edge juice cts and iam starting to get white smoke at idle iam just not sure what iam looking at with the Ok I tried something today while logging the balance rates, fuel pressure, and rail pressure. I've Check wiring. Balance rates can be done using a elm327 generic scan The Importance of Diesel Fuel Systems and Injector Balance Rates. . Balance rate checks are also a part of various routine engine fuel in this video we are diagnossing bad injectors in an lb7 duramax For just the ecm and looking at balance rates, you cant beat the torque app and s bluetooth adapter. I asked a similar question about a year ago, and I was told that the cheapest way to go was with Bluedriver. 2 posts · Joined 2022 Add to Also, would an over limit positive balance rate indicate the injector is leaking or returning too much fuel? Or is the sign (+/-) of the balance rate not significant? "Balancing 01 LB7 Balance Rates Have a LB7 that a friend just picked up and supposedly had #7 and #5 Injectors replaced. Jump to Latest 4. The balance rate is a I'm struggling to understand balance rates. Jump to Latest 19K views 8 replies 5 participants last post by 2004dmax May 15, 2010. Was told 3,5,7 need to be changed. So I took the truck to local Injector Balance Rates. Do again for the other 7 cylinders. XTOOL A30 is a bi-directional scan tool that can read, clear codes, view live data in all available systems, and perform various active tests like EVAP test, Service Bay Tests, Compression IMO balance rates are almost worthless in finding bad injectors. -0. It runs smooth most of the So just got my OBD2 adapter and Torque Pro working and checked my balance rates and pulse width. "First post - I have just started using iPhone with Dash Command and Amazon Balance rates are nothing more than how far plus or minus each injector is injecting from the average flow of all 8. 7K views 27 replies 5 participants last post by mijdirtyjeep Dec 19, 2017 #PIP4727A: Cleaning Diesel Engine Fuel Injectors - contaminated fire hard idle injection misfire miss SES - (Dec 7, 2009) If a dealer encounters a vehicle with a rough Understanding Injector Balance Rates. July 5th, 2011 #6. Once engine is hot i get white smoke and a lot of shudders at idle but clears up under load while driving except for loud injector knock around 2003 Chevy quad cab short bed LT LB7 Duramax, 4WD, 71mm Aurora 5k, head studs, EFI live tuning, ATS intake, 4 inch exhaust, ATS Co-Pilot, Autometer boost and pyro Installed it in cylinder 3, started the truck, balance rate still at +4 on 3. While in the process of cleaning I was The OBD2 scanner permits access to real-time data from various engine sensors. They are a good indication, but not going to tell you everything. but just had a kid and wanted to get gauges and some more power. I had three If you find out you have bad injectors don't waste your money on this method. 4 posts · Joined 2015 Add to Lb7 Injector Balance Rate Scanner. 0. 0 6. And then swapped out for new. ty_LBZ Discussion starter. This is what was explained to me when on the piezo injectors for the lml Sent from my iPhone No, cylinders are 1-6 from front to back. 2. Big tune would only hold 18k rail. 5 and have no idea if they are where they supposed to be. 2006 Chevy Silverado LT 4, LBZ, 4WD, Crew Started looking at my injector balance rates cause I'm hearing what sounds like injector knock around 1800-1900 rpm underload. I had crappy balance rates with my truck. Can be all in for around $20 or so. 1K views 2 replies 3 participants last post by Ron Nielson Nov 18, 2023. How to Read Injector Balance Rates. To get the actual balance rate of your cylinders, you must know the fuel rate/injection amount at the time the balance rates are Balance rate – Is how much each cylinder varies from the average. Can be compatible with android or iOS. A high balance. Truck idles rough and has white smoke at idle. Hopefully things aren't scored or going to pieces. 2004 LB7 with 64k I can confirm that the CTS 2 Insight monitor from edge cannot display injector balance rates on the L5P. Running an injector balance rate test is easy with Autel. 04. Always check the rates when it is warm, because the injectors tend to perform worse when More specifically looking for one that can test injector balance rates on an 05 and 13. 0 The injector balance rate will be worse when the truck is warm, not when it is cold. Well, recently I finally got around to checking injector balance rates on my LB7. Bleleux3 Discussion starter 112 posts · Joined 2011 Add to quote; Hello everyone, here is the video how to read the injector balance rates. 7L Power Stroke Diesel - Injector quantity rates - About 4 months ago I bought a 2018 6. Measured in mm3/sec. Checking injector balance rates with efi live software through your v2 or autocal!FOLLOW THE GANG!Truck Master: https://www. I have yet to see a balance rate test show a bad set of injectors yet. 2 +-5 = -4. Fuel rate at idle should be around 8-9. started the truck now Chevy / GMC Duramax 04. com Injector balance rates. If it I know efi live shoulda been the way to go. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 Alternative Fuels Diesel Additives Lubricants The balance rates will change depending on if. 1K views 6 replies 5 participants last post by TheStepChild Nov 9, 2011. The balancing rates were Bi-Directional Control/Active Tests. The balance rates are to keep knock down so if one injector is leaking or not injecting Now I am getting an injector knock at cruising speed of 60mph that's around 1500ish rpm's, not under throttle and it sounds just fine, no noise. Took it back apart put the new injector in cylinder 4 and took injector 4 to cylinder 3. 1095 posts · Balance rates and compression rates are two diffrent things. 6 Discussion starter. It’s better, but still off in the other direction BlueDriver now offers extended coverage for this vehicle in that all vehicle controllers can be accessed. 1416 posts · You have to calculate fuel rate/ injection amount into the balance rate number. 77 8 -6. I basically read a write up on dismantling the injector and cleaning it. 1 Cyl #7 = 15 Cyl #8 = -3. 0 in drive (at idle) after warming up is where you want to be. 1 4. Doesnt always throw Help required - GM/Duramax Injector Balance Rate testing on: August 9, 2012 (GMT) Quote Hi! I’m trying to get balance rates added to the list of predefined PIDs for GM vehicles – Lb7 injector balance rates should ideally be between -4. Would injector cleaning help? Injector balance rates and IQA codes are two different things but they are also connected. Ron Injector Balance Rates. All the balance rates are +/- 2. 52 Checked today: 1 -1. I also like the fuel rail pressure feature. Might not be this guys issue but can't be ruled out yet. After that I would check the injector Finding the Duramax balance rates will help you diagnose various problems with the engine’s fuel system. Jump to Latest 11K views 26 replies 9 participants last post by MTL_Dmax Apr 2, 2012. 92 7 -2. jaybird Discussion starter. For more information, visit http://www. 9. 2005 Silverado EC/SB, LLY, 4WD, EFI DSP5 V2 (Idaho Rob at ATP), Edge CTS w/ EGT Also, would an over limit positive balance rate indicate the injector is leaking or returning too much fuel? Or is the sign (+/-) of the balance rate not significant? <O ></O > I get very generic channels air intake temp, MAF flow, RPMbut no injector balance rates, no commanded/desired fuel rail pressure, no actual fuel rail pressure, or No injector should read that at any point in time. 0. Balance rates are nothing more than a measure of how far each injector I have a 2005 lly that doesn't seem to want to read balance rates when warm 160+, all read 0. They gave me the rates in park. Thus to know the fuel rate for an individual cylinder you must take the fuel rate and There are two best ways – you can test it with the help of a scan tool and software or by checking the fuel pressure gauge with the scan tool. Monitor fuel injector pulse width, fuel trims, and oxygen sensor readings for any irregularities that might When its cold or not fully warmed up the injector 1 reads about -4 and injector 2 all the way up to 6 in park. 312 posts · Joined 2008 Add to quote; the only injector out of spec is #1,the spec is + 4. In Injector balance rates Jump to Latest 4. I also regard the access to service information this system While running this cleaner the truck ran great and after about 1 hour of running, the 2 injectors came back into spec. Don't really hear it at idle. Injector balance rates. About $100 my morning with an estimate for $3800 to replace 3 injectors. They look great for the mileage and I'm very happy with the performance and r 06 Lbz Injector Balance Rates. The fuel system is one of the most significant ways that diesel engines differ from gasoline engines. 286 posts · Joined Injector balance rates are just determined while the truck remains in neutral, or in drive with the foot on the brake. 5lly balance rates are off. Now there is one injector that is reading about +3 to +4, but when i switch back to vegetable oil the balance rates seem to jump all over, and start to run a little rough at idle, after Second Generation Duramax Electronics/Tuners The truck was running good for about two weeks and then on January 30th it started up rough, blowing grey smoke with a hard miss. 9 Actual Fuel Rail Important Information Refer to the service/factory manual for proper testing procedures on your vehicle The BlueDriver fuel pressure tester kit is compatible with gasoline Trying to keep the CP4 and injectors happy. 35 posts · Joined 2023 Add to Thus, for each individual injector take the fuel rate (which is an average value) and add the balance rate to come with the fuel rate for each injector. (when they read The +/-4 and +/-6 figures applies to balance rates, not pulse width. When you get to the main menu on the programmer it should say data scanning as an. I have a CP3 and Fass 150. 78 2 -0. I'm only pulling 5000 or 6000 lbs. Tested at operating With my PITA LBZ I’ve finally ordered a auto cal and pulled injector rates. R. Cyl 4 was showing +15 on the balance You must be in park or neutral to get balance rate readings. I demanded a refund and Edge agreed to it. Unfortunately balance rates do not always provide a 100% accurate diagnosis of the injector’s performance due Wat are good injector balance rates for lmm duramax engine. i see alot of posts here A leaking injector will dilute the engine oil and possibly cause a catastrophic engine failure. The other issue is if you don't know the CFR (calculated fuel rate) the balance rate numbers can be misleading, however that is really only the case if all injectors are bad. I can't speak to whether it will allow you to install the new codes, but We recently replaced the injectors on our 2003 with Bosch remans (had white smoke at idle), and now the calculated fuel rate shows 6, and the balance rates are as follows: BlueDriver can not read injector balance rate data. Sorry for making it short due to rainstorm and I work at a mechanic shop. 53 2 2. youtube. 2007. plus i live in the Mine I suspect carbon fowling so I'm going to do an upper injection clean to see if I can knock the crud loose. Balance rates are overrated for diagnosis overall. 5 +-5 = -5. 9 CR and I wanted to do a quick scan with HPT and found that my balance rates are not consistent on the injectors. 2007 5. Pilot injection is 1mm3 for all stock lb7's, but lly's can be injector balance rates? LLY: Jump to Latest checked the balance rates on my 04. I shut down truck and then restarted 2004. 0psd Well just as a routine i scanned my truck today and got the he following rates. Injector 1 was 3. The other If the fuel rate is 8, and you have a balance rate of -7, then the ecm is only commanding that injector to inject 1mm3 of fuel or only the pilot shot. R_Osborne19 Discussion starter. 08, 3 was 2. 9 Cyl 8 -1. My duramax guys help !!!!! try an injector/fuel cleaner. MAGNUM06 Discussion starter. Running the PPEI Eco tune right now, EGR deleted, 5" AFE Turbo back with MBRP pipe, PCV re-route, and Airdog. Note that since I Duramax diesel injector balance rates??? i've looked and studied over and over and cannot find any information (newer than 2009) on how to check the injector rates with Injector balance rates. '03 GMC 2500HD CCSB D/A PPE Hot +2 (on LVL 5), MBRP 5" turbo New adapter worked. 5 LMM CCSB 4x4, PCV reroute, B&W turnover ball, resonator plug, I have the Bluedriver, and I had a CTS 2 Insight. 42 5 2. 1. 0 in park or +6. There is no negative pulse width. 17 to -3. 6. The balance rates should not be What scan tool to check injectors balances. 1, 5 was My balance rates seem to be all over the place. 1 on one injector then others flopping in and out of tolerance as far as balance rates go? I have done the fuel LLY Injector balance question Swapped holes first to make sure bad balance rate would follow the suspect injector. As it was started, So Im supposed to use 5 when looking at my injector balance rates. 2 If there is still a mechanical concern with an injector, and balance rates are still over the SI specification of +4. Some scanners only show the main injection rate and do not factor in pilot. The computer looks at crankshaft acceleration for each cylinder in the firing BlueDriver Scan Tool. Jump to Latest 1. 5-05 LLY Forum. 2005 LLY 3500 CCLB 215,000 miles. the transmission is in Neutral or Drive. 2. 7, 2 was . Pulled up injector balance rates. is this correct? Truck is close to dying when I come to a stop. 3. Balance rates from -1. 3: The Cylinder Power Balance Test may be performed at any I know - I own an LB7 so I shouldn't be too shocked with injector issues. At operating temperature it gets as high as 5 at idle but has never passes 6 while idling in park. 2021 C8 Corvette 2LT, “Ceramic Matrix Gray Metallic“ Front Lift So I swapped #3 injector to cylinder 1 and injector #4 to cylinder 5. at idle 5,000 to over 30,000 under hard acceleration. I haven't played with EFI, but with a Duramax the balance rates are only available at idl; they are not flow rates and are used to create a smooth idle. Coincidentally enough 2,7, and 8 seem to be my biggest concerns. +/- 4. 2004 ccsb lly dmax stock/s488 60% overs, comp tranny 2003 ecsb 6. fuel with and w/o 2 stroke oil, stock program, 500 hp, then the DSP2 in tow and smackdown. 14. 0, 4 was -2. 8 Injector 3=0. Jump to Latest 2. My guess is if a scanner can do a balance test it can do a lot more too. 9 Cyl 2 -1. Free Shipping | Free Returns | 24/7 Support - 1-866-302-0054 That is why balance rates can be spot on but an injector can still be bad and return too much fuel to the rail causing a P0087 code. 0 in drive, replace only the effected injector. Regrettably, balance rates are not determined when the engine is being The last couple of days I have noticed my injector balance rates are out of spec. 5 Now when its fully What do you need help understanding? The numbers posted show every cylinder is either WAY out of spec, or so close it might as well be. 2344 posts · Joined 2011 Add to Injector knock - balance rate values. Yes you can test balance rates with an xcelerator. With that info, the ECU can keep firing the Bump!! Still not sure if I'm doing it right or not I'm sittin in my truck right now just opened scan tool, connected efi to truck and laptop, go to balancing fuel flow rate cylinder 1 i was checking the balance rates on my LB7 under different conditions. Could anyone let me know how I have a 2003 Silverado with an LB7 that was smoking. Lb7 injector balance rates indicate the amount of fuel being delivered 6. 5: This step determines if the ECM can control a stable fuel pressure. I hope th I'm just trying to under stand the "x" mm3 of fuel value in the injector balance rates. 0 Cyl 6 15. 5 mm³/s. Any Finally did a compression check. I have installed new Bosch OEM spec injectors in my LBZ. 0 in park, and +/- 6. That after a summer of mostly loafing around. I don't think that the You can also use an Edge Insight CTS as well to check injector balance rates. In drive injector 2 can go all the way up to 7. CA88. 0 in park and +6. 2K views 7 replies 6 participants last post by ILuvJDM Nov 18, 2015. 13. Jump to Latest 13K views 18 replies 10 participants last post by MudDoc Jun 11, 2012. 2006duramax5 Discussion starter. Project, Rogue Budget(Workstock Puller) 2006 GMC 2500HD, Stock Motor, EFILive by me, Billet 63 GM states that balance rates should be no more than plus or minus 4 (+4/-4) in park at operating temperature. I know GM claims anything + or - If all your injectors are worn and worn about the same amount, then your balance rate will be dead on. 5 Injector 2=0. 0 in drive. 23 6 -5. Open The balance rates are only a comparison of how much power each cylinder is putting out. Balance rates are 2002 GMC Sierra 2500 HD 4WD EXT cab LWB. the best If there are no bubbles, rail pressure is within +/- 100 psi of commanded and the balance rates are still off, then the issue isn't fuel related. standardbrand. Lots of posts about cleaning injectors on the forum. To-day, after a 1900 miles of a good pull, . My LLY injector balance rates What would cause balance rates to change, going from 8. Nathanbevan315 Discussion starter. The truck is not running 12. The result was What numbers should you see on a diagnostic tool for Injector balance rates? I was in drive with the brake on and I was seeing anywhere from -0. It had just over 120k miles. A Duramax truck with stock injectors and tuning, at operating temperature, should idle with a calculated fuel rate (CFR) of Depends on which fuel rate and what engine. 5 to +4. Apparently you can get an OBDII Bluetooth adapter that works with Iphone and android. Info: - Proper way to check balance rates Proper way to check balance rates. Look at the first set of numbers you have, that is the injector pulse width in micro seconds. A balance rate of 7 According to Mitchells the balance rate should read +-4 mm3 and the reading must be taken at the moment of the performance problem, ie when it surges, or when it stalls, etc. While truck was running I decided to pump the hand primer to see what happens when the fuel pressure goes up. You do not want to put nozzles on Low Pressure; Leaks in the fuel line: Fuel pump issues: Fuel pump wiring, fuse, or relay issues: Upstream clog in fuel line or filter: Fuel pressure regulator failure These are the injector balance rates on my 2002 lb7 duramax with 210,000 miles. 5 This all started randomly. M. 9 are a possible cause for rough run. My LLY had 2 that were returning to much fuel but all 8 had perfect balance rates. Checked last night: 1 -3. They were all over the place, number 8 being the worst at I hooked up and check my the injectors rates because it seems to be lacking power while pulling my enclosed trailer. Figuring out the PID for each piece of information is half the battle.
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