Questions about the ppe xcelerator programmer for the lbz pacific performance engineering ppe fullerton ca. How to check the health of each cylinder of your engine. This video will show you how to use your hp tuners scanner to determine. Join date sep 2002 location chicago, il posts 6,935. Fuel injectors highperformance motors are even more important to keep in balance. This video will show you how to do a modified power balance test. Now enhancing these to new heights with a new feature rich vcm editor and vcm scanner, coupled together with the latest generation mpvi2, this is only tuning and diagnostic solution youll. With dtes powercontrol, fuel savings of 15% in trucks and tractors is not uncommon, but does depend on the vehicles mileage, age and the application for which it is used. File open open an hpt or bin file close close the current hpt or bin file save saves over current file saveas. Injector testing, cleaning, honing, flow balance, and seal kit. Hey all, i am trying to do an injector balance test on 99 silverado 4. Different engines will have different procedures for performing this test and a vehicle specific auto repair manual is recommended for testing.
This is a great added benefit to you as the dpf is known to cause costly breakdowns, lower mpg and significantly reduce performance, if youre. Jan 21, 2018 hey guys, alright so issue started 6 months ago after a trip back from camping hauling a 4500lb trailer, an oil change and a tune with the hand held i was given when i got the truck. Thank you for visiting snapon diagnostics product forums. However the balance field in vagcom measures more than just injector balance cylinder condition, etc so take it for what it is. We flow test and balance fuel injectors the flow testing part is correct but the balancing part is a myth. Hp tuners starlite diesel custom tuning cummins, duramax. However, the j 39021 has multiple settings to allow for accurate testing of injectors varying resistances. This test can help isolate clogged, dirty, or inoperative injectors. Plus correct injector latency, full injector data supplied for all gm vehicles in either hp tuners or efi live format. For this reason, i always bench test any injector i replace on a vehicle.
Ive got that down and my ltft are 03% almost all the time. The gm injector balance test appears to more manually involved and not automated start to end like fords relative fuel injector flow test because the gm injectors are individually selected manually and ignition key cycled to off then on to prime the fuel rail back up after manually writing down the pressure drop before selecting the next one, one at a time. As you can see, zero in the offset verses of the injector tip temperature reverses that rich after reflash problem. Tuning 101 tuning for dummies plus krambos idle tuning tips. We now have our own emissionstest equipment that helps us validate a. This is especially helpful if you are experiencing an issue with your truck without a dtc. This can literally save hours of wasted downer time, and we need to thank the hp tuners forum who found this table, as well as the hp tuners engineers for incorporating it.
The gm ecuspecific short pulse width compensation and minimum ipw data for fuel injector clinics 2,150 ccmin injector, formatted for hp tuners. Breakpoints determine the pulsewidth required to switch from the low slop to the high slope. Years of success and experience in the automotive tuning industry gives us the competitive advantage to stay ahead of the market, innovate and adapt to tomorrows technologies today. The other test is a standard injector balance test. The right fuel injector must combine the elements of fitment, coil impedance, flow rate, and tuning data into one injector specific to your engines needs.
Tuning high flowing injectors for low pulse width operation. You can also adjust the data set itself if you want to leave the axis labels alone. You can check your injector balance rates with the edge evolution cs2. Is there some sort of indexed value system the rounds to the closest values. These are the values i get with the engine running at idle fully warmed up. The cylinder that is not firing or has a dead injector will not struggle when you disable that cylinders injector. Delphi fuel injectors flow rates and resistance specs. In the lower right, enter in your new injector flow rating and the fuel pressure it is rated at. Injector balance test if this is your first visit, be sure to check out the faq by clicking the link above. How to determine which cylinder is misfiring using hp tuners. This digital gauge display works well with custom tuning products or as a standalone monitor for total insight on how your vehicle is performing.
I have an 04 silverado pcm and ive swapped ls3 heads, intake, and injectors on my 6. The number of cylinders in your engine, the base fuel pressure you will run your fuel pressure at idle, our calculator assumes a 1. We want you to have the best experience possible when dealing with us both before and after the. An overview on computer tuning diesels, the epa, and the future of tuning. No two injectors will flow exactly the same amount of fuel. Returnless fuel system cars add additional compensation tables related to fuel rail pressure. The fuel injector balancing myth no one can actual balance. If your engine is running fine, cylinder balance is basically useless. Only the edge evolution does the injector balance test. The reason is that by disabling the injector for the affected cylinder, youre not causing that cylinder to stop combusting because its already not combusting even when the injector is enabled. Delphi fuel injectors flow rates delphi fuel injectors can be found in millions of engines across the world. This is especially helpful if you are experiencing an. The fuel injector balancing myth no one can actual. I posted a rfi at on the questions i have about whether or not this product serial port device and the vcm suite hardware and software serial number have to be reregistered and transferred over to my new account as mrrsm over at the hp tuners web page.
Fic bosch 52 lb 550 cc for ford fuel injector connection. Jul 01, 2015 watch this tech tuesday video on how to import injector data into hp tuners. Tune your mustang using hp tuners injector dynamics. Simply connect the power leads to a 12 volt car battery, hook up the injector, select the pulse width, and press the button.
This product includes baseline testing, cleaning, nozzle baseline flow and tip swap, nozzle hone to desired flow level, final test and balance. An additional charge will be required if injectors do not pass testing. For about 50% of the truck owners out there, the generic box tuners work fine. I hope this clears up exactly what efi live, hp tuners, udc, sniper, or any of the other tuning suites truly are. Limit maximum injector duty cycle to less than 90% for safe operation. Kpa table open up the unit conversion window found under the tools menu.
Some functions of snapon diagnostics product forums will not be available to you if your are not logged in as a registered member. Watch this tech tuesday video on how to import injector data into hp tuners. Hp tunner swich on the fly 6 tunes optimal welding tunning. I found an actual spreadsheet on hp tuners forums, although their x and y axis is reversed, but thats easily fixed with a few clicks in excel. Engine aspiration, turbocharged, supercharged, and naturally aspirated engines have different bsfcs see glossary of terms for definitions desired horsepower, the amount of power you. Hp tuners, the home of vcm suite and the mpvi since 2003. If you already have our layouts you wont need to follow the steps in this video. Ive been doing some autove tuning just to get the hang of things. One test induces a constant current amperage to load the injector coil and test the internal coil windings. It really sucks because i am not throwing any codes yes the truck has a stumble sometimes idling and under load. When i find the injectors are firing correctly and electrically sound, the next thing i do is to perform an injector balance test.
Rich after reflash injector tip temperature problem and fix. Fuel injectors are not a onesizefitsall type of product. Again be careful, anyone with the tools can load tunes on an autocal and sell them. B3701 injector pulse width voltage adjustment b4001 injector flow rate b4003 minimum injector pulse width b4005 small pulse adjust. Fast forward a couple weeks i purchased a ae scanner and ran a buzz test and contribution test. To our knowledge there does not exist a company that can precision drill or redrill the fuel injector outlet holes or regrind the pintle shape to such exacting specs that will allow for precision balancing in both spray pattern and. Ultrasonic fuel injector cleaning service and flow testing will restore your dirty or clogged fuel injectors to the same level of a new fuel injector. When changing injectors, it is best to have a complete set of test data. I posted a rfi at on the questions i have about whether or not this product serial port device and the vcm suite hardware and software serial number have to be reregistered and transferred over to my new account as mrrsm over at the hp. Aug 23, 2016 this great video will show you how to set up and view injector duty cyle using hp tuners 3. What is efi live, hp tuners, udc, or other diesel pickup.
Correct ifr tables for ls3ls7 injectors in gen iii. The base fuel pressure you will run your fuel pressure at idle, our calculator assumes a 1. I have not had them pop tested just yet, but i did do an injector balance test. I noticed on my way back the truck was sluggish and seemed to be lacking power periodically. Now i want to stop practicing and do it right, ive read that its best to use a gm injector because gm did all the work with all the other setting. With hp tuners, you can click on the torque axis of a table and open the labels, allowing you to just divide those labels by 2 and properly adjust the table by 50% shown below. An excellent primer by eric brooks from brooks speed. Injector balance testing snapon diagnostics product forums. Engine aspiration, turbocharged, supercharged, and naturally aspirated engines have different bsfcs see glossary of terms for definitions. The tabled injector data provided in the excel sheet that you can download by following the link below are customized to be used by hp tuners software in the. Download and open this hpt idle configuration in the vcm scanner. Ive got a completely stock lb7 with a high pressure fuel leak.
Injector tuning was developed by dte, especially for use in the truck, tractor and bakkiesuv segment and is more advanced than our normal sensor tuning systems. The edge products 84 insight cts2 delivers unmatched monitoring capability for any obd ii vehicle 1996 or newer. Gm injector balance test snapon diagnostics product forums. The diagnostics menu gives you the option to test your injectors to see if they are running correctly. Remember to check hptuners website to ensure your vehicle does not. Use this calculator to determine the best size injector for your setup. Correct ifr tables for ls3ls7 injectors in gen iii archive.
We recommend cleaning the injectors at regular intervals to keep them flowing at peak efficiency. I was told by another member that an issue i am having with startup smoke may be caused by leaky or work injectors. Hp tuners mission statement the mission is to provide the most complete, cost effective tuning and data acquisition solutions for enthusiasts and professional shops. Delphi is an original equipment supplier to more than 25 vehicle manufacturers and is the largest and most diversified supplier of quality automotive parts to the global aftermarket. Great deals on new and rebuilt high performance fuel injectors at fuel injector connection from brands including bosch, siemens, lucas, and denso. Are you having issues to warrent checking the injector balance. After changing most sensors, checking balance rate, injector kill test and so on. This is a great added benefit to you as the dpf is known to cause costly breakdowns, lower mpg and significantly reduce.
This can literally save hours of wasted downer time, and we need to thank the hp tuners forum who found this table, as well as the hp tuners engineers for incorporating it so quickly. Slopes represent the flow of the injector at high and low pulsewidths. Questions about the ppe xcelerator programmer for the. Fuel injector coil balance tester kentmoore j39021. Edge products 84 insight cts2 xtreme diesel performance. This great video will show you how to set up and view injector duty cyle using hp tuners 3. Up until the discovery of these compensation tables, the most common technique used by tuners to wrangle in higher flowing injectors was somewhat rudimentary and didnt work very well for streetcars.
At first thought it was leaking out of one of the hp injector lines, but think ive ruled that out. Disabling the dpf will allow you to install a dpf delete pipe and eliminate the very costly to fix dpf system. You are currently not logged in to a registered account. Now enhancing these to new heights with a new feature rich vcm editor and vcm scanner, coupled together with the latest generation mpvi2, this is only tuning and diagnostic solution youll ever need for your modern obdii vehicle. How to determine driveability using hp tuners vcm scanner. This is a lot to ask an injector line up consisting of only a handful of options. Yesterday i ran live date on the injectors cylinder 1 1.
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