I finally achieved, what i consider, an excellent idling engine. Hp tuners vcm suite is designed for both the home enthusiast and the professional tunershop that tune gm, ford, and dodge. Big cam runs rich or it doesnt right at allsuggestions. In the event you are experiencing an erratic idle after loading a tune or after performing any action that clears kam keep alive memory, an idle relearn can help you get back on track. Its best if you avoid using common keywords when searching for hp tuners. File open open an hpt or bin file close close the current hpt or bin file save saves over current file saveas. For crank relearn, part of the task is to goose the throttle and hit the revlimiter. By the time i pay to have it done im 34 of the way to hp tuners. Hp tuners was added to downloadkeeper this week and last updated on 21apr2020.
A beginners guide to tuning gm vehicles with hp tuners software, offered by the tuning school of odessa, florida. An example of this command is the reset fuel trims. Start the vehicle and place it in drive at, or neutral manual. The idle learn procedure when youre having problems, the first thing worth trying is the idle lean procedure. Use the information on this website at your own risk, can not be held responsible or liable for damage caused to your vehicle or various engine and transmission computers as well as personal computers. Custom tuning has been a passion for the rpmextreme crew. Taking into account the feedback and suggestions from our customers, also with the help of hp tuners and the tuning school, we have a clear understanding of how to tackle the grey area of what might be a tuning or software issue. The product is easy to use and has many powerful features usually found in custom tuning shop software. Idle tuning after cam swap with hp tuners duration. Select and enable crankshaft variation relearn procedureusing scan tool. Should you wish to change the vehicle your ecm is installed in, you can now send us your already hp tuners modified ecm with your new vin and we will reprogram and return to you. Ls1 with 799 243 heads, and thumpr camshaft cpg nation. Its great to see just how slow the idle trims move and see why most people have trouble tuning idle because they never wait long enough for the trims to adjust. The ecm uses nonvolatile memory to keep track of the iac position when the engine and ecm are turned off.
I download an enhanced maf os and the real time tuning. Decelerate to a stop, allowing vehicle to downshift, and use. If you experienced the second result, you probably have too much base running airflow added airflow final minimum table. If using a maf sensor, only tune the idle and part throttle areas of the ve table, 4000rpm and below.
Currently it is connected via the mpvi interface which is a right pain in the arse. Hp tuners, the home of vcm suite and the mpvi since 2003. Restart the engine and again shift into drive or neutral. With experience doing custom dyno tuning using handheld tuners as well as standalone systems members of our crew were some of the first to tune supercharged jeep jks and cut our teeth on corvettes and trans ams. Before you drill a hole in your throttle body, before you toss some odd numbers like commanding a 1500rpm idle at your tune, or before you just deal with a terrible idle that you cannot seem to get ironed out, take. You should have received your application key via email after you placed your order or inside of the box with your interface. In the forum you will find an informative tech area, a place for members journals, vendors with special members pricing, and monthly contests. With the hp carb you should have a good enough idle circuit to idle clean at the higher speed. Hp tuners mission statement the mission is to provide the most complete, cost effective tuning and data acquisition solutions for enthusiasts and professional shops. You will be prompted to enter in an application key. Engine has to be up to at least 158 degrees ferenheit.
Im hoping you can help me with idle tuning this engine using hp tuners. The problem with faking out the prndl switch as just mentioned is that for some reason the transition time to indicate park and ingear is. Idle tuning the following is a collection of idle tuning notes, tips n tricks and how2s for idle tuning a big cam or any cam for that matter that i used when dialing in my 248254. Also included is driveability tuning, which is idle and part throttle maf. Guys, here is the procedure i have been following when idle tuning an ls2 car with cam or whatever upgrades that warrant having to fix the idle. Exhaust note is more angry and it seems to pull harder. Under the vehicle functions option on your tuner there is a listing for special functions.
Russk idle config and startup airflow tuning with hp tuners. For some reason that nobody can really explain, the interface introduces a 0. This is what your default table display will look like. You can see the stit and ltit adjust as you move the raf up and down in real time. The engine revs up and then decelerates toward idle smoothly and steadily and returns to the target idle without overshooting or undershooting the target idle. Fuel enrichment at part throttle boost tuningtuners. To perform a crank relearn please follow these directions carefully. Hp tuners mpvi2 and pro feature set with pro link this package gives you the latest in hp tuners technology. If you choose to follow any of these how2s, please do so at your own risk. We use cookies to give you the best possible experience on our website. Simplifying your search query should return more download results. However, without the gear select type change, you should be able to ground blue 32 and blue 34 to accomplish the park signal for the sake of crank learn. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Allow vehicle to idle for one minute in n position.
Keep the brake pedal depressed during the entire procedure. Hp tuners target idle tuning for mild to large camshafts hp tuners cam tuning how to. Hp tuners now supports the 202018 porsche 991 gt3 and gt3 rs. Mpvi2 pro feature set learn more here pro link learn more here package the mpvi2 together with vcm editor and vcm scanner, which make up the essentials of vcm suite, and you have. In this log i was on the highway going up a hill in 5th gear and just tipped the throttle a bit to climb the hill. One of the areas we see a lot of people struggle with when reflashing gm vehicles is with idle performance. These controls are live and make changes instantaneously. The engine fires up fine, and with some throttle will idle nicely at 1200 rpm. As you can see in the screen shot below i can make quite a bit of boost right off idle. Many newer cars with powertrain control modules pcms have to relearn engine idle after a battery is disconnected. Hi guys, i am struggling with the idle on a 2010 camaro with an ls7, large 240250 cam, msd intake, headers, exhaust. Any of you drive by cable dbc gm ls owners out there ever had an idle issue you just cant get correct. So far adjusting the cam timing has yielded some good results, most noticeably from 3500 6500 rpms. Sometimes with basic out of the box carbs they will get even more rich once you turn the idle up enough to uncover the transfer slots,but the hp carbs are pretty well sorted out in that regard.
Finally got case relearn to work hptuners s10 forum. Gen iii speed density ve table and maf tuning instructions with a wideband o2 sensor create by 69lt1bird jeff anderson 1 these instructions are written for the beginner and intermediate user of hp tuners software. What is the idle relearn procedure answered by a verified mechanic for honda. I recently spent several days reading books about efi idle tuning and improving my engines idle quality. 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. Drive the vehicle to complete the relearning process.
If your idle is too high do the relearn with the vehicle in drive. Finally, i watched gm beginners tuning guide, a dvd by greg banishs calibrated success and sold by summit racing. Release throttle to idle position once ckp fuel cut off is activated and engine starts to decelerate. Each car has a unique iac value that takes into account the condition of the sensors, air and vacuum passages, etc. Tuning idle igotasti is an online forum and community for all subaru wrx sti enthusiasts. Many downloads like hp tuners may also include a crack, serial number, unlock code or keygen key generator. You can find it in your start menuprogramshp tunersvcm editor. I was also able to dial in my idle so nicely and get the timing perfect on it to where it uses. Idle tuning part 12 hpt base idle speed settings youtube. Turn the ac on and allow the engine to idle for at least one minute. Now enhancing these to new heights with a new feature rich vcm editor and vcm scanner. If the idle becomes unstable, try raising the idle timing advance if necessary.
This has two useful functions for your mustang that may be needed in certain circumstances. Ensure the engine is at normal operating temperature ect 65c. To improve search results for hp tuners try to exclude using words such as. They were able to make a beta version of vcm suite that works for tracking cam movement on my application. Idle tuning hp tuners gmhp tuners practical demonstration. When trying to relearn the idle air volume on a nissan there are a couple things that you need to check if it wont complete. Right after 3,740 rpm, the ecu snapped the throttle back to idle. If you performed steps properly and your engine is able to idle smoothly, goose the throttle while at idle and note what your engine does. This tech tuesday video will teach you how to upload and download a tune file as well as changing your tire size using. 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. If idle is still unstable, raise the target idle speed to the lowest possible point where idle stability exists and repeat steps 14. The vehicle may need to be driven for 10 miles 16 km or more to relearn the idle and fuel trim strategy. Gm hp tuners learn at home course why people love it. Jon and the rest of our tuning team have been working with both factory and.
Engine idle refers to the lowest rpm or speed at which the engine turns. Run the engine until the cooling fan has cycled on and off, or for a maximum of 10 minutes. Nissan idle relearn snapon diagnostics product forums. Ok now that weve got that out of the way lets move on. Hp tuners 7 downloads zedload download software, tv. New downloads are added to the member section daily and we now have 358,878 downloads for our members, including. Cost to license is 10 credits and an internet connection will be required. Im at 1500 1600 rpms, 25% throttle, and im making 5psi of boost. Slowly accelerate the engine to 4000 rpm or indicated rpm for your vehicle. The target idle and timing adjustments must be at zero no correction for the relearn to complete. Gm idle relearn procedure perform the following relearn procedure for the onboard computer to adjust to the new idle position on the electronic throttle body. Well go over each below for their purpose and how to utilize them.
Hp tuners downloadkeeper download software, tv shows. The removal of electrical power from the engine erases idle memory from the pcm, the computer where it is stored. The kam or keep alive memory is the memory that is stored in the powertrain control module pcm. I disconnected the hp tuner cable from the car while i did the tps relearn. Hold rpm until engine speed drops back toward idle. Whats the difference between this and a crank relearn. I have tried adjusting the idle airflow up and down without much luck and further tried to tune the over under speed spark and proportional and integral settings. In fact, i believe the holley hpdominator ecu is more sensitive to idle tuning idle algorithm, than the commander 950 is. Accelerate at normal throttle position 2050% until vehicle. Example showing real time modification of the base raf table during idle. After settling for about 45 seconds, the idle will hold itself at rpm. Idle tuning gm lsx engine with mild cam using hp tuners. If they were modified in any way, download a stock tune for your car from, and use the compare function to verify theyre stock.
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