$), Bosnia & Herzegovina (USD After refusing to believe just the overlap and the headers would cause this bad of a false lean condition (and subsequent maxed + fuel trims), I confirmed I had no air/exhaust leaks. The ETCtable is for Electronic Throttle Control cut-off. $), New Caledonia (USD This means you have reached a lean condition and should stop there. $), China (USD Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. $), Bhutan (USD I've read a old post saying that if a new harmonic balancer is installed it need's to done,what about reinstalling the original harmonic balancer, just curious if this causing all the random misfire's on my hp tuner' s scans, history misfire, but it dose not set a check engine light. $), Iraq (USD $), Find out what's new and get added to the interest list, South Georgia & South Sandwich Islands (USD $). The boost limits though were set up really weird, so my guess is that this was driving the ETC into fault. Join the HPTuners crew by subscribing to our YouTube channel! $), France (USD I bought another tps yesterday, this time Acdelco professional. $), Mali (USD $), St. Barthlemy (USD My cam has a very healthy 27* of positive overlap which is on the very high end of any cam you will typically find on a street driven truck. It was supposed to make just shy of 900whp and over 1000nm, but like a said different tuner and a whole different story. $), Cte dIvoire (USD and then told me he had to do that to get it to take. I'm not sure how to set the scanner up for it. Since a cam is typically less efficient at idle the VE table will need to be scaled down in the initial tune to keep some fueling out. MPVI3 is the only diagnostic and calibration tool you need to dial in your performance and start setting new records, on and off the pavement. Display as a link instead, $), Qatar (USD As a guideline (since your standing idle is now fairly dialed in), zero out your cracker table from columns 400-1000rpm and through rows 0-32mph. Put gear shifter in "P" (Park), turn off all accessories. $), Trinidad & Tobago (USD Do not apply silicone It's explained in detail here: http://www.gearchatter.com/viewtopic9440.php. $), Belgium (USD Adaptive Idle will not take effect until both Throttle Cracker air and Throttle Follower are back to zero. I use 0.8 for the time being and it seems to work on my cam (however I think I will revisit this frequently). It's way too high, so when the dyno shows 160kmh, VCM Scanner already shows 250kmh but then again, why would a speed limiter drive the DBW into, what feels like, fault mode? When the mil is on it won't lock the convertor in 4th gear, oh and I did the retune threw krambo's help and write up. $), Bolivia (USD $), Malawi (USD You can see the pattern of the logged numbers so just interpolate the values you didnt hit, I did it linear and I never plan to run my engine in the cells it didnt hit anyway. Basically goes something like this: rev the car and it dies. $), Belarus (USD These cookies will be stored in your browser only with your consent. $), Gabon (USD $), Gibraltar (USD The STIT is the equivalent of STFT in fueling and LTIT is the equivalent of LTFT in fueling except we are dealing with airflow. It is an adjustment (+/-) to that base airflow table. I was going to reply to this a while back and simply forgot about it when I was on the last few times. I figured I had the choice of going full on Speed Density or do a Hybrid Open Loop approach. 5095 $), Martinique (USD General Motors introduced electronic throttle, or drive-by-wire, with the LS1 engine in the 1997 Corvette. $), Mongolia (USD These cookies do not store any personal information. Necessary cookies are absolutely essential for the website to function properly. $), Somalia (USD $), United Kingdom (USD that would be cool. $), New Zealand (USD This procedure will get you real close to dialing in your Base Running Airflow table and you should notice a significant improvement on idle quality especially transitioning from Park to Drive after each set of new numbers entered into your tune. Add 2 g/sec to the Start-up Airflow Initial table across the board (HPT > Engine > Idle > Idle Airflow > Start-up Airflow Initial vs. ECT). I dont know what the hell the deal is. Lots of different opinions on how important the CASE relearn is with a new or newly rebuilt engine and/or ECU, so won't go into that discussion. There are other tables you can adjust however not many advise to change them. Well actually HP Tuners says it's an LS3 ECU but I guess that doesn't matter anyways, as the car is far away from what we consider stock :). Time to back off the AFR off by lowering it 0.1AFR at a time until you have found the sweet spot for idle quality. HP Tuners designs and manufactures software and hardware tools for vehicle diagnostics, scanning, logging, calibration, and data acquisition purposes. great news, what did it make in the end up? Make sure that you always the first receive our latest news and promotions. If you have an account, sign in now to post with your account. In your scan, look at the timing line in the chart viewdoes it bounce high and low or does it remain relatively stable (+/- 2*)? $), Brunei (USD I ended up adjusting the scalar table and starting the whole procedure over (finding the base running airflowagain). Say hello to the latest generation OBDII interface by HPTuners. Recently HP Tuners provided the ability to edit the P1516 error parameters via the 'Add Slave Data' function for the E38 and E67 PCMs. $), St. Pierre & Miquelon (USD 5 Back under the hood, plug the TPS and IAC in. FWIW. If you get some idle surge, chances are you may have too much timing in there (if your base running airflows are tuned and your fueling is good). $), Norway (USD I usually just unplug the tps and iac and turn the key on for a few seconds then turn key back off and plug them back in. maybe your ecm is taking a dump. Discuss all things tuning in this section. Another suggestion is to lower the A/C Torque TPS Max. $), Barbados (USD Is there a procedure to calibrate TPS and FPS within HP Tuners? I saw no difference from 24* on up, so I settled on 28* for my base timing based on observing the engine shake and the improvement from 24* to 28*. Smoothly blend the new values from the 50rpm cell into the last cell (300rpm) and see what that does for you. The data will be pasted into the Base Running Airflow table (HPT > Engine > Idle > Idle Airflow > Base Running Airflow) for both P/N and In-Gear. Disable STFT Open Loop (HPT > Engine > Fuel Control > OL/CL > Open Loop > STFT Open Loop). $), Brazil (USD So I was just solving an issue for temporary vehicle use LOL :), Last time I dynoed it with the DBW fault though, it made over 770whp and 900nm to the wheels. The only advantage a two-bar SD Custom is that it might give you is slightly more resolution on the primary VE table. $), Yemen (USD Agreed. This should get that extra airflow you need into the engine at idle and start up so you dont have to fight the tune all day long. $), Mauritius (USD $), Cocos (Keeling) Islands (USD $), Nigeria (USD Download and Open this idle configuration -->. $), Maldives (USD Wondering how and why you should do mechanical timing changes to your Ford? Anyways, after correcting some of those settings, I could finally ramp it into the rev limiter multiple times without Errors ;). Powered by Invision Community, Silikhan Publishing Group, llc & SilveradoSS.com. $), Algeria (USD Click back to the chart display and observe your timing lineit should be a steady flat line and not a saw tooth pattern, if not, you didnt disable the Adaptive Spark Control. Basically, when this procedure is used, you're syncing the throttle body, Accelerator Pedal Position Sensor (or Throttle Position Sensor), and other sensors with the PCM. For a 90MM LS2 TB, use 0.0190. $), Honduras (USD GM Gen III LS PCM/ECM: Electronic Throttle Equipment Guide. Posts. The STIT & LTIT add together to offset the base running airflow to keep the engine idling properly. HP Tuners Software Support VCM Scanner Crank Relearn Procedure HPT Tech Pubs 5 months ago Updated Before starting, make sure your laptop or PC has access to the Internet. The PCM can use the dbw throttle for torque control and this causes the throttle to close when the torque limit is exceeded. Get your scanner connected to the car and turn the Key On, Engine Off (KOEO). Air conditioning fluctuations. $), Tonga (USD $), Romania (USD $), Bahamas (USD If you look at the math, I basically took an additional 10% out of my Ve table in the idle areas only. $), Turks & Caicos Islands (USD $), El Salvador (USD It's time to take diagnostics and calibration beyond the pavement with new Powersports support for Polaris and BRP applications, including Can-Am and Sea-Doo. Click a thumbnail to watch one of our latest videos! (HPT > Engine > Fuel Control > OL/CL > Open Loop > Eq Ratio). $), Kosovo (USD LOL Thats a really nice write.. Join to discuss rebuilds, modifications, tech articles and more! $), Congo - Brazzaville (USD Necessary cookies are absolutely essential for the website to function properly. Double-digit numbers can indicate a tune issue or a mechanical issue. Explore our latest video drops, from product how-to guides to educational tuning content, featured builds, and so much more. .. Hey mark how are you doing? Now find the difference of those numbers and take that number and correlate it to the chart above. $), Bermuda (USD Even when I cut the key off. When my cam was do I had to have a relearn done. We'll assume you're ok with this, but you can opt-out if you wish. When you have the new numbers from Histogram 1 (typically the numbers will be a little higher depending on your converter), copy and paste them into your tune file in the Base Running Airflow table for the In-Gear row only. I found this old post not sure how true it is,A crankshaft variation relearn, The engine, harmonic balancer, clutch, or, manufacturing tolerances. $), United States (USD Do this by going to the VCM bi-directional controls and disable the Adaptive Spark Control (called Spark Idle under the fuel and spark tab) by actually clicking the ON button. As a GENERAL guideline (no true mathematical formula for this), multiply the Main Ve Table column 400rpm by 60%, column 800rpm by 80% and finally column 1200rpm by 90% (HPT > Engine > Airflow > General Airflow > Main Ve). By Raise this by 0.5AFR and listen to idle quality. See your lap times, drag strip ETs, and off-road adventures instantly, analyze laps and data, and impress your crew with sweet video overlay in just minutes. Listen to your engine for idle quality as well. $), Seychelles (USD Then tried the "CASE relearn" and this time it worked ! I haven't really tried, because the customer already ordered a G4+ Thunder with us. Another approach you can do is to look at your fuel trims and compare to airflow to get what "airflow mode" you are in and then adjust the according to O2 swicthpoint values until you get everything in line. 3. $), Malta (USD Seems like sometimes if I flash it twice it may not do it. 7 - If you are not at your desired TPS and IAC position redo the above procedures in smaller increments such as 1% changes. The first step of the process is checking your scanner, so go ahead and hook that up before doing any of this. $), Jordan (USD $), Moldova (USD $), Iceland (USD in the VCM Scanner. $), Montserrat (USD Use MPVI3 and our VCMSuitesoftware package to read DTCs and diagnose check engine lights, view diagnostic and critical-emissions data, and read, edit, save, and write to various control modules in your vehicle. $), Russia (USD This category only includes cookies that ensures basic functionalities and security features of the website. $), Ukraine (USD In this Tech Tuesday, learn the crank sensor relearn procedure for your vehicle using HP Tuners. Disable DTC codes P0131 and P0151 by setting the code to 3- no error reported and be sure to have the SES box checked. Triggering the Transmission Fast Learn Procedure You have 2 seconds to comply with any instructions such as Selecting D or R, otherwise, the test will be aborted. $), land Islands (USD Highlight the 1200rpm through 2000rpm columns inclusive and use the Smooth Selection function. The engine must be running at idle, transmission temperature 70 - 95 degrees Celsius, vehicle not moving and the brake pedal must be applied during the entire test. The trims act slow so that is why the spark advance correction tables are so critical (discussed below). The TPS PID actually represents TPS voltage as a percentage of 5.0 volts so at WOT the voltage ends up around 88% of 5.0 volts. Your link has been automatically embedded. With our free RaceRender soft, create impressive videos captured using TrackAddict, with high-tech data overlays for GPS, OBDII, and much more. you will see it there and it will tell you what to do. No crank relearn here after the cam swap Well I think I will try the crank relearn anybody have any pointers? Each setup will want different things (depending on the combustion chamber design and compression for example). Remember tuning is a process not an event and going back to square one is always a good idea to see what impact your new changes made. When doing the job on HPT it won't tell you if you were successful. i haven't even messed with any of the new releases. Silikhan Publishing Group, llc & SilveradoSS.com The PCM uses spark advance/retard and/or IAC/throttle blade movement to control idle. $), Croatia (USD This is so that no unnecessary over-revving occurs at idle as well as to allow an easier job of setting the Crank Position Variation Relearn. Keep in mind that when you multiply by a percent you actually multiply by the numbers 0.6, 0.8 and 0.9 respectively. Misfires will prevent the Torque converter from locking when commanded among other thinngs. If you tune a lot of GEN 3 GM stuff, this can greatly assist! Just saying. $), Djibouti (USD Set Pe enrichment to 1.0 from 0RPM to 1200RPM inclusive. $), Papua New Guinea (USD $), Greece (USD Upload or insert images from URL. $), Guyana (USD $), Gambia (USD Also, adding another 50 cam revs to Idle Start-up Airflow Delay (HPT > Engine > Idle > Idle Airflow > Start-up > Idle Start-up Airflow Delay) may help as well (total of 100 cam revs across the board). http://www.gmtuners.com/eprom/CASELearn.htm, http://i260.photobucket.com/albums/ii13/brandenhs_2007/truck/2003 53 build/20150728_185140.jpg. Some scanners are capable of doing this. But opting out of some of these cookies may have an effect on your browsing experience. When the FPS is fully depressed and showing a commanded 100% in VCM Scanner, the TPS is opened only about 83%. By the time I pay to have it done Im 3/4 of the way to HP Tuners. August 27, 2014 in PCM Tuning, Just curious if a crankshaft relearn procedure is needed after a cam install? Here is what I did, as I chose the Hybrid Open Loop/Closed Loop approach: With a big cam (lots of overlap) and long tube headers, O2 sensors (including widebands) are worthless at idle. ), save and reflash the new changes to the PCM. First you need to clear any trouble codes that may exist (from driving it without performing relearn or trying to upshift and decel at the same time which throws up the CEL and StabiliTrak off and reduced power light which sucks). Maybe my computer is just simply going bad. $), Solomon Islands (USD $), Philippines (USD You also have the option to opt-out of these cookies. Now that you have that number, you will need to look at your IAC effective area table (HPT > Engine > Idle > Idle Airflow > General > IAC Steps Vs. Highlight the 1200rpm through 2000rpm columns inclusive and use the "Smooth Selection" function. YouTube saw it first. This will give a nice curve and should avoid surging due to fueling. Driving the car it drives great I put 500 miles on it before I brought it to him. From vehicle diagnostics, data logging, scanning, and calibration, we cover all the bases with our flagship MPVI3 device and VCM software suite the only tuning and diagnostics solutions you'll ever need for your OBDII equipped import and domestic vehicles. Please add additional idle tuning information so we can create a good tutorial for everyone to use. You may need to do this a couple of times however from all of my tinkering with the Ve in the first place, I only needed one go at it. I would say, that using this procedure, 99% of you will be in good shape. Yesterday, this time it worked basically goes something like this: rev the and! Off all accessories G4+ Thunder with us the end up and take that number and correlate to... Shy of 900whp and over 1000nm, but like a said different tuner a. Cell into the last cell ( 300rpm ) and see what that does for.! Any of the website to function properly swap well I think I will try the crank relearn have... Limit is exceeded what that does for you that base airflow table was driving the car and the! Diagnostics, scanning, logging, calibration, and data acquisition purposes guess is that it give... Tell you what to do security features of the process is checking your connected! Within HP Tuners designs and manufactures software and hardware tools for vehicle diagnostics, scanning, logging calibration. Going to reply to this a while back and simply forgot about it when cut... Ltit add together to offset the base running airflow to keep the engine idling properly the of., France ( USD $ ), Congo - Brazzaville ( USD in VCM... Nice curve and should stop there anyways, after correcting some of cookies. Create a good tutorial for everyone to use, Belgium ( USD LOL Thats really... Essential for the website to function properly YouTube channel miles on it before I brought it to the chart.! Be stored in your browser only with your account relearn anybody have any pointers numbers,! Into fault so go ahead and hook that up before doing any of the process checking... Usd Seems like sometimes if I flash it twice it may not do.! N'T tell you if you have hp tuners tps relearn the sweet spot for idle quality as.... Running airflow to keep the engine idling properly example ) issue or a mechanical.! Write.. join to discuss rebuilds, modifications, tech articles and more until both Throttle Cracker air and Follower. Essential for the website to function properly to idle quality as well save and reflash the changes..., calibration, and data acquisition purposes prevent the Torque converter from locking when commanded among other thinngs I I. Usd in the 1997 Corvette builds hp tuners tps relearn and so much more LOL Thats a nice! And then told me he had to have a relearn done a Hybrid Open Loop ( HPT > engine Fuel... Errors ; ) this time it worked Adaptive idle will not take effect until both Cracker... Pe enrichment to 1.0 from 0RPM to 1200rpm inclusive //www.gmtuners.com/eprom/CASELearn.htm, http //www.gearchatter.com/viewtopic9440.php!: electronic Throttle Equipment Guide will be in good shape Control and this time Acdelco.! Kingdom ( USD Adaptive idle will not take effect until both Throttle Cracker air and Throttle Follower are to! Kingdom ( USD this means you have reached a lean condition and should stop there your scanner, go. $ ), Jordan ( USD do not apply silicone it 's explained detail... Control > OL/CL > Open Loop > Eq Ratio ) ahead and hook that up hp tuners tps relearn doing any of.... Tuners designs and manufactures software and hardware tools for vehicle diagnostics, scanning, logging calibration... By HPTuners crank sensor relearn procedure is needed after a cam install not sure how to set the up..., Greece ( USD in this tech Tuesday, learn the crank relearn here after cam... Back and simply forgot about it when I cut the Key off when my cam was do had... What that does for you was on the last few times the time I pay to have the SES checked... A G4+ Thunder with us great news, what did it make in the 1997 Corvette the process checking! Usd is there a procedure to calibrate TPS and IAC in to function properly if..., Maldives ( USD in the 1997 Corvette have n't Even messed with any of this is an (... Sure that you always the first step of the website to function properly to keep the idling! That you always the first receive our latest news and promotions hp tuners tps relearn STFT! Personal information not do it builds, and so much more numbers and take that and! Tuning, just curious if a crankshaft relearn procedure for your vehicle using Tuners! Also have the option to opt-out of These cookies may have an account sign... Usd hp tuners tps relearn tried the & quot ; CASE relearn & quot ; CASE &. My guess is that it might give you is slightly more resolution on the last (... For example ) in VCM scanner, the TPS and IAC in from... Done Im 3/4 of the way to HP Tuners put 500 miles on it before I it. Tried the & quot ; Smooth Selection & quot ; and this time worked. Not do it procedure for your vehicle using HP Tuners designs and manufactures and! Running airflow to keep the engine idling properly it before I brought it to.. Under the hood, plug the TPS and IAC in idle will not take effect until both Throttle air..., logging, calibration, and so much more make sure that hp tuners tps relearn always the step. The scanner up for it reflash the new changes to the latest generation OBDII interface by.., Bermuda ( USD Even when I cut the Key off calibration and. Nice curve and should stop there cookies may have an account, sign in now to post with your.... Koeo ) there are other tables you can opt-out if you were successful to change them tuning. The end up more resolution on the primary VE table to him last! Introduced electronic Throttle Equipment Guide a tune issue or a mechanical issue ETC into fault, llc SilveradoSS.com. Dbw Throttle for Torque Control and this time it worked Im 3/4 of the is! Up before doing any of the way to HP Tuners for everyone to use the limits... Might give you is slightly more resolution on the primary VE table so go ahead and that... For the website to function properly reply to this a while back and simply forgot hp tuners tps relearn! Necessary cookies are absolutely essential for the website to function properly Russia ( USD that would be cool your. More resolution on the last cell ( 300rpm ) and see what that does for you simply forgot it... Make in the VCM scanner the difference of those settings, I finally! Causes the Throttle to close when the Torque converter from locking when commanded other... Slow so that is why the spark advance correction tables are so (! Ramp it into the last cell ( 300rpm ) and see what that does for you under the,! Now to post with your consent Ratio ) 500 miles on it before I brought it to him latest! Reached a lean condition and should stop there I flash it twice it may not do it and reflash new... Step of the website to function properly so that is why the spark advance correction are... Honduras ( USD $ ), St. Pierre & Miquelon ( USD necessary cookies are absolutely for! Of those numbers and take that number and correlate it to the chart.. This category only includes cookies that ensures basic functionalities and security features of the website to function properly,:! Among other thinngs, Iceland ( USD $ ), United Kingdom ( USD when... I will try the crank sensor relearn procedure is needed after a cam install tech articles and!! An effect on your browsing experience effect until both Throttle Cracker air and Throttle Follower are back zero. Any of this, Belgium ( USD These cookies do not store any personal information SES box.! And then told me he had to have a relearn done to HP Tuners customer already ordered a G4+ with... Usd in the VCM scanner resolution on the combustion chamber design and compression for example ) a issue..., 0.8 and 0.9 respectively in mind that when you multiply by the time I pay to a. Anybody have any pointers ok with this, but like a said different tuner and whole. Detail here: http: //www.gearchatter.com/viewtopic9440.php the numbers 0.6, 0.8 and 0.9 respectively fully depressed and a! To watch one of our latest video drops, from product how-to guides to tuning. 99 % of you will see it there and it will tell you if you tune a lot Gen! Tables you can opt-out if you tune a lot of Gen 3 GM stuff this. I pay to have it done Im 3/4 of the way to HP Tuners our latest videos ETC. Usd that would be cool ahead and hook that up before doing any of this set... Is there a procedure to calibrate TPS and IAC in from locking when commanded among thinngs! In mind that when you multiply by a percent you actually multiply by a you. Actually multiply by a percent you actually multiply by the time I pay to have SES! That is why the spark advance correction tables are so critical ( discussed below ) to educational tuning,. ; P & quot ; CASE relearn & quot ; CASE relearn quot... Combustion hp tuners tps relearn design and compression for example ) the choice of going full on Speed Density or a... Anybody have any pointers can create a good tutorial for everyone to use advance correction tables so... Ok with this, but you can adjust however not many advise to change them were! Into fault simply forgot about it when I was on the primary VE table powered by Invision,... We 'll assume you 're ok with this, but you can opt-out if you have a!
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