Again, smoothing is a good idea for proper transitions. Say hello to the latest generation OBDII interface by HPTuners. When revving to 4500 the rpms kind of hang a bit before dropping. So, what happens is, when you do a ramp run on the dyno and hit 6000rpm the ECU shuts off the throttle to 16.5% and it sits there whatever you do on the accelerator pedal until you shut off the car and start it up again. Deleting this code prevents this in my case. I have to put that in most of my threads because Im late to the game here and some people like to just in and say did you search blah blah. Driving the car it drives great I put 500 miles on it before I brought it to him. Yes, I'm thinking about going to a speed density tune, when I was tunning the VE table over the weekend, with MAF turned off truck ran great under 4000 rpm a little rich at idle, but I think that can be tuned out. I had two approaches that I tried. Save this tune file with a file name you can remember (i.e. $), Palestinian Territories (USD $), Hungary (USD But opting out of some of these cookies may have an effect on your browsing experience. $), Sint Maarten (USD Its awesome. Keep in mind this will be for a new "hole" in addition to any that the TB has (covering the bases for all TB out there) Once that is done, you need to do the Base Running Airflow procedure outlined above to find your new values. Again thanks for the hints the torque limit tables were all maxed out (even the reverse gear :) ). 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. I use 0.8 for the time being and it seems to work on my cam (however I think I will revisit this frequently). $), Qatar (USD $), Israel (USD August 27, 2014 in PCM Tuning, Just curious if a crankshaft relearn procedure is needed after a cam install? $), Vietnam (USD This will give a nice curve and should avoid surging due to fueling. Dont worry too much about how close you are right now because more than likely you will need to redo the Base Running Airflow tables again after you adjust the next tables discussed below. Just as before, do not touch the throttle, change gears or run the A/C or Defrost. $), Netherlands (USD You will only know because if you do it you will hit the crank learn limiter at 4k. 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. $), Anguilla (USD Air conditioning fluctuations. thanks for that, I've done some modifications (up to 40%) for both DTCs but unfortunately it's still acting the same at 6000rpm. Get your scanner connected to the car and turn the Key On, Engine Off (KOEO). Do not apply silicone $), French Guiana (USD $), Mali (USD I figured I had the choice of going full on Speed Density or do a Hybrid Open Loop approach. Set Pe enrichment to 1.0 from 0RPM to 1200RPM inclusive. JavaScript is disabled. Want better coverage of your track days and off-road adventures? 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. $), Myanmar (Burma) (USD live webinars, video lessons and discounts on courses. In this Tech Tuesday, learn the crank sensor relearn procedure for your vehicle u. $), Madagascar (USD $), New Zealand (USD Ported Throttle Body VE Tuning With HP Tuners, Fixing The Surge!! Some scanners are capable of doing this. The STIT is the equivalent of STFT in fueling and LTIT is the equivalent of LTFT in fueling except we are dealing with airflow. $), Burundi (USD Does your new set-up have a hard time starting when warm (turns over several times before firing)? $), Tanzania (USD Start the truck and do not touch anything such as the throttle, Air Conditioner / Defrost (A/C MUST be OFF) or the gear shifter. Did some more testing today and found DTC P1516 which indicates a problem with the electronic throttle body and foot pedal relation. $), Philippines (USD 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. I do not have a full grasp on this yet and since the previous method worked for me, I didnt bother experimenting with it however it is out there. $), Egypt (USD You cannot paste images directly. I knew it wasn't available before. $), Iraq (USD Misfires. Disable closed loop at idle and part throttle by setting PE TPS vs. RPM to 0 from 0RPM to 1200RPM inclusive. These cookies do not store any personal information. $), Seychelles (USD This alone doesn't drive the DBW into fault, but when doing a ramp run it somehow does. $), Suriname (USD By now, your new cammed truck should be idling pretty well (unless you have a cam like mine) so you can go into some of the finer points, one being the Idle Overspeed and Underspeed tables (HPT > Engine > Spark Control > Idle Adaptive Spark Control, Overspeed and Underspeed). 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. The spark reacts much faster than the throttle blade movement, and with larger cams tends to OVER-react. $), Zimbabwe (USD From the Factory Service Manual: 5.7L CAUTION: Do not use spray (carb) cleaners on any part of the throttle body. 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. This shit is so annoying and I think its getting worse. $), Martinique (USD 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 US, European, and Asian vehicles. There's a sticky on the HP Tuners forum covering it here: http://www.hptuners.com/forum/showthread.php?4961-2005-A4-GTO-Help-please&p=32069#post32069. February 15, 2015 by LS Engine DiY. $), St. Barthlemy (USD $), Mayotte (USD $), Romania (USD By 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). We'll assume you're ok with this, but you can opt-out if you wish. In general the "hole" should be big enough so that IAC counts (IAC position) at hot idle is around 60-70 +/- a few units. Hp tuners stated it's extremely rare to brick your computer. Software Support. 238 that would be cool. $), Kosovo (USD At this point, you can save this tune in a separate file, flash the new tune to your truck, fire it up and check engine vitals (fuel / oil pressure etc.) Cams with over 0 overlap up to 15, idle 900-950 all cells across the board, add 2 g/sec to idle airflow across the board both in P/N and in gear (HPT > Engine > Idle > Idle Airflow > Base Running Airflow), add 4 of idle timing 1200 rpm and under and 0.08 0.28 g/cyl inclusive (HPT > Engine > Spark Control > Spark Advance > Idle Spark Advance (in Park). http://www.gmtuners.com/eprom/CASELearn.htm, http://i260.photobucket.com/albums/ii13/brandenhs_2007/truck/2003 53 build/20150728_185140.jpg. This prevents any Pe mode fuel enrichment to occur. Highlight the 400 to 2800 columns inclusive and click on the smooth selection icon. I have a stock throttle body and stock intake. Highlight the 1200rpm through 2000rpm columns inclusive and use the "Smooth Selection" function. $), Bulgaria (USD When my cam was do I had to have a relearn done. 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. Posts. It kicks into a limp mode as the car was generating more torque than it expected. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. BE SURE TO PASTE THE NUMBERS IN THE CORRECT CORESPONDING CELLS! $), Nauru (USD $), Solomon Islands (USD Posts, I've ran into a problem with an electronic throttle body on a supercharged LS7 engine last week on the dyno. I bought another tps yesterday, this time Acdelco professional. 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. This is optional however did help me out for off idle transitions: Set Closed loop proportional O2 error to (left to right): 0.06250 0.06250 0.06250 0.06250 0.06250 0.06250 0.06250 0.15479 0.18750 0.21484 0.24023 0.27002 0.27979. If you do not hit these marks you can experience issues. Set Pe enable to a value lower than what you see at idle (look at your previous idle scans), I set mine to 50kPa and see 75-76kPa at idle (HPT > Engine > Fuel Control > Power Enrichment > Power Enrichment Pe Enable tables). $), Ascension Island (USD Effective Area). $), Namibia (USD $), Uganda (USD Make sure that you always the first receive our latest news and promotions. If you have a real cold night, you can hit the low temperature cells and fine tune from there. If you have electric fans, turn them off by setting the on temps to something like 250*F (or simply use the bidirectional controls in the scanner to disable them). Be safe here and stay in the drivers seat during the entire procedure. I dont know what the hell the deal is. $), French Polynesia (USD $), Haiti (USD 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. Dial-in your performance for the street, track, off-road trails, or water with the software suite that changed the game. If you wish to drill your throttle body, I would quote this approach rather than "wing it": (drill bit size in inches) converted into mm, that answer squared, then times "pi" yields roughly the mm2 size of a circle (the hole to be drilled). You may need to fine hand adjust your Base Running Airflow table to achieve tighter results (keep in mind your LTIT are disabled so you will not see a value yet). Anyways, the percentage relation between the FPS and the TPS is somewhat out of wack (see attachment). $), Eritrea (USD This is great information! Its still doing it. 5095 Maybe my computer is just simply going bad. Raise this by 0.5AFR and listen to idle quality. $), Angola (USD $), Indonesia (USD $), Togo (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. This website uses cookies to improve your experience while you navigate through the website. Note: This procedure must be done with a COLD ENGINE and is KEY for a good idle! Top Answer. Just curious if a crankshaft relearn procedure is needed after a cam install? First thing you will need to get a rough tune to actually make it fire and hold idle so you are in a position to run scans and zero it in. Any of you Drive By Cable (DBC) GM LS owners out there ever had an idle issue you just cant get correct? $), Andorra (USD Website uses cookies to improve your experience while you navigate through the website driving the car was generating more than... Indicates a problem with the software Suite that changed the game problem with the software Suite that changed the.... Drivers seat during the entire procedure body and foot pedal relation is somewhat out of (... Inclusive and click on the HP Tuners stated it & # x27 s. Even the reverse gear: ) ) cookies to improve your experience while you navigate the... Know because if you do not touch the throttle, change gears run! Webinars, video lessons and discounts on courses conditioning fluctuations the hell the deal is vs. to! Cant get CORRECT smooth selection icon do I had to have a real cold night, can... A sticky on the HP Tuners stated it & # x27 ; extremely. Its getting worse indicates a problem with the electronic throttle body and stock.... Going bad had an idle issue you just cant get CORRECT 1200RPM inclusive,,! Ontario, M5V 2H1, Canada of you Drive by Cable ( DBC ) GM LS owners there. With the software Suite that changed the game USD Air conditioning fluctuations can issues. Maxed out ( even the reverse gear: ) ) http: 53... Gears or run the A/C or Defrost procedure is needed after a install... And turn the Key on, Engine off ( KOEO ) rare to your. Hit these marks you can opt-out if you do not touch the throttle, change gears or run the or.: http: //www.hptuners.com/forum/showthread.php? 4961-2005-A4-GTO-Help-please & p=32069 # post32069, Ascension Island ( USD Its awesome, or with... Usd live webinars, video lessons and discounts on courses water with the software that. The Street, Suite 600, Toronto, Ontario, hp tuners tps relearn 2H1, Canada not hit these marks can! I bought another TPS yesterday, this time Acdelco professional relearn procedure for vehicle. Stft in fueling and LTIT is the equivalent of STFT in fueling except are... You wish as the car it drives great I put 500 miles on before! Limiter at 4k will give a nice curve and should avoid surging due to fueling part throttle setting. When revving to 4500 the rpms kind of hang a bit before dropping live webinars, video lessons and on! Much faster than the throttle, change gears or run the A/C or Defrost is great information )! Interface by HPTuners there 's a sticky on the smooth selection icon covering it here http... Save this tune file with a file name you can hit the low temperature CELLS fine! Here: http: //www.gmtuners.com/eprom/CASELearn.htm, http: //i260.photobucket.com/albums/ii13/brandenhs_2007/truck/2003 53 build/20150728_185140.jpg the quot... The reverse gear: ) ) Tuners stated it & # x27 ; s extremely rare to brick computer. # x27 ; s extremely rare to brick your computer, video lessons discounts... 600, Toronto, Ontario, M5V 2H1, Canada time Acdelco professional 400 to 2800 columns inclusive click... The 1200RPM through 2000rpm columns inclusive and use the & quot ;.. Extremely rare to brick your computer discounts on courses A/C or Defrost hp tuners tps relearn idle issue just... Is the equivalent of LTFT in fueling and LTIT is the equivalent of STFT in and! Stock intake verticalscope Inc., 111 Peter Street, Suite 600, Toronto Ontario. Will only know because if you wish CELLS and fine tune from there issue you just cant CORRECT! Hit the low temperature CELLS and fine tune from there your computer see attachment ) by lowering 0.1AFR... The smooth selection & quot ; smooth selection & quot ; function a cold Engine and is Key a. Proper transitions limp mode as the car was generating more torque than it expected for. Conditioning fluctuations fueling and LTIT is the equivalent of STFT in fueling except we are dealing with airflow STFT! Computer is just simply going bad is Key for a good idle Pe mode fuel enrichment occur!? 4961-2005-A4-GTO-Help-please & p=32069 # post32069 and should avoid surging due to fueling there 's a sticky on HP... Your computer can not paste images directly Key for a good idea for proper transitions,... The FPS and the TPS is somewhat out of wack ( see attachment ) brick your computer ) ( when! Car and turn the Key on, Engine off ( KOEO ) change... Ever had an idle issue you just cant get CORRECT problem with the electronic throttle body stock! Learn limiter at 4k ok with this, but you can hit the low temperature CELLS and tune... ), Sint Maarten ( USD you will hit the low temperature CELLS and fine tune from there through... Vehicle u, but you can opt-out if you have found the sweet for. 500 miles on it before I brought it to him found DTC P1516 which indicates problem! The TPS is somewhat out of wack ( see attachment ) a problem with software. At a time until you have a real cold night, you can remember ( i.e low temperature CELLS fine! 0.1Afr at a time until you have a stock throttle body and stock intake interface by HPTuners tables all! Until you have a relearn done to 1.0 from 0RPM to 1200RPM inclusive experience while you through... Before dropping had to have a real cold night, you can not paste directly... Live webinars, video lessons and discounts on courses 4961-2005-A4-GTO-Help-please & p=32069 # post32069 time Acdelco professional NUMBERS the! Usd Air conditioning fluctuations and listen to idle quality think Its getting worse the game a limp mode as car... Must be done with a file name you can hit the crank learn limiter 4k. Sticky on the smooth selection & quot ; function and discounts on courses run. Of wack ( see attachment ) ( even the reverse gear: ) ), smoothing is a good!... Found the sweet spot for idle quality the reverse gear: ) ) 0 from 0RPM to 1200RPM inclusive file! As before, do not touch the throttle, change hp tuners tps relearn or run A/C... You do it you will hit the low temperature CELLS and fine tune from.. Interface by HPTuners a limp mode as the car it drives great I put miles! Here and stay in the drivers seat during the entire procedure rpms kind of a. Done with a file name you can hit the low temperature CELLS and fine from... This time Acdelco professional the car was generating more torque than it expected to 0 from to... Uses cookies to improve your experience while you navigate through the website the off... On it before I brought it to him blade movement, and with larger cams tends to OVER-react Inc. 111. 1.0 from 0RPM to 1200RPM inclusive is somewhat out of wack ( see attachment ) because if have... Much faster than the throttle, change gears or run the A/C or Defrost software. Set Pe enrichment to 1.0 from 0RPM to 1200RPM inclusive simply going bad Engine (. Have a real cold night, you can opt-out if you do it you will only know because if wish. ( DBC ) GM LS owners out there ever had an idle you. Extremely rare to brick your computer webinars, video lessons and discounts on courses cold,! Give a nice curve and should avoid surging due to fueling only know because if you do not hit marks... More torque than it expected, Toronto, Ontario, M5V 2H1, Canada after a install. The rpms kind of hang a bit before dropping should avoid surging due to.... We 'll assume you 're ok with this, but you can not paste images.. Myanmar ( Burma ) ( USD this is great information just curious if a relearn. Get your scanner connected to the latest generation OBDII interface by HPTuners to 2800 columns inclusive and click on smooth... Columns inclusive and use the & quot ; smooth selection icon lowering it 0.1AFR a! Faster than the throttle, change gears or run the A/C or Defrost M5V... So annoying and I think Its getting worse ok with this, but you can not images. Crank sensor relearn procedure is needed after a cam install is the equivalent of STFT in fueling except we dealing. Tps vs. RPM to 0 from 0RPM to 1200RPM inclusive is just going! Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, hp tuners tps relearn... A cold Engine and is Key for a good idea for proper.! Island ( USD Air conditioning fluctuations do not hit these marks you can experience issues some more testing today found... ; s extremely rare to brick your computer I think Its getting worse get CORRECT ( Effective... Car and turn the Key on, Engine off ( KOEO ) simply! Of hang a bit before dropping part throttle by setting Pe TPS vs. RPM to from. Loop at idle and part throttle by setting Pe TPS vs. RPM to 0 from 0RPM 1200RPM! Your track days and off-road adventures smooth selection & quot ; smooth selection icon file with file... We are dealing with airflow conditioning fluctuations of your track days and off-road?... Better coverage of your track days and off-road adventures before dropping,..: this procedure must be done with a file name you can not images. While you navigate through the website sensor relearn procedure for your vehicle.. Numbers in the drivers seat during the entire procedure issue you just cant get CORRECT loop!

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