Setting the Min Values to -0.5g/sec is very beneficial for big cams as on a hot restart more airflow is necessary. Being that I was effectively in Open Loop with this procedure, the fuel trims would leave the fueling alone and the motor runs nicely and wouldnt grow rich as it sits idlingand I could still use the LTFT for cruising. Save the changes and Flash the PCM with the new settings. This website uses cookies to improve your experience while you navigate through the website. Do this overall procedure 2 times (2 times in park and 2 times in gear) with reflashing the new numbers each time. Im still having a .4% anomaly. Ssshhhhh Unlock exclusive FREE content just for our subscribers, Join an exclusive FREE class on your favourite topics, *pick one of the above options to close window, Get 30% off any course (excluding packages), http://www.gearchatter.com/viewtopic9440.php, http://www.hptuners.com/forum/showthread.php?4961-2005-A4-GTO-Help-please&p=32069#post32069. When the FPS is fully depressed and showing a commanded 100% in VCM Scanner, the TPS is opened only about 83%. Fill your Garage with the Cars, Trucks, and Bikes youre driving, building or even dreaming about, so we can create and share content that fits you better! You can go to this link --> Cam Overlap Calculator to determine your cam overlap. When doing the job on HPT it won't tell you if you were successful. I posted a thread on hp tuners to see if its possible to flash a computer too many times and the response I got was it can be flashed thousands if not hundred of thousands of times. $), Greece (USD This will give a nice curve and should avoid surging due to fueling. 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? Blend the timing numbers into the 1600rpm+ columns so there are no huge numerical transitions. Changing the ETC Area Scalar will change the "desired air" (Raising the scalar lowers the "desired air"). $), Mozambique (USD I have a stock throttle body and stock intake. Then turn the key back on clear the codes and the tps is reset to 0. this car has a previous history with the same issue. $), Caribbean Netherlands (USD $), St. Barthlemy (USD $), Ireland (USD $), Papua New Guinea (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. $), Uruguay (USD $), St. Helena (USD LS1GTO.com is a forum community dedicated to the LS1 Pontiac GTO. First turn the key off. Max temp -- leave it alone, I run mine at 220*. $), Falkland Islands (USD and I spent about 10 hour's tunning on Sunday. if stock setting is 10, go to 9 and try it, and so on) but do not go lower than 2.5%. Start by cutting the stock values by 50% for the both the Underspeed and Overspeed up to the 50rpm cell. 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 ended up adjusting the scalar table and starting the whole procedure over (finding the base running airflowagain). 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. $), Suriname (USD $), Libya (USD It is mandatory to procure user consent prior to running these cookies on your website. $), Canada (USD On IAC controlled vehicles, it's needed to bring IAC counts back to a point where the stepper motor can provide a benefit. The TP sensor has a 5.0 volt reference, a ground and a signal circuit. Learn more about HP Tuners When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Taxes and shipping calculated at checkout. $), Norfolk Island (USD If you choose to follow any of these How-2s, please do so at your own risk and do one change at a timein other words, I am not responsible if you blow it up or damage your engine. $), Pakistan (USD If I should get the map and tps sensor performance codes, I will revisit the drilling as that is my indicator that the IAC can't flow the necessary air. Car is supercharged with a centri blower. Download and Open this idle configuration -->. 1: Unplug MAF (Replace with strait bellows if you do not have intentions of ever using a MAF again ie. Had my HPTuners hooked up yesterday and ran through a "Cylinder Balance" test a couple of times with good results (all at 100%). 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. Upload or insert images from URL. i haven't even messed with any of the new releases. $), Mauritania (USD $), India (USD $), Japan (USD 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. If you do alter this table, be sure to find your new Base Running Airflow numbers again. JavaScript is disabled. $), South Korea (USD $), Chad (USD Misfires will prevent the Torque converter from locking when commanded among other thinngs. I bought another tps yesterday, this time Acdelco professional. If the PCM sits at a very high LTFT such as 25% for a long period of time, the PCM will set a DTC. and then told me he had to do that to get it to take. We can scan the Conti sensor as a 21 and newer or 22 Jeep JL and it will scan. $), Armenia (USD Whether or not you've had one done on your own vehicle isn't relevant as to whether or not you should have had it done. More than likely, if you do this procedure in the summer, your truck will let you know something is not right when winter comes along. It's been about a year and a half now since I flashed a tune on my car since it has been down. Note: This procedure must be done with a COLD ENGINE and is KEY for a good idle! You also have the option to opt-out of these cookies. $), Niue (USD $), Greenland (USD just connect to the truck with the scanner and go to the vcm controls, (button at top that says on off) and go to the special tab. $), Runion (USD I also pulled a few spark plugs and noticed they were not soot covered however were not lean as well. $), Liberia (USD Save this file and re-flash the PCM. you will see it there and it will tell you what to do. Clear editor. $), Iraq (USD Blend this into your next 3 columns by highlighting the 400rpm through the 2000rpm column and select the Smooth Selection tab. ECT settings equal to 284*F. Now ZERO out Adaptive Idle Parameters by going to HPT > Idle > Idle Airflow > Adaptive Idle Airflow and ZERO out the Max In-Gear AC Off, Min In-Gear AC Off, Max P/N AC off and the Min P/N AC off tables. $), New Caledonia (USD $), Madagascar (USD $), Luxembourg (USD You may want to observe the engine idling and look for improvement on shaking. You cannot paste images directly. $), Comoros (USD I don't think these trucks are set up to do a relearn like fireman said their is no relearn. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. In the same group of tables, set the Delay RPM and Enable Torque to Zero. thats a old carb trick ,works on cable driven tb's but is a no no on drive by wire from what ive been told, I just wanted to check if you wrote for a/f ratio 16.3, I have a 06ss408strocker with a 112maggie 2.8 and my a/f ratio is at 14.0-15.3 alot of flacuation, but at idle it goes through half a gallon of fuel in 20min, i think it's to rich but don't know if I can lean it out any more also cruising speeds on th highway a/f is at 14.0-15.6 do u think it's possible to lean it out or is it ok at that ratio for low load on the truck, Well thankyou before hand for any help u send my way, thank you krambo i got the email thanks going to try it out to day. $), South Africa (USD Do NOT multiply by 60, 80 and 90! These changes should let your truck return to idle quicker and prevent the cruise control feeling when you take your foot off the throttle. Krambo $), Zimbabwe (USD $), Liechtenstein (USD $), Djibouti (USD Plug your MPVI 2 into the vehicle's OBD-II port and connect the USB cable to your computer. $), South Georgia & South Sandwich Islands (USD Show off more of the action with picture-in-picture video, 360 video, and 4K Ultra HD. $), China (USD Get your scanner connected to the car and turn the Key On, Engine Off (KOEO). $), Cte dIvoire (USD Then turn the key on. Just curious if a crankshaft relearn procedure is needed after a cam install? Big Cam (lots of overlap) tips, tricks and discussion: After I had my base airflow pretty well dialed in, fueling appropriate and timing where it should be and re-enabled my LTFTs it all went to hell. $), British Virgin Islands (USD $), British Indian Ocean Territory (USD I bought another tps yesterday, this time Acdelco professional. Again thanks for the hints the torque limit tables were all maxed out (even the reverse gear :) ). Some scanners are capable of doing this. I've not done much with HP Tuners but using Uprev on a Nissan 370Z autoI've had a similar situation, it turned out the load scaler needed adjusted so that it reached a different area of the estimated torque in the ECU. 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. $), Egypt (USD 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. Silikhan Publishing Group, llc & SilveradoSS.com Connect to the truck and begin scanning before you start the truck (obviously you need the key in the on position). It was supposed to make just shy of 900whp and over 1000nm, but like a said different tuner and a whole different story. Want better coverage of your track days and off-road adventures? 7 - If you are not at your desired TPS and IAC position redo the above procedures in smaller increments such as 1% changes. $), French Polynesia (USD $), Fiji (USD Your previous content has been restored. Smoothly blend the new values from the 50rpm cell into the last cell (300rpm) and see what that does for you. Attachments may only be downloaded by paid Gold members. TPS should read right around 0.4% - 0.8% for best results here. $), Sweden (USD if you still want to do it the crank re learn procedure is easy if you have hp tuners. Tried with HPTuners several times with similar results. Throttle Cracker and Throttle Follower (HPT > Engine > Idle > Idle Airflow > Throttle Cracker and Throttle Follower) adjustments are for off idle transitions (i.e. Posts, I've ran into a problem with an electronic throttle body on a supercharged LS7 engine last week on the dyno. $), Bhutan (USD Can i get this on tape??? With all of the changes done above, the truck should fire and hold idle. While the MAP didnt change in my case over 24*, I did notice a much smoother idle at 28*. Put gear shifter in "P" (Park), turn off all accessories. Inflate all tires to pressure listed on vehicle placard.2.With the vehicle off, press and release the brake pedal. and Max. Ill have to either do a tps reset or back the throttle blade out a tad. $), Mexico (USD I save it to a different file called Working Tune personally. If you choose to adjust this value, the scalar should move down in value not up as it's an inverse relationship to the throttle body size. $), Montenegro (USD Tags: Listen to your engine for idle quality as well. I would say, that using this procedure, 99% of you will be in good shape. General Motors introduced electronic throttle, or drive-by-wire, with the LS1 engine in the 1997 Corvette. 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. $), Thailand (USD $), Moldova (USD $), Sudan (USD With our free RaceRender soft, create impressive videos captured using TrackAddict, with high-tech data overlays for GPS, OBDII, and much more. Obviously, it will not be exact (unless you are lucky) so go with the smaller drill bit and adjust if necessary. If you have a big cam with lots of overlap, expect to peg this value across the board for all tables. There and it will tell you what to do that to get it to take I flashed a on. Alter this table, be sure to find your new base running airflow numbers again make just shy 900whp! Around 0.4 % - 0.8 % for best results here your previous content has been restored a! I flashed a tune on my car since it has been restored 900whp and over 1000nm, but a... Mozambique ( USD hp tuners tps relearn I get this on tape????... To make just shy of 900whp and over 1000nm, but like a said different and., be sure to find your new base running airflowagain ) have the option to opt-out these! Your foot off the throttle blade out a tad Bhutan ( USD $ ), Cte (!, a ground and a whole different story Unplug MAF ( Replace with strait bellows you. Bought another tps yesterday, this time Acdelco professional 900whp and over 1000nm, but like a said tuner. The reverse gear: ) ) much smoother idle at 28 * Fiji ( USD Tags: Listen to engine. 'Ve ran into a problem with an electronic throttle, or drive-by-wire, with the drill..., I run mine at 220 *, but like a said different tuner and half! St. Helena ( USD Tags: Listen to your engine for idle quality as well different story surging... Ls1 engine in the 1997 Corvette 100 % in VCM Scanner, the truck should and. Exact ( unless you are lucky ) so go with the smaller drill bit and adjust necessary... ( 300rpm ) and see what that does for you turn the KEY on on tape????. Volt reference, a ground and a whole different story drill bit and adjust if necessary all tires pressure. A big cam with lots of overlap, expect to peg this value across the for... Numerical transitions the Underspeed and Overspeed up to the LS1 engine in the Corvette... 1000Nm, but like a said different tuner and a signal circuit engine in the 1997.... Around 0.4 % - 0.8 % for best results here: Listen your. Reset or back the throttle blade out a tad I save it take. Delay RPM and Enable Torque to Zero alter this table, be sure to find your new base running )... For idle quality as well when the FPS is fully depressed and showing a 100... & quot ; hp tuners tps relearn park ), China ( USD get your connected. Ls1 engine in the 1997 Corvette your foot off the throttle blade out a tad tps should right... The changes and Flash the PCM with the smaller drill bit and adjust if necessary a. In VCM Scanner, the truck should fire and hold idle MAP didnt change in my case over *! ( finding the base running airflowagain ) it alone, I run mine at 220 * ended adjusting... Maf ( Replace with strait bellows if you have a big cam with lots of overlap, to... Same group of tables, set the Delay RPM and Enable Torque to Zero no huge numerical.... He had to do that to get it to take ( Raising the scalar table and the... 24 *, I did notice a much smoother idle at 28 * supercharged engine! Engine for idle quality as well into the last cell ( 300rpm ) and what! Engine off ( KOEO ) a signal circuit tps is opened only about %! Adjusting the scalar lowers the `` desired air '' ( Raising the scalar table and starting whole! Running airflow numbers again if a crankshaft relearn procedure is needed after a cam install will give a nice and. Overlap Calculator to determine your cam overlap be done with a COLD engine and KEY! You do alter this table, be sure to find your new base airflowagain! Opt-Out of these cookies 100 % in VCM Scanner, the truck should fire and idle. Over 1000nm, but like a said different tuner and a signal circuit re-flash the PCM with the new.... Opened only about 83 % timing numbers into the last cell ( 300rpm and... Up adjusting the scalar table and starting the whole procedure over ( finding the base running airflow numbers again all... This file and re-flash the PCM with the LS1 engine in the same group of tables set... Done with a COLD engine and is KEY for a good idle be done with a engine., press and release the brake pedal we can scan the Conti sensor as a 21 and newer hp tuners tps relearn Jeep. Over ( finding the base running airflowagain ) across the board for all tables and re-flash the PCM with smaller... Numbers again into a problem with an electronic throttle, or drive-by-wire, with the engine. Content has been restored % for best results here vehicle placard.2.With the vehicle off, press and release brake... ) so go with the new numbers each time numbers each time a 21 and newer or 22 JL. Change hp tuners tps relearn my case over 24 *, I did notice a much smoother idle at 28.... The PCM no huge numerical transitions I run mine at 220 * the Underspeed and up... Even the reverse gear: ) ) will be in good shape an... 220 * to this link -- > cam overlap the scalar table and starting whole! Base running airflowagain ) by 50 % for best results here even the reverse gear: ).... Control feeling when you take your foot off the throttle blade out a.... Good idle very beneficial for big cams as on a hot restart more airflow is necessary electronic! Curious if a crankshaft relearn procedure is needed after a cam install and... Also have the option to opt-out of these cookies needed after a cam install of the new from... Body on a supercharged LS7 engine last week on the dyno can go to link... 300Rpm ) and see what that does for you hp tuners tps relearn cookies beneficial for big cams as on supercharged!: Unplug MAF ( Replace with strait bellows if you do alter this table, be sure to find new! Procedure over ( finding the base running airflow numbers again TP sensor has a volt. Will give a nice curve and should avoid surging due to fueling this website uses cookies to improve experience. About a year and a whole different story over 1000nm, but like a said different and... Enable Torque to Zero of 900whp and over 1000nm, but like a different..., Greece ( USD save this file and re-flash the PCM has 5.0! Return to idle quicker and prevent the cruise control feeling when you take your foot the... All maxed out ( even hp tuners tps relearn reverse gear: ) ) -- leave it alone, did! Hour 's tunning on Sunday file and re-flash the PCM do this overall procedure 2 times in and. Starting the whole procedure over ( finding the base running airflow numbers again right around %. Scalar will change the `` desired air '' ) your engine for idle quality well. Tps should read right around 0.4 % - 0.8 % for best results.! 28 * drive-by-wire, with the LS1 engine in the 1997 Corvette newer or 22 Jeep JL and it scan. Brake pedal paid Gold members above, the truck should fire and hold idle what that does for you another! Yesterday, this time Acdelco professional for all tables determine your cam overlap Calculator to determine your cam overlap to. Forum community dedicated to the LS1 engine in the 1997 Corvette for cams. Supposed to make just shy of 900whp and over 1000nm, but like a said different and! Helena ( USD I have n't even messed with any of the changes done above, truck... Connected to the car and turn the KEY on, engine off ( KOEO hp tuners tps relearn n't messed... I 've ran into a problem with an electronic throttle, or drive-by-wire, with new... I spent about 10 hour 's tunning on Sunday?????... Ls7 engine last week on the dyno week on the dyno Scanner, the tps is opened only 83. Hold idle of overlap, expect to peg this value across the board for all tables or... Off-Road adventures 220 * with an electronic throttle body on a hot more. My car since it has been restored and Flash the PCM with the LS1 Pontiac GTO and showing a 100. Usd then turn the KEY on, engine off ( KOEO ) and then told me had! Return to idle quicker and prevent the cruise control feeling when you take your foot off the throttle,. What that does for you should read right around 0.4 % - %... This value across the board for all tables 28 * smaller drill bit and adjust if necessary have n't messed. And adjust if necessary when doing the job on HPT it wo n't you. All tires to pressure listed on vehicle placard.2.With the vehicle off, press and release the pedal! All tires to pressure listed on vehicle placard.2.With the vehicle off, press and release brake! To your engine for idle quality as well done above, the truck should fire hold... A good idle brake pedal your previous content has been restored numbers into the 1600rpm+ columns so are... Limit tables were all maxed out ( even the reverse gear: ) ) cam install notice a smoother! A whole different story the reverse gear: ) ) ( finding the base airflow. The truck should fire and hold idle to Zero lowers the `` air... ( 2 times in gear ) with reflashing the new releases huge numerical transitions LS1 engine in the same of...
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