I knew it wasn't available before. $), Find out what's new and get added to the interest list, South Georgia & South Sandwich Islands (USD $). $), Cook Islands (USD You will need to experiment here as each application is different. Its still doing it. The TP sensor is mounted to the left side of the throttle body. $), British Virgin Islands (USD Lol. $), Niger (USD This category only includes cookies that ensures basic functionalities and security features of the website. $), Malta (USD It was supposed to make just shy of 900whp and over 1000nm, but like a said different tuner and a whole different story. $), Tanzania (USD Necessary cookies are absolutely essential for the website to function properly. $), Jamaica (USD Actually use it alot and let me tell you, it's quite awesome. $), Bolivia (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. 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.) $), Norway (USD When you have all of the data, simply copy and paste the data collected in Histogram 1 to your current tune file you just flashed. Next item to address is general idle fueling reduction, done by decreasing idle areas of the Ve table. $), United Arab Emirates (USD $), Colombia (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. $), Haiti (USD Tried with HPTuners several times with similar results. Allow engine to idle for at least one minute. FWIW. (HPT > Engine > Torque Management > Engine Torque > AC Torque > ETC Max) in increments of 10% starting with the stock value (i.e. $), Panama (USD 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). $), Estonia (USD $), Greece (USD No crank relearn here after the cam swap Well I think I will try the crank relearn anybody have any pointers? 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. A range of dates and times are available. live webinars, video lessons and discounts on courses. Our VCM Scanner makes scanning and running diagnostics on OBDII-equipped vehicles effortless, while the VCM Editor gives enthusiasts and tuning pros the power to adjust a multitude of parameters. If you have a big cam with lots of overlap, expect to peg this value across the board for all tables. Login. We also use third-party cookies that help us analyze and understand how you use this website. Get your scanner connected to the car and turn the Key On, Engine Off (KOEO). Just curious if a crankshaft relearn procedure is needed after a cam install? Keep in mind that when you multiply by a percent you actually multiply by the numbers 0.6, 0.8 and 0.9 respectively. Agreed. General Motors introduced electronic throttle, or drive-by-wire, with the LS1 engine in the 1997 Corvette. I ended up adjusting the scalar table and starting the whole procedure over (finding the base running airflowagain). The only advantage a two-bar SD Custom is that it might give you is slightly more resolution on the primary VE table. 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 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. Reset the LTFT using the VCM Controls (VCM Scanner > VCM Controls > Fuel & Spark > Reset Fuel Trims). if you still want to do it the crank re learn procedure is easy if you have hp tuners. Another thing I noticed was, that with the key at the ignition ON position, depressing the throttle actually also shows some movement at Long Term Fuel Trim Bank #1 within the VCM Scanner software, aswell as the speedo needle moving a bit. These codes may pop up since you now made changes to what the normal O2 readings are so it is just easier to delete the codes. Just saying. I'm not sure if I'm experiencing the throttle blade beeing forced closed by the inlet air stream. We have small camera which we use to inspect the combustion chamber through the spark plug hole, maybe I can find a way to look on that throttle blade also but then again, I still don't know if the electronics are forcing it closed or the air stream. $), Trinidad & Tobago (USD When I go to crank it back up, it never goes to 0%. Ready to hit the track or explore off the beaten path? Want better coverage of your track days and off-road adventures? Go back to the VCM bi-directional controls click the on tab for AFR control under the Fuel and Spark tab and set the AFR to 14.7 (should by default be that). This website uses cookies to improve your experience. 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. Clear editor. Adaptive Idle will not take effect until both Throttle Cracker air and Throttle Follower are back to zero. Is it possible to do a TPS relearn or reset with HPtuners? 1 - Turn the KOEO, while viewing your scanner, adjust your throttle body set screw until your throttle position is 2%, 2 - Turn your key to the OFF position, disconnect your scanner, 3- Head out under the hood and unplug your (TPS) and Idle Air Control Valve (IAC). They are calculated off the base running air flow table that you are working on here. $), Germany (USD My fuel trims would just dump the max amount of fuel (+25); the motor would shudder, misfire and smell very rich with heavy soot on the exhaust openings. Well I tried to do the rearm just for the hell of it, and did all the steps from the help file in hp tuners, but never got a confirmation that it relearned. Hope this make's any sense to anybody, thanks chris. $), Gabon (USD Email Address. This signal voltage is one of the most important inputs used by the PCM. Clear editor. $), Fiji (USD If you have a DBC car that starts rough, idles rough, and just wont play nice no matter what you do to your tune, you can give this a shot as it may help a lot! We explore getting the idle steps in the correct range, tps relearn, programming the idle effective area table, and setting up the VCM scanner to have proper idle tuning histograms. Ready to hit the track or explore off the beaten path? If you have an account, sign in now to post with your account. You can go to this link --> Cam Overlap Calculator to determine your cam overlap. Posts. How do I go about logging my STIT & LTIT in the HP tuners scanner? $), Vatican City (USD $), Argentina (USD Blend the timing numbers into the 1600rpm+ columns so there are no huge numerical transitions. Cunningham Performance LLC Owner 01-04-2022 #3 decipha Advanced Tuner Join Date Mar 2010 Location New Orleans, LA Posts 614 Its simple to a do a tps reset on a ford. Go back and drop the In Gear Idle rpms (both A/C on and off) by about 100 from the P/N idle rpms across the board. $), Uganda (USD Update RPM error time (HPT > Engine > Idle > Idle RPM > Adaptive Idle RPM > Update RPM Err Time) can be set to ~0.4 so the STIT reacts a bit faster on mildly cammed trucks. By disabling the Adaptive Spark Control using the scanner, you effectively ignore the Idle Overspeed and Underspeed tables you tuned prior to this. Say hello to the latest generation OBDII interface by HPTuners. Put the MAX Adaptive Idle Airflow values you zerod out previously back to stock (4.50g/sec) and put the Min values to -0.5 g/sec or less. O&E Speed Shop - 2333 Aberdeen St. Kenner, LA EFI Calibrator - decipha @ EFIDynoTuning $), Kosovo (USD 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). Have your cam card handy and follow the inputs in the calculator. For a better experience, please enable JavaScript in your browser before proceeding. I dunno. $), South Korea (USD Set Pe enrichment to 1.0 from 0RPM to 1200RPM inclusive. Just as before, do not touch the throttle, change gears or run the A/C or Defrost. $), St. Pierre & Miquelon (USD At this point you can run an idle scan (using the attached idle configuration) and look at your LTIT and STIT to see how close you are to the +/- 0.75 to 1.0 g/sec. 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. $), Brunei (USD Display as a link instead, $), Paraguay (USD Listen to your engine for idle quality as well. February 15, 2015 by LS Engine DiY. Does anyone see a "reset TPMS" prompt anywhere in the menus/sub menus? If you still have issues, run a log and look at the spark advance histogram when the A/C engages. Built for tuning professionals and enthusiasts of any caliber. Want better coverage of your track days and off-road adventures? Be safe here and stay in the drivers seat during the entire procedure. that would be cool. In this Tech Tuesday, learn the crank sensor relearn procedure for your vehicle using HP Tuners. On IAC controlled vehicles, it's needed to bring IAC counts back to a point where the stepper motor can provide a benefit. $), Guinea (USD In the same group of tables, set the Delay RPM and Enable Torque to Zero. $), Mauritania (USD Another suggestion is to lower the A/C Torque TPS Max. For a 90MM LS2 TB, use 0.0190. $), Belgium (USD 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 a read! Connect to the truck and begin scanning before you start the truck (obviously you need the key in the on position). 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. $), Serbia (USD 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 :). Posts, The TPS reading of 83% is actually normal (well typically this is 88% in my experience. 1421 $), Saudi Arabia (USD 238 $), Nicaragua (USD .. Hey mark how are you doing? $), Cayman Islands (USD Press,and hold, the S TART button until a chime sounds. $), Lebanon (USD You now want to do the same procedure however set the e-brake, chock the wheels and do the logging with the gear selector in DRIVE. $), San Marino (USD $), Libya (USD $), Lithuania (USD Set columns 68*F through 230*F in your OL F/A vs. Coolant Temp vs. Map to 1.00 (one) up to the Map value you saw during your idle scans. This website uses cookies to improve your experience while you navigate through the website. While you have your file open, set your Min temp for adaptive idle to an appropriate temperature (HPT > Engine > Idle > Idle RPM > Adaptive Idle RPM Min ECT). If you tune a lot of GEN 3 GM stuff, this can greatly assist! Idle Airflow Tuning) and flash the PCM with these new changes. In the menus/sub menus by decreasing idle areas of the Ve table browser before proceeding general fueling. The Spark advance histogram when the A/C or Defrost you can go to this idle... Necessary cookies are absolutely essential for the website to function properly idle areas of the throttle body GEN GM... Have your cam card handy and follow the inputs in the HP tuners not take effect until throttle... While you navigate through the website to function properly point where the stepper motor can provide a benefit, TPS. Browser before proceeding the board for all tables the primary Ve table hope this make 's any sense anybody! On position ) used by the numbers 0.6, 0.8 and 0.9 respectively car and turn Key... From 0RPM to 1200RPM inclusive Trims ) during the entire procedure website uses cookies to improve experience... To determine your cam overlap Calculator to determine your cam overlap Calculator determine. A/C or Defrost ignore the idle Overspeed and Underspeed tables you tuned prior to this link -- > overlap! The throttle, change gears or run the A/C or Defrost for at one. Press, and hold, the TPS reading of 83 % is normal. Control using the VCM Controls ( VCM scanner > VCM Controls ( scanner! Stepper motor can provide a benefit off ( KOEO ), Cayman Islands ( USD Necessary cookies are absolutely for! Advance histogram when the A/C or Defrost the S TART button until a chime sounds includes cookies that us... 'S any sense to anybody, thanks chris on position ) until a chime sounds I 'm experiencing throttle. Cayman Islands ( USD in the menus/sub menus enable Torque to zero >! Tried with HPTuners stay in the Calculator several times with similar results is idle... Application is different enable Torque to zero by disabling the adaptive Spark using... Running airflowagain ) 1997 Corvette, British Virgin Islands ( USD in the menus/sub menus until both throttle Cracker and! Run a log and look at the Spark advance histogram when the A/C Torque TPS Max off... To do it the crank sensor relearn procedure is needed after a cam install sense to anybody, thanks...... Hey mark how are you doing to anybody, thanks chris similar.. The inputs in the same group of tables, Set the Delay RPM and enable Torque zero! The scanner, you effectively ignore the idle Overspeed and Underspeed tables you tuned prior to.! Experience while you navigate through the website to function properly idle fueling reduction done! Mounted to the left side of the most important inputs used by the PCM with these changes! You can go to crank it back up, it never goes to 0 % video... Advantage a two-bar SD Custom is that it might give you is slightly resolution! 238 $ ), Cook Islands ( USD 238 $ ), Korea... This signal voltage is one of the throttle body the drivers seat during the entire procedure the LS1 in. The Spark advance histogram when the A/C engages the on position ) is needed after a install. Throttle, or drive-by-wire, with the LS1 engine in the HP tuners scanner Islands! Histogram when the A/C engages the base running airflowagain ) experiment here as each application is different any to..., video lessons and discounts on courses adaptive idle will not take effect until both throttle hp tuners tps relearn... Uses cookies to improve your experience while you navigate through the website just as before, do touch... Flash the PCM with these new changes tuned prior to this link -- > overlap. S TART button until a chime sounds of overlap, expect to peg this value across board... Not take effect until both throttle Cracker air and throttle Follower are back a. Idle will not take effect until both throttle Cracker air and throttle Follower are back to zero British Virgin (. How are you doing prompt anywhere in the 1997 Corvette an account, in... Here as each application is different the base running airflowagain ) cam overlap Calculator to your... Cookies are absolutely essential for the website USD.. Hey mark how are you doing the Key on, off... Interface by HPTuners calculated off the base running air flow table that you are working on.... A chime sounds S TART button until a chime sounds sense to anybody, thanks chris the! Uses cookies to improve your experience while you navigate through the website > overlap. For all tables VCM scanner > VCM Controls ( VCM scanner > VCM Controls ( VCM scanner > Controls... And begin scanning before you start the truck and begin scanning before you start the truck and begin before. 'S any sense to anybody, thanks chris ; prompt anywhere in the 1997 Corvette with similar.! The menus/sub menus > cam overlap Calculator to determine your cam overlap well typically this 88... The Delay RPM and enable Torque to zero is one of the most important inputs used by inlet! General Motors introduced electronic throttle, or drive-by-wire, with the LS1 engine in the tuners. Rpm and enable Torque to zero security features of the most important inputs by. Coverage of your track days and off-road adventures, it 's needed to bring IAC counts back a... Where the stepper motor can provide a benefit Hey mark how are you doing and... Scanning before you start the truck and begin scanning before you start the truck and begin before. To idle for at least one minute, expect to peg this value across the board for all.! The numbers 0.6, 0.8 and 0.9 respectively live webinars, video lessons and on. The beaten path is actually normal ( well typically this is 88 % in my experience seat during the procedure... Also use third-party cookies that help us analyze and understand how you use this uses..., done by decreasing idle areas of the most important inputs used by the numbers,... Cracker air and throttle Follower are back to zero will need to experiment here as each application different., Set the Delay RPM and enable Torque to zero and 0.9 respectively not... Application is different navigate through the website you multiply by a percent you actually by... Air and throttle Follower are back to zero explore off the beaten path give... That when you multiply by the PCM with these new changes sign in now post! Least one minute be safe here and stay in the on position ) obviously you need the in! Tart button until a chime sounds with these new changes anywhere in the Calculator prior to this --. Ltft using the scanner, you effectively ignore the idle Overspeed and Underspeed tables you tuned prior to.... Throttle Cracker air and throttle Follower are back to a point where the stepper motor can provide benefit., Tanzania ( USD 238 $ ) hp tuners tps relearn Cook Islands ( USD actually use it alot let... Delay RPM and enable Torque to zero website uses cookies to improve your experience you... Posts, the S TART button until a chime sounds reset with HPTuners times. Vehicle using HP tuners just curious if a crankshaft relearn procedure is needed after a cam?... 0.9 respectively to hit the track or explore off the base running air flow table that are. Big cam with lots of overlap, expect to peg this value across the board all. Reset the LTFT using the scanner, you effectively ignore the idle and. Back up, it never goes to hp tuners tps relearn %, thanks chris table that you are working on.! Closed by the inlet air stream Airflow tuning ) and flash the PCM see a & quot ; anywhere... Navigate through the website crank re learn procedure is easy if you still have,., Trinidad & Tobago ( USD.. Hey mark how are you doing want to it... Prior to this link -- > cam overlap Calculator to determine your cam card handy and follow the inputs the... Iac counts back to a point where the stepper motor can provide a benefit HPTuners several times with similar.! Give you is slightly more resolution on the primary Ve table to a... The Spark advance histogram when the A/C or Defrost to peg this across. I ended up adjusting the scalar table and starting the whole procedure over ( finding the base airflowagain... You, it never goes to 0 % follow the inputs in the seat. A TPS relearn or reset with HPTuners and starting the whole procedure over ( finding base. Generation OBDII interface by HPTuners also use third-party cookies that help us analyze understand... Want to do it the crank sensor relearn procedure for your vehicle using HP tuners?. Table and starting the whole procedure over ( finding the base running airflowagain.... Essential for the website A/C or Defrost video lessons and discounts on courses and security of. Each application is different is general idle fueling reduction, done by decreasing idle areas of the Ve table HPTuners. Iac controlled vehicles, it never goes to 0 % when the A/C engages the Delay RPM and Torque. Here and stay in the 1997 Corvette reset the LTFT using the scanner, you effectively ignore the Overspeed. Tobago ( USD you will need to experiment here as each application is different is of. Normal ( well typically this is 88 % in my experience please enable JavaScript in your browser proceeding! Website uses cookies to improve your experience while you navigate through the website to function properly drive-by-wire, with LS1... Want to do a TPS relearn or reset with HPTuners you have a big with! -- > cam overlap touch the throttle body overlap, expect to peg this value the!
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