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Gm throttle body relearn tool

In this section, we'll focus on the Electronic Throttle Body. I have herd recently the some models have a coating inside the throttle body that can be removed by cleaning. During the wide-open throttle, the RPM will vary from 1000 to 4000. A scan tool can be used and set up for a GM TBI application to read the data, or to check for stored codes. Even with the cable removed, once the throttle body is replaced, the computer will need to relearn itself to the clean throttle body. Instructions: 1) Start and idle the engine in park for 3 mins (0:54) 2) Turn ignition off for 60 sec (1:05) 3) Start and idle the engine in park for 3 mins again. So I pulled the one on the car off and got the cover off and similar thing. 2. GM throttle body relearn procedure How to do a GM throttle body relearn procedure. Performing a throttle relearn on GM throttle-by-wire vehicles can be done with your scan tool. car will honk after each sensor is mated to the car, then move to the next sensor and push the button on the tool when GM Throttle Body Special Policy Letters. In this video, we'll be going through the required relearn instructions for  how do you reset throttle position sensor on a 94 Chevy pickup - 1988-1998 Chevrolet Pickup. * All Readiness codes are cleared when the battery is disconnected or when the ECM/PCM is cleared with the Scan Tool. This scanner solved the problem, but you have to follow the conditions listed by the scanner itself before I brought it to a GM dealer today and they checked and said the TPS was fine and found the throttle body had excess carbon buildup and that was causing the TPS to put out the code. Bolted it back on and reconnected everything, cleared the code, went through the throttle relearn procedure, and so far no errors have popped up and I think my mileage even improved a little. Release the throttle immediately once procedure is learned! Once the variation values are learned, the ECC will return engine control to the driver. Turn engine off for at least 15 seconds and remove scan tool. ET6100. OVERVIEW. Unless these procedures are correctly performed the vehicle will not start after the PCM has been replaced. Some examples of reasons to perform a TBA: The vehicle's battery has been disconnected and re-connected A throttle body wouldn't require any programming. I have 07 sentra base model and after I cleaned throttle body and combustion rpms are too high at idle torque and hp stayed same. If TDC offset has been cleared to zero, go to next step. com. Throttle body and throttle position sensor problems are an increasingly common issue. Installation 1) Ensure sealing surfaces, bolt threads and bolt holes are clean. One more thing. Motorized with cable. Click Here for Instructions on: "HOW TO IDLE-RELEARN go to the gm garage and have the idle reset. THROTTLE LEARN THROTTLE LEARN DESCRIPTION The engine control module (ECM) learns the idle position of the throttle plate to ensure the correct idle. Attached is a picture of a 1998 2. After some cleaning the flap moved a little easier. This procedure cycles the motorized throttle body through various states (idle, part throttle, WOT) to relearn their positions. clean the carbon off the plate and perform idle relearn with a tech2 . May 14, 2018 The throttle position sensor is a small part with a big job. The solution from here is to get a new throttle body. Each car has a unique IAC value that takes into account the condition of the sensors, air and vacuum passages, etc. This procedure details how to perform a Throttle Body Alignment (TBA) on many VW/Audi vehicles. 7L Chevrolet truck. sry guys have not been on in a while but im going to try the releaRN ON IT NOW what if my idle is over 1k rpms and jumps to over 2k rpms back and forth wont my battery voltage be off from normal idle? and what if my throttle body valve wont close all the waywere i can push it with my finger and it closes all the way but as soon an i release it throttle body, the engine idle speed may fluctuate, cause the engine to stall or even turn on the check engine light. Well I pulled the throttle body out and cleaned it yesterday. GM Throttle Body Relearn using Autel MaxiDas DS708 - YouTube. there is a updated side cover for the throttle body which replaces the sensor instead of the whole throttle body. 1. Anytime the ECM or the throttle body is replaced, the ECM must learn the idle position. Turn ignition on with engine off. Turn the ignition switch to on. Reassembly After Throttle Body Cleaning. Vehicle computers memorize and store After checking that the drive-by-wire was functioning with the key in "on" but without starting the engine, I replaced the intake assembly and proceeded with the Throttle Relearn procedure also found on alldatadiy. You can try disconnecting the battery for 30 minutes, but you more than likely will need the relearn procedure done at your local dealer. ACDelco 12679524 GM Original Equipment Fuel Injection Throttle Body with Throttle Actuator . GM Vehicle Theft Deterrent (VTD) Relearn Procedures • Increase engine RPM to value indicated on scan tool • Release throttle Chevy uses a simple idle relearn process. Another relearn attempt is not allowed until the scan tool and ignition switch are turned off for at least 30 seconds. 0l Throttle Body. The technician’s scan tool would not do the relearn procedure; it did not even offer this function. Find great deals on eBay for gm tpms relearn tool. Jun 17, 2019 Vehicle: 2015 FIAT 500. Let your throttle body (TBI) or multi-port fuel-injected engine breathe! Choose a performance throttle body from our massive inventory and improve horsepower, drivability, and overall engine efficiency. NOTICE: Please be aware of counterfeit tools with similar numbers are being offered on various websites. Jun 21, 2015 If you've replaced your GM electronic throttle body or you've disconnected the battery, you must do a GM throttle body relearn to establish a  ECU Accelerator Pedal Reset Procedure. Service@TPMSDirect. Release the throttle. Note Timing is critical for this to work! 1. Cheapest CASE relearn I can do myself? This is a discussion on Cheapest CASE relearn I can do myself? within the Computer & Tuning forums, part of the LSx Technical Help Section category; Tried search, came up short what is the cheapest tool or package I can buy that offers ability to CASE 3) Remove heater pipes and by-pass hose. 6. org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. Thomas So i just cleaned my Throttle body on gmc Acadia 2013 its was bad but i cleaned it really good i removed it from the engine I disconnected the battery and used throttle body cleaner put everything together car runs fine except that rpm is a bit off on idle its not on 0 more like 4 th line below 1 rpm. If the relearn procedure was not learned, DTC P1336 will be stored in This is the reason why GM installs a tamper-proof plug over the throttle stop screw on the throttle body. After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. My hhr 2006 i try to clean the throttle body but now the relenti is to high how i reprogram the throttle body You need to use the Tech II scan tool from GM to perform this relearn process. Apply GM Sealant (12345336) at end of seals on cylinder block. There are three major components of the GM Electronic Throttle Body and they are: Throttle body. on 19 March 2016 04:29 PM These Crank Relearn Instructions may not apply to all vehicles. Replied by Tyler on topic YUKON 2007 ONLINE Throttle Relearning ! is it ? This other shop with the MDI, did they do a throttle relearn, or did they reprogram something? I ask because I've heard cases of GM vehicles with idle problems that refuse to relearn anything until the module gets reprogrammed or replaced. 3L, select and run the Idle Learn Reset test. After you replace the computer chip, it will automatically reset itself when you turn the ignition key from the "on" position to the "off" position. Then start the engine and allow the ECM time to begin to learn. Nov 14, 2011 How to Relearn the ETC (electronic Throttle Control) If the battery is =8:gm- drive-by-wire-throttle-body-relearn-procedure&id=2:certified-  If you unhook all of the wires the IAC may have to relearn the idle. Unlike a port fuel injection system, that sprays fuel into the intake manifold runner just above the intake valve, the injectors in this system spray fuel directly into the throttle body Using the scan tool, clear DTCs from PCM. 5. $10. Many car makers including GM started installing fly by wire electronic throttle bodies. If this is the case, I suggest you have your throttle body cleaned and perform an idle relearn procedure using a GM scan tool. The scan tool should indicate a successful relearn. Clean a GM throttle body Clean a GM electronic throttle body and perform an idle relearn Follow these steps to clean a GM electronic throttle body. Can't find TPMS relearn instructions for your vehicle? Please email us at Customer. COMPUTER RELEARN PROCEDURES 2001 Chevrolet Camaro GENERAL INFORMATION 2001 Domestic Computer Relearn Procedures INTRODUCTION BODY CONTROLS Vehicles equipped with body, air conditioning, anti-lock brake or memory computers may require a computer relearn procedure after components are replaced or the vehicle battery is disconnected. Wait 3  I had to change my throttle body on my 08 and need to clear codes and do a relearn now. If yours looks like that, then follow the instructions in the links I posted above. To perform a throttle relearn on a 2008 Silverado 5. Save relearn scan tool to get e-mail alerts and updates 8 product ratings - EL-50448 TPMS Reset Tool Relearn tool Auto Tire Pressure Sensor for GM Vehicles. Keyword / Tool Number Search. Disconnect the evaporative emission Autel MaxiDAS DS708 wireless diagnostic scan tool makes throttle body relearning very easy without cutting wire. 99. Clear any DTCs. If you have access to a tech 2 scan tool here is the case relearn procedure. What is the procedure for relearning throttle position for code P2176 - Answered by a verified Cadillac Mechanic We use cookies to give you the best possible experience on our website. The following procedure is used for the TPS voltage relearn: Clearing TCM Memory of Current TPS Voltage 1. Welcome! | CERTAIN 2009 THROUGH 2012 MODEL YEAR FUSION, MILAN, ESCAPE AND MARINER VEHICLES — THROTTLE BODY PCM CALIBRATION UPDATE . Used ones at the wreckers are cheaper than new. 2009 z06, worked greattook less than a minute to do, easy to use, does what its supposed to do. Learn more A scan tool can also display live data showing how the sensor is performing and sometimes determine if it's faulty. Most cars run on about 15 parts air and 1 part gas that get mixed and combust. Please find the first in a series of Manufacturer’s Recommended Procedures. m. I recommend to remove the idle air control valve from the throttle body, clean it, and also clean the throttle plate. If you’ve replaced your GM electronic throttle body or you’ve disconnected the battery, you must do a GM throttle body relearn to establish a new baseline idle. - Computer Relearn Procedures All Models; Cars INTRODUCTION Vehicles equipped with engine or transmission/transaxle computers may require a computer relearn procedure after the vehicle battery is disconnected. In this video we use the Autel DS708 to relearn the throttle body on a GMC COMPUTER RELEARN PROCEDURES Article Text 2001 Volvo V40 ARTICLE BEGINNING GENERAL INFORMATION 2001 Import Computer Relearn Procedures INTRODUCTION BODY CONTROLS Vehicles equipped with body, air conditioning, anti-lock brake or memory computers may require a computer relearn procedure after components are replaced or the vehicle battery is A tool for adjusting the TPS Throttle Position Sensor voltage on a KTM and other motorcycles, ATVs, UTVs, and dirtbikes EXC XC-W XCF SXF SX XC, and Polaris Ranger, Sportsman and RZR Poor idle after a GM Throttle Body replacement install? We show you how to perform the PCM relearn procedure so your vehicle runs normally. I did pedal dance to relearn idle it seems to be working fine, but I was wondering if there is a scanner that can run relearn and has other professional tricks on it. Remove intake manifold bolts, manifold, gaskets and seals. It is the upgrade version of EL-50448, so it works on a part of 2017 y The idle air control valve will be partially cleaned when cleaning the throttle body. disconnect . You can tell you’re having this problem when you see a check engine light, the engine runs rough, or if the engine reduced power message comes on. Here is the step-by-step instruction on the how reset GM ilde learn with ds708. 7, 4WD. In most cases this is only done if you have modified the internals of your engine or you have swapped a larger throttle body onto your vehicle. Many replacement parts have to have a relearn performed with a scan tool before they'll function properly. P2119 code definition Throttle Actuator Control Throttle Body Range/Performance What the P2119 code means This code indicates that the throttle valve is not in the position the PCM (Powertrain Control Module) expects it to be Throttle Bodies. 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. in. Sorry/not sorry Holden. For the past thousands of miles, it has been adjusting itself as the throttle body continues to get dirtier. Isuzu/GM TPS relearn procedure This should be performed if TPS, or TCM has been changed as well as after battery disconnect. if you GM throttle body relearn procedure How to do a GM throttle body relearn . 3) Turn ignition off for 30 seconds. com Specifically, what I did was: 1. Don t start the engine! 2. Performing a throttle relearn on GM throttle-by-wire vehicles can easily be done with the Mac Tools Mentor Touch Scout, No. Connect DS708 main unit with vehicle via USB or wireless connection. Greyghost EL-50448 TPMS OEC-T5, GM TPMS Relearn Reset Sensor Activation Tool, Tire Pressure Monitor TPM TPS Relearn Tool for GM Series Vehicle 2006-2019. If it is a dbw throttle body, I would consult the factory service manual first. They told me when we install a new throttle body we need to make the car relearn it too. Function of a throttle body: A throttle body is a “throat” that has a butterfly valve. The idle relearn or reset procedure is very important, otherwise this code may still remain even after a throttle body clean. In some cases it may be necessary to drive the vehicle before throttle body relearn?? Well today i ran into a problem with my 08 is250. The ECM just needs to learn the throttle position sensor parameters and the idle air positions of the new sensor. Remove the intake air duct between the air filter box and the throttle body. seems easy enough but i want some professional advice. com ✓ FREE Automotive Your Garage Deals & Rebates Best Sellers Parts Accessories Tools & Equipment . Start engine. SUBJECT: GM Drive by Wire Throttle Body Cleaning Procedure and Relearn Procedures ----- I have been receiving a lot of calls at the Tech Support Line about proper throttle body cleaning procedures on various vehicles. And Accelerator Pedal Assembly. body cleaned and perform an idle relearn procedure using a GM scan tool. i am not responsible as i have never done it i just found this on the web and want someone to verify it before i attempt it in my friends shop. As we see that the actual throttle plate position was at 24% causing high RPM at idle, while the desired plate position was 13%. GM Security Relearn Procedure GM vehicles have three types of Vehicle Thief Deterrent (VTD) systems, each requiring their own set of relearn procedures. If the relearn procedure was not learned, DTC P1336 will be stored in the memory. In both cases the cleaning lowered the throttle angle at idle from 11 to 5 % and in both cases the vehicles developed idle issues after the cleaning. If a fault code is set the computer may put the transmission into fail safe, which means that the signal that energizes the solenoids is usually cut. If you have access to a scan tool use a hook up for a 1990 350 cu. Verify the scan tool indicates TDC offset has been cleared to zero. com for Ford TPMS Relearn information. Start and run the engine in PARK for 3 minutes. edit: looks like you do have an electronic throttle body. To get the cover off, you just flick off the clips with a screw driver. Don't sick your fingers in there if its electronic. . Anyone ever change a throttle body on an 07 suburban Posted it should do an idle relearn by itself. If the wiring checks out, then you might have to replace the Throttle Body. Since the TPS was fine, there was no powertrain warranty, so they wanted about $250 to clean the throttle valve and then "Relearn Idle". Anyway the idle is up and down in park and I did try the relearn procedure. We use wynn's throttle body cleaner and a tooth brush. No need to freak out, it goes back together easy as. Consult a service manual or see below for any check engine light code definitions. Affected vehicles may develop contamination on the throttle body internal motor contacts resulting in intermittent electrical connectivity. I cleaned the throttle body myself but now the idle is not right so I guess I need to do the idle relearn but I can't seem to find any method on these forums that works for this engine. (Be patient and let your motor relearn the new part). Search Tips. Is this the same with GM? Is there any relearning process that the truck has to go through when I unplug the throttle body or is it as simple as cleaning it and then plugging it back in and go? Condition/Concern: As carbon builds up in the throttle body, the ECM/PCM learns to compen- sate for it so it can control the throttle plate accordingly. On some, this may require a command from a scan tool or plug-in TPMS tool. Throttle Actuator Control (TAC) module. I am taking the throttle body off to get a spacer made, so I will surely need to do these. Instructions: Well install MaxiDAS ds708 diagnostic software Connect DS708 main unit with vehicle via USB or wireless connection Body Control Module (BCM). I recently replaced my throttle body and did the the steps needed to relearn it, but it still doesn’t idle right. The local GM dealerships have always recommended replacing the connector for several years now to their service customers (when an Electronic Throttle Body is replaced by their service department). Starting in 2007, most vehicles use a TRW-, Schrader- or VDO-manufactured system that all share the same relearn procedures and behaviors, with only a few exceptions (like the Pontiac Vibe). GM TPMS systems on Buick, Pontiac, Chevy, GMC, Cadillac and Hummer models are some of the easiest to service if you have the right tools and knowledge. Instructions: Well install MaxiDAS ds708 diagnostic software. My question is can a scan tool like one at Autozone  SUBJECT: GM Drive by Wire Throttle Body Cleaning Procedure and Relearn any tools into the throttle body bore in order to avoid damage to the throttle valve   Jan 25, 2011 Immediately after cleaning a throttle body or throttle position sensor on any drive by wire vehicle, you should hook up a scan tool and relearn  The GM TBI (Throttle Body Injection) system uses a pair of low pressure fuel injectors mounted above the throttle body opening. The idle may be unstable or a DTC may set if the throttle position is not learned. TPS Throttle Body Position Sensor Connector Plug Harness 8 product ratings - EL-50448 TPMS Reset Tool Relearn tool Auto Tire Pressure Sensor for GM Vehicles. For whatever reason you have determined that you need to adjust your base idle on your GM TBI vehicle. Remove negative battery cable for 20 minutes to reset all DTCs. COMPUTER RELEARN PROCEDURES 1998 Pontiac Bonneville 1998 GENERAL INFORMATION General Motors Corp. One example of this is when the engine is modified, or a different throttle body is being used than what originally came with the engine. Blue Streak Electronics recommends to warm the engine after the idle relearn procedure, without use of the air conditioner. Only tool number EL-50448 is GM approved. Circuit Descriptions Of The GM Electronic Throttle Body. Many of DBW throttle bodies are very delicate and are easily damaged. Autel MaxiDAS DS708 wireless diagnostic scan tool makes throttle body relearning very easy without cutting wire. p. Unlike a port fuel injection  Congratulations on installing your brand-new spectra premium electronic throttle body. AutoZone Repair Guide for your General Information & Identification Relearn Procedures Body Control Module Programming/setup Procedure Removing Idle Stop Cap from a GM TBI and Adjusting the Idle Set Screw. Anytime the throttle body is cleaned or replaced, the ECM must learn the new throttle position. Disconnecting the battery cables and touching them together does the same thing the expensive scan tool does when the idle learn is reset. Procedure 4 Throttle/Idle Learn Description The engine control module (ECM) learns the idle position of the throttle plate to ensure the cor-rect idle. Well, this is a recommendation that you should follow too . For example, to perform a throttle relearn on a 2008 Silverado 5. Took the air intake off, sprayed a few sprays of brake cleaner and went to town on the inside of the throttle body even took an old toothbrush to it. 1995 Chevy Yukon, 5. Half the time I crank it up it goes straight up to 3000 rpms and just sits there. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck needs today. The ECM uses non-volatile memory to keep track of the IAC position when the engine and ECM are turned off. So I figured a quick throttle body clean might clear out some gunk and help the idle issue. IDLE LEARN Perform the following relearn procedure for the on-board computer to adjust to the new idle position on the electronic throttle body. There isn't really any relearn, the engine just settles down, look at the IAC, look to make sure the manual linkage allows the throttle plate to shut, make sure the linkage is on the STOP, look for vacuum leaks TB to intake (that would probably set lean code), make sure there is no leak at the IAC there is an O-ring on the IAC. driver front,pass front,pass rear,driver rear. We carry all the top brands—Edelbrock, JET, BBK, Holley, FAST, Ford Performance, Professional Products, and many more! On my 2006 Impala my problem started in the spring of 2014, The . Lots of oil and a little build up. take it to the dealer or find a friend with a tech2 and candi module. Turn off the engine for at least 15 seconds and remove the scan tool. Mercedes Benz transmissions have a totally unique method of controlling the shift valves and solenoids, and specialized equipment is required to relearn the shift adaptives. I have read about Audi's having to relearn the throttle body and all the parameters when you disconnect it (kinda weird in my opinion). Shop with confidence. Turn the engine OFF for a The Following Sensors will fit your: Chevrolet TPMS Reset - Relearn How to relearn throttle body (2005 Saturn Ion) The Reduce Engine Power light was on, i already put a new pedal sensor and the light still on, so I bought a new throttle body unit but I don't know how to relearn it and the light still on. The throttle body and the butterfly valve control how much air is put into the mixture. Remove throttle cable bracket and if necessary, the throttle body. If the throttle body has been replaced. Replacement of the throttle body is the same process, in reverse. Release throttle immediately once procedure is learned! Once the variation values are learned, the ECC will return engine control to the driver. COMPONENT MONITOR DRIVE CYCLE INSTRUCTIONS * Do not turn off the ignition switch during the test procedure. I was cleaning the throttle body and i moved the plate now my car idles goes up and down 2003 Nissan Altima Idle Relearn was created by DrivewayAl Have a 2003 Altima and decided to clean the throttle body I know, it was a mistake. it'll idle real high for 30 seconds or so then you're good to Q:Will this tool relearn trottle ? A:Hi, the answer is a big "YES", on my wife's car (2008, Infiniti FX35), every time I clean the throttle body, the engine's idle speed stays as high as 900 r. SUBJECT: GM Drive by Wire Throttle Body Cleaning Procedure and Relearn Procedures-----I have been receiving a lot of calls at the Tech Support Line about proper throttle body cleaning procedures on various vehicles. But, it is extremely difficult to fully clean the idle air control valve without removing it from the throttle body. The J-Body Organization, j-body. The idle may be  Aug 29, 2017 I replaced the throttle body, Yes the car accelerated when I the throttle relearn has to be done with a compatible scan tool plugged into your  The Chevrolet throttle position sensor has a high failure rate on certain year, a simple auto scan tool to verify proper operation of the throttle position sensor  Buy ACDelco 217-2293 GM Original Equipment Fuel Injection Throttle Body with I did not need to do an idle relearn on my vehicle, it seems to be hit and miss  Buy Hitachi ETB0024 Throttle Body: Throttle Bodies - Amazon. Fully depress and hold throttle at full throttle for at least 45 seconds. In addition, on some of them, performing the idle air volume relearn can be extremely difficult. You can use a late 80’s or early 90’s GM TBI definition. when it should be around 650 r. Conditions for Running the Throttle Learn Procedure In this video we use the Autel DS708 to relearn the throttle body on a GMC Yukon with a 5. On 2005-2009 corvette, put car in acc mode, press and hold lock and unlock on the fob until car honks, then use tool in order. here is the relearn procedure as per service manual. Re: Throttle body replacement and reprogramming Wonder why owners who have replaced the spark plugs didn't mention having to have the throttle body relearn done? The intake manifod has to be removed along with the throttle body, correct? Shouldn't this cause the throttle body to need relearning if in fact that is the case? -Throttle Body-Idle I know it has to do with pressing the pedal X amount of times within X amount of seconds, etc. Cleaning the throttle body is a simple procedure and just about the same on every car. After every other possible cause for the incorrect idle speed has been explored. Should only take about a half hour maximum. But there are times when the adjustment of this screw is necessary. A new ECM will also have values set to zero. TPMS Re-learn Tool. If the throttle body is cleaned or replaced for an- other concern, such as a P0121 DTC, without performing a Tech 2 idle learn reset, a high idle and/or P0507 DTC may be induced. 7. The throttle body was replaced because it was sporting a TPS DTC P0122. Dash gauges lit. Order your Throttle Body Assembly - 1ATBA00007 today at 1AAuto. The GM TBI (Throttle Body Injection) system uses a pair of low pressure fuel injectors mounted above the throttle body opening. The original issue is that when stopped in park or drive the cars sways back and forth slightly. GM TPMS Tools - This website provides information for the correct management of GM TPMS Tire Pressure Monitoring Systems from Bartec USA - We are the market leader for GM TPMS Sensors for Tire Pressure Systems and for all automobiles in the USA & Canada. I've seen this in a youtube video about GM throttle bodies. I have learned that cleaning the throttle body before Came across this info and figured it would help some of those with throttle body and idle issues. Install manifold and gaskets. Any other codes? Causes of P0507 are •Leaking air intake after the throttle body •EGR valve leaking vacuum •A faulty positive crankcase ventilation (PCV) valve •Damaged/failed/dirty throttle body The engine control module (ECM) learns the idle position of the throttle plate to ensure the correct idle. The usual cause is an excessive carbon build-up on the throttle body. We don't do that many throttle body cleanings, but the ones we have done, haven't needed a relearn or presented any problems. Throttle relearn on new style GM trucks Recently I've had 2 new style Chevy Suburbans ( VIN 3 LC9 engines ) that I cleaned the throttle bodies on. There are many possible causes for incorrect idle speed, most of which require a high level of diagnostic skill as well as expensive testing equipment. i am only looking for this because i can't find a place around me to do it. just don't know the exact procedures. Here lately I've noticed this sort of "miss/stumble" feeling at idle. 3L engine with very high idle speed. You may have code 21 which cant be adjusted out with TPS or problem found if not done. The Idle Learn Procedure When you're having problems, the first thing worth trying is the idle lean procedure. Crank Relearn Instructions (With and Without an OBD Scanner/Reader) Posted by Alex E. 3L for example, select and run the Idle Learn Reset test. Stalls  To accelerate the process, the scan tool has the ability to reset all learned values back to zero. Throttle Learn Description The engine control module (ECM) learns the idle position of the throttle body to ensure the correct idle operation. New! VXSCAN EL-50588 GM CHEVROLET TPMS Relearn Tool TPMS Activation tool TPMS reset tool. But, it does require a GM Tech2 scan tool. gm throttle body relearn tool

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