I'm just wondering if something has gotten messed up during the cleaning process or if the computer just needs time to relearn since the reset and cleaning process. Cleaned the MAF sensor and air filter while I was at it. high idle relearn for 2nd gen. throttle body Here are the steps for relearning the idle speed of the 2nd gen engines if idle speed is fluctuating and won't stabilize. After that i can throw it in drive and watch my rpm fall from 3000 to 800 and in park normal idle rpm. In the latter case, the engine will receive excess air. Reading some of the G forums some people say you are not suppose to clean your t/b.... the t/b's are very sensitive. Mechanic's Assistant: Are you fixing your Mazda2 … 5 Posts . I’m a mechanic for more than twenty years, I’ve cleaned more throttle bodies than I count. If the code was a hard permanent code, then the ECM (computer) would need a hard reset. well buy a scanner then. You need to take a road trip. Here is the step-by-step instruction on the how reset GM ilde learn with ds708. Manual Relearn. Posted on March 16, 2015 by sales. Apr 08 2018, 12:07am . Spray the ratshit out of the throttle body, move that throttle plate, clean all the crud. Throttle body cleaner is formulated to help breakdown carbon and other fuel related deposits on a throttle body. I'll clear the codes with a scanner and do the relearn. WD40 won’t be an effective throttle body cleaner, hard deposits stuck to the throttle body and throttle plate will require a throttle body solvent. various states (idle, part throttle, WOT) to relearn their positions. You need to use the Tech II scan tool from GM to perform this relearn process. I have had similar problem with mine, EML would come on while driving, also missing on start up at times an not rev. Spray the throttle body cleaner on a clean rag 6. ahh then that probably won't solve what i'm looking for. At the end of the relearn when you have to start the car and let it idle, it idles fine, right about at 750 rpm. Im wondering if I would need the scan tool to complete the relearn. Autel MaxiDAS DS708 wireless diagnostic scan tool makes throttle body relearning very easy without cutting wire. After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. But once I go to drive the car again, the idle is high again (at about 1200 rpm) and it will throw the SES light usually after I drive it once more. Have the person gently push down on the accelerator to the full throttle position (keep it held) 4. Start wiping 7. 3. I tried the procedure idle for 3 min, off 60 sec, idle 3 min, off 60 sec, then run for 3 min. i guess i just have to reflash the damn tune. I just hope it comes down eventually after many miles driving. Older or newer vehicles could differ. Mechanic's Assistant: Which particular sensor are you asking about? Might need a throttle body altogether, but you’ll need a diagnostic tool, maxisys makes a tool that can access the pcm functions like that Sent from my iPhone using Tapatalk Sep 16, 2020 at 9:28 AM #3. I replaced the throttle body on my 2004 RAV4 and now I understand that there is a relearn process. Truck threw the code for throttle body sensor (3rd time this has happened in 90k miles of driving). over 2000. Below is the procedure for cleaning. I assumed I broke the throttle position sensor from manually moving the butterfly while cleaning, so I replaced the throttle body and tried to relearn. Only the fuel needs to be controlled. For example, to perform a throttle relearn on a 2008 Silverado 5.3L, select and run the Idle Learn Reset test. When you cleaned it, you caused a sudden change to the throttle body function and confused the ECM. Scan tool shows pedal sensors are working. ET6100. Do this with the negative cable DISCONNECTED from the battery. I replaced my throttle body and can't get it to relearn. And have any trouble codes been triggered? Here is a video on throttle cleaning that might help if you have a sticking throttle. I did mistake and start car without plugging MAF back on but doubt that would cause this issue. Yes Throttle body says stuck open. Install the throttle body again with the 4x 8mm bolts (Shouldn't need a new gasket), coolant lines have been bypassed so no need to worry about those. The short circuit you’re creating here is designed to drain all power from the … Does anyone know about the resetting the throttle body by holding the accelerator down for ten seconds? Remove the negative battery cable (-) and keep it off for about 13 minutes, then hook up the battery cable and make sure it is tight. Cleaning your throttle body likely won’t do anything to solve an idle problem. The preferred way is using a scan tool and electronically performing it. Mercedes-Benz throttle body or throttle position sensor found on C-Class, E-Class, S-Class, CLK-Class, SLK-Class may fail causing idle issues, no idle or poor acceleration. Just in case you’re wondering, a failed TPS will force the throttle body valve to either shut or stick in an open position. You can also manually trigger a relearning procedure. Ive done the relearn procedure about 7 times and it just wont keep it. In addition to poor fuel economy, the car will have a high or fluctuating idle. Too much throttle body cleaner isn't enough. sorry you are questioning my abilities as a 30 year tech. Also, if there is a Throttle body relearn procedure, then Forscan will be very likely to have it. Im not sure if its throttle, IAC, EVAP or all three. It might make you feel better, but it might do little to solve an idle problem. Tips on throttle body relearn with Autel MaxiDAS DS708 diagnostic scanner. 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