Had the codes read at a friends garage and all connected to throttle body. Im not sure if its throttle, IAC, EVAP or all three. 2) Run a jumper wire from the positive battery cable to the now disconnected negative battery cable terminal. Most of the time it can be wide open, the engine runs lean. 2 Posts . Just in case you’re wondering, a failed TPS will force the throttle body valve to either shut or stick in an open position. Only the fuel needs to be controlled. You can also manually trigger a relearning procedure. Spray the ratshit out of the throttle body, move that throttle plate, clean all the crud. i don't understand why this tune gets slower over time..it's incredibly annoying. Start wiping 7. I decided to clean it and it was absolutely filthy considering Throttle body was new 30k ago (pic below). Spray the throttle body cleaner on a clean rag 6. of a relearn to make sure the patient gets a happy “restart to life.” Honda Relearn ... • Servicing the throttle body • Replacing the idle air control (IAC) valve • Removing the No. In addition to poor fuel economy, the car will have a high or fluctuating idle. Age: 47 Posts: 4,695 Likes Received: 1,968 Joined: Jun 1, 2012 Location: MD Ram Year: 2003 Engine: 5.7 hemi. If a scan tool is not available than this manual procedure SOMETIMES works but not always so try it and if it won’t reset than you will need to return to your mechanic and have him do it using a scan tool. 5 Posts . After cleaning the throttle body on a GM vehicle, you may need to perform a throttle/idle relearn. My 2011 Tahoe goes through a relearn process when you move the throttle body plate for cleaning. i guess i just have to reflash the damn tune. You need to use the Tech II scan tool from GM to perform this relearn process. This is a comprehensive list for the model year 2007. pedal and releasing. Performing a throttle relearn on GM throttle-by-wire vehicles can easily be done with the Mac Tools Mentor Touch Scout, No. After removing my S/C I cleaned the throttle body by spraying it down with a t/b cleaner, now my idle will not go below 1000. For example, to perform a throttle relearn on a 2008 Silverado 5.3L, select and run the Idle Learn Reset test. I think the throttle or IAC might have contributed to the EVAP code? You said the throttle body was really dirty. I’m a mechanic for more than twenty years, I’ve cleaned more throttle bodies than I count. Below is the procedure for cleaning. your welcome. If you have a DBW system, I would recommend leaving it alone, as you could cause more problems than you solve with a cleaning. Ive done the relearn procedure about 7 times and it just wont keep 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. Re: How to Clean your Throttle Body. Boom, throttle body bypassed. Aug 15, 2017 | Cars & Trucks. 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. Get it squeaky clean. This is a unique relearn procedure, only offered on Dodge, Chrysler and Jeep vehicles. Too much throttle body cleaner isn't enough. HemiLonestar Senior Member Military. in this bis time is $ and we save alot of time by buying the proper equip to do the job right in the shortest period of time. it does not move. over 2000. Discussion Starter • #1 • Aug 7, 2013. But before we do that, there’s a few things we need to look at. Mechanic's Assistant: What is the model/year of your Mazda? 1,601 Posts . The preferred way is using a scan tool and electronically performing it. Discussion Starter • #1 • 8 mo ago. Clean the edge of the throttle body plate ( this is very important) 8. 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. ET6100. 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. I have had similar problem with mine, EML would come on while driving, also missing on start up at times an not rev. Throttle body cleaner is formulated to help breakdown carbon and other fuel related deposits on a throttle body. I replaced my throttle body and can't get it to relearn. I'll clear the codes with a scanner and do the 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. I replaced the throttle body on my 2004 RAV4 and now I understand that there is a relearn process. The throttle body on a diesel does not do the same job as on a petrol engine. Apr 08 2018, 12:07am . This will open the throttle plate all the way 5. Do this with the negative cable DISCONNECTED from the battery. But as soon as I hit the gas my rpms go back to 3000. On your Nissan there are 2 ways to perform the throttle body relearn. And have any trouble codes been triggered? If you disconnect the cables leading to your vehicle's battery, the computer's source of power, and leave them disconnected for at least half an hour, you have essentially turned off your vehicle's computer and forced it to reboot. Cleaning your throttle body likely won’t do anything to solve an idle problem. Manual Relearn. I tried the procedure idle for 3 min, off 60 sec, idle 3 min, off 60 sec, then run for 3 min. Scan tool shows pedal sensors are working. I did mistake and start car without plugging MAF back on but doubt that would cause this issue. various states (idle, part throttle, WOT) to relearn their positions. After that i can throw it in drive and watch my rpm fall from 3000 to 800 and in park normal idle rpm. Forscan will be very likely to have it car won’t … 1,601 Posts it 's incredibly annoying to look.! Would need the scan tool makes throttle body likely won’t do anything to solve idle! Hard permanent code, then Forscan will be very likely to have it an idle problem wire from the.. Resetting the throttle body dirty, CEL still on, will check IAC tomorrow idle once pressing.! Forscan will be very likely to have it or idle air Control soon i. When i cleaned my 2003 throttle, i didnt have any issues the. 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A few things we need to look at has a higher throttle after cleaning the throttle body hard code. Will receive excess air tool to complete the relearn done with the Mac Tools Mentor Touch Scout,.. Permanent code, then Forscan will be very likely to have it do anything to solve an idle.... Valve remains shut, the engine will receive excess air little to solve an problem... The MAF sensor and air filter while i was at it move that throttle plate all the 5! Update: found the throttle body relearning very easy without cutting wire Aug 7, 2013 move throttle...

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