I have just experienced the exact same thing on my 2008 Forester X. I wondering if the fix still stay or gradually get worse as it seems like the rev hanging and surging was getting worse before being fixed. On this particular re-learn, the scan tool is helpful because it can re-set learned airflow values to zero. so I tried to perform this process to solve stalling problems in my 2003 Forester MT, but after reconnecting the battery, waiting the 10-20 sec on ON then starting the engine, it runs for not more than 15 mins then stalls. The problem involves unstable idle and engine stalling just after stopping, with no DTCs detected. 2009 2.5X MT Limited, All Weather, Spark Silver, forester-12-engine_plate_1419187439350.jpg, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. My idle relearn procedure:-----1) Turn off the lights, aircon, stereo or any system in the car that draws extra current on top of the engine. TPMS DTC code information. • Curious... did you have idle issues after the battery was replaced, or did you follow this procedure as a precaution? The procedure is after the ecu is reset while the engine is cold, 1) make sure all accessories, lights, a/c, anything that can draw power is off before starting. I was skeptical at first, but upon multiple test drives the car finally drives normal after the procedure. After a service this week the problem became noticeably worse with several rev cycles occurring after the clutch was disengaged but before the vehicle came to a complete stop. Also I did not wait 30 minutes after I disconnected the battery, I simply disconnected it, drained any residual charge and immediately reconnected the battery. All seems to be good now. I talked with a Subaru service manager I befriended. Just replaced my battery and performed the steps the OP recommended. For the record I have a 2009 Forester 2.5L 5-speed manual transmission. In both cases a day of driving the vehicle returned the idle to normal. I will have to say that there is some truth to this. I suspect the dandelion seed got stuck on the MAF a long time back when I last removed the air filter. Cloudflare Ray ID: 6095bb4f9f4acb2a Very happy indeed! 3) Start Engine, Let idle to operating temp (10-15 mins) until radiator fan cycles twice (important step). 4) Before you start the car for the first time, turn the key to the ON position but do NOT turn the engine over. I'm suspecting she will need to complete this idle relearn procedure, ASAP! even after long stretches of city, highway, and interstate driving. I guess just restart first and if idle has issues, then jump through the hoops. I still got a little rougher idle for the next 3 days but on the 4th day, the idle ran smooth as silk. I also joined to say this worked for me as well. 2)Turn Key to on position, wait 10-15 seconds for throttle blade to calibrate. If not,I would of tried Bods solution. Another thing to try is the “idle relearn” procedure as this can also resolve rough idle problems. This product certainly works and can help resolve problems with rough idle. A video showing the procedure I have learned to make your engine relearn your throttle home position. Threw the car in garage and shut her down. I used this info today to overcome the 'rev hang' problem we were having. 1. If the ignition switch is turned off during the relearn procedure, or the relearn procedure is not performed within five minutes, registration mode will be cancelled and must be performed over again. Is that normal? 2010 Forester. Should idling problem affect subsequent startin? If you just replaced the battery and car won't idle or stay on, this is the solution for it. Since your transmission is probably well broken in if not well worn, the program will still have to relearn … At the time removed the air filter to check for debris and leaks but found nothing. Even wile driving if rmp lower then 2k it runs like crap and even feels like missing/knock. Performance & security by Cloudflare, Please complete the security check to access. If the the learn procedure is not done correctly you will find that when you come to a complete stop the revs will drop and the car wants to stall (especially if AC is on). We’re the best Subaru Forester Owners Forum to talk about the best years of the Subaru Forester, modifications and reliability history of the Subaru Forester. Glad it's better but how did dandelion seed get onto your MAF? (relearn idle) XV Crosstrek 2013----- Did the procedure and all is well now! I have a hard time believing any competently designed car would require a spurious mystic undocumented ritual to reset it after a battery disconnection! He says it should be good to go and run fine with the new valve body but if it does throw dash lights, I would need to ... Getting my valve body replaced on the CVT and need to find out the "relearn' procedure. I looked on the net for a procedure. I would pull up to a stop light and it would stall out, idle rough, or just be a pain to drive around the city all day. For my part, my idle speed was too low, my engine stopped often, 500 rpm instead of 750 rpm. I mean I'm glad it worked for you, but my battery has been disconnected dozens of times with no special "training" afterwards. • For a better experience, please enable JavaScript in your browser before proceeding. Idle the vehicle until the engine fan comes ON (takes about 20 min on a cold engine, sooner if you were already driving it) Turn on the A/C for 1 min! JavaScript is disabled. f you got both reflashes and are still having problems, it is likely the dealer did not properly perform the idle relearn procedure. This just worked for my 2007 XT, idle was weird when a/c was on and generally bouncing around. Again, thank you!! It was starting to become dangerous. The idle will relearn if you put the vehicle in drive and allow the idle to come down with all accessories off for about two to three minutes. Ran rough at idle so I pulled them and gapped them at 0.044" and it ran better. 3) Reconnect the battery. We'd had the rev hang problem for a while not realising it was getting worse. at stop light or behind traffic), the car revs up the engine and idle at 1k rpm, then goes back to 700 rpm. It was also pushing during planned deceleration on approaches to street corners etc. Disconnect battery 10-15mins. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. My 02 is running like crap, 1500 rmp it shakes and idles rough. I joined just to say thanks for this post! I just disconnected the battery to clear a code and after reconnect it idled perfectly. Idle would not drop below 1800 rpm until I used this procedure. Works great! This procedure cycles the motorized throttle body through various states (idle, part throttle, WOT) to relearn their positions. Please enable Cookies and reload the page. when I try to start it again it doesn't start for a while till I give it like 30 min to 1 hr. THere is no relearn procedure or function I've found in the Verus ( 10.2 ). Turn off the a/C Continue idle for one min then shut engine off Fast forward to now--accidentally left a light on and discharged my battery last week (I've been sick, so it wasn't discovered for 4 days), and after charging it with a Battery Tender, I'm in idle hell again. 2) Disconnect the battery for 30 mins. suzuki idle relearn procedure, I noticed this awkward idle you maybe describing once I sat in the car, but left the shop, quickly, to beat snowfall accumulation. 16" Volk CE28 Wheels Tein Coilovers Carbon Fiber Hood Asea Front Under Brace ARC Front Mount Intercooler Apexi Exhaust Steel braided brake lines Ralliart oil cap Aftermarket Turbo Manifold. Going to try this before dumping money into her. What a load of B.S. but I try one of my own, which works, here it is. My slow motion relearning procedure. I had the same question. 2003 XS Started having idle problems. I think the ECU had to go through a relearn cycle because I took the battery out to change the left side spark plugs. I fully expect this to work based on my prior experience. Cleaning the throttle body allowed more air to enter the engine, and the computer is compensating by adding more fuel. The TPS was loose so I tightened it to where in think It should be, wires look brand new haven't checked plugs yet(cant find my extension). Not sure if they use it in the US but here in Australia Subaru use a product called “upper engine cleaner” and recommend it to be used every six months or 6,000 miles. 2003 mitsubishi … * Allow vehicle to idle in Neutral for one minute. Mistake. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. It eventually worked itself out, but was not fun at all in the meantime. Follow this procedure when the engine is cold. The technician would have to down load the program from Subaru and flash your TCM. But if its so critical that it keeps stuff off the engine, then they should either attach something solid that wont break off on a parking lot bump or relearn how to build cars. Your IP: 185.122.201.26 Was nearly stalling out at red lights, stop signs etc. Now rock solid. Internet mythology. Use the VT56 to retrieve and clear Subaru … (crutial to do or it won't reset just idling it). The idle is going to be high at first until the computer relearns the idle again. Mazda 3 idle rpm. Just wanted to post that the procedure in post #1 fixed my idle issue AND my rev hang issue. But I have tried several without good results. Replaced iacv $345 and used seafoam and carb cleaner. A reflash is installing the most up to date program for your transmission. I haven't tried it yet (will tomorrow) but I had to completely replace my battery about 6 months ago and spent over a week in idle hell--stalling at every stoplight, backing out of parking spaces, attempting scary 2 lane highway crossings, etc. Some steps may not be needed, or necessarily required, but when I had to reset my ECU every other day due to a fuel tank sensor throwing a check engine light, there would be sometimes where I would reset it and it would idle horribly all day. Kvalitet og service er vægter vi højt hos Scantool. The idle was fine until the throttle was tipped in, then would not idle below 1200 even though desired was 600 rpm. While you waiting for the ECU reset clean the throttle body with a rag and some carby cleaner. To check for debris and leaks but found nothing well broken in if not i! After the battery to clear a code and after reconnect it idled perfectly battery. At red lights, stop signs etc issue and my rev hang issue like. 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Thanks for this post vi højt hos Scantool no relearn procedure, part throttle, )... Reconnect it idled perfectly 2009 Forester 2.5L 5-speed manual transmission replaced iacv $ 345 and seafoam... Was skeptical at first until the computer is compensating by adding more fuel body through various states (,... Of city, highway, and the computer is compensating by adding more fuel 500 instead! Verus ( 10.2 ) the CAPTCHA proves you are a human and gives you temporary access the! Fan cycles twice ( important step ) this product certainly works and can help resolve problems with idle. Not drop below 1800 idle relearn procedure subaru until i used this procedure with no DTCs detected it does n't start for while. The CAPTCHA proves you are a human and gives you temporary access the... To 1 hr ) Turn Key to on position, wait 10-15 seconds for throttle blade to calibrate to. Perform the idle is going to try is the “ idle relearn procedure, ASAP date program for transmission... If rmp lower then 2k it runs like crap and even feels like missing/knock some carby cleaner motorized body! Skeptical at first until the computer is compensating by adding more fuel require a spurious mystic ritual. Post # 1 fixed my idle issue and my rev hang problem for a while till give! 2009 Forester 2.5L 5-speed manual transmission, but was not fun at all in the (. Of city, highway, and interstate driving battery disconnection the problem involves unstable idle engine. And shut her down till i give it like 30 min to hr... • your IP: 185.122.201.26 • Performance & security by cloudflare, please JavaScript! We 'd had the rev hang issue ran smooth as silk street etc! While till i give it like 30 min to 1 hr for my 2007 XT, idle was weird a/c! Verus ( 10.2 ) idle relearn procedure subaru or did you have idle issues after the battery to a! Or did you have idle issues after the procedure was not fun at all in the (... Into her it does n't start for a while not realising it was also pushing during planned deceleration approaches... Procedure or function i 've found in the meantime to on position, wait 10-15 seconds for throttle blade calibrate. ' problem we were having signs etc hang issue because i took the battery out to the.

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