Turn off the a/C Continue idle for one min then shut engine off 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. Ran rough at idle so I pulled them and gapped them at 0.044" and it ran better. 2) Disconnect the battery for 30 mins. A video showing the procedure I have learned to make your engine relearn your throttle home position. I had the same question. I think the ECU had to go through a relearn cycle because I took the battery out to change the left side spark plugs. 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. This product certainly works and can help resolve problems with rough idle. Going to try this before dumping money into her. Disconnect battery 10-15mins. Works great! On this particular re-learn, the scan tool is helpful because it can re-set learned airflow values to zero. I have a hard time believing any competently designed car would require a spurious mystic undocumented ritual to reset it after a battery disconnection! I used this info today to overcome the 'rev hang' problem we were having. TPMS DTC code information. 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). I still got a little rougher idle for the next 3 days but on the 4th day, the idle ran smooth as silk. For my part, my idle speed was too low, my engine stopped often, 500 rpm instead of 750 rpm. 4) Before you start the car for the first time, turn the key to the ON position but do NOT turn the engine over. The technician would have to down load the program from Subaru and flash your TCM. For a better experience, please enable JavaScript in your browser before proceeding. If you just replaced the battery and car won't idle or stay on, this is the solution for it. Idle would not drop below 1800 rpm until I used this procedure. It was also pushing during planned deceleration on approaches to street corners etc. 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. The idle was fine until the throttle was tipped in, then would not idle below 1200 even though desired was 600 rpm. My slow motion relearning procedure. Very happy indeed! 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. I mean I'm glad it worked for you, but my battery has been disconnected dozens of times with no special "training" afterwards. 3) Reconnect the battery. 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! 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. I guess just restart first and if idle has issues, then jump through the hoops. Threw the car in garage and shut her down. Is that normal? 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. All seems to be good now. Follow this procedure when the engine is cold. For the record I have a 2009 Forester 2.5L 5-speed manual transmission. I just disconnected the battery to clear a code and after reconnect it idled perfectly. 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. Did the procedure and all is well now! Kvalitet og service er vægter vi højt hos Scantool. 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. 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. It was starting to become dangerous. 2003 XS Started having idle problems. Just wanted to post that the procedure in post #1 fixed my idle issue AND my rev hang issue. at stop light or behind traffic), the car revs up the engine and idle at 1k rpm, then goes back to 700 rpm. when I try to start it again it doesn't start for a while till I give it like 30 min to 1 hr. But I have tried several without good results. Now rock solid. 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. I will have to say that there is some truth to this. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Cleaning the throttle body allowed more air to enter the engine, and the computer is compensating by adding more fuel. THere is no relearn procedure or function I've found in the Verus ( 10.2 ). 2010 Forester. Your IP: 185.122.201.26 Please enable Cookies and reload the page. Cloudflare Ray ID: 6095bb4f9f4acb2a Another thing to try is the “idle relearn” procedure as this can also resolve rough idle problems. 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. Curious... did you have idle issues after the battery was replaced, or did you follow this procedure as a precaution? If not,I would of tried Bods solution. I also joined to say this worked for me as well. 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. The idle is going to be high at first until the computer relearns the idle again. What a load of B.S. 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 … The problem involves unstable idle and engine stalling just after stopping, with no DTCs detected. 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. This procedure cycles the motorized throttle body through various states (idle, part throttle, WOT) to relearn their positions. 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. * Allow vehicle to idle in Neutral for one minute. 3) Start Engine, Let idle to operating temp (10-15 mins) until radiator fan cycles twice (important step). (relearn idle) XV Crosstrek 2013----- I looked on the net for a procedure. 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. I joined just to say thanks for this post! Again, thank you!! Glad it's better but how did dandelion seed get onto your MAF? (crutial to do or it won't reset just idling it). 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. Should idling problem affect subsequent startin? This just worked for my 2007 XT, idle was weird when a/c was on and generally bouncing around. • Just replaced my battery and performed the steps the OP recommended. I suspect the dandelion seed got stuck on the MAF a long time back when I last removed the air filter. My 02 is running like crap, 1500 rmp it shakes and idles rough. JavaScript is disabled. Performance & security by Cloudflare, Please complete the security check to access. At the time removed the air filter to check for debris and leaks but found nothing. I talked with a Subaru service manager I befriended. While you waiting for the ECU reset clean the throttle body with a rag and some carby cleaner. but I try one of my own, which works, here it is. In both cases a day of driving the vehicle returned the idle to normal. even after long stretches of city, highway, and interstate driving. Mistake. I was skeptical at first, but upon multiple test drives the car finally drives normal after the procedure. Since your transmission is probably well broken in if not well worn, the program will still have to relearn … I'm suspecting she will need to complete this idle relearn procedure, ASAP! f you got both reflashes and are still having problems, it is likely the dealer did not properly perform the idle relearn procedure. 2)Turn Key to on position, wait 10-15 seconds for throttle blade to calibrate. Use the VT56 to retrieve and clear Subaru … A reflash is installing the most up to date program for your transmission. 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). Internet mythology. Was nearly stalling out at red lights, stop signs etc. Replaced iacv $345 and used seafoam and carb cleaner. 1. It eventually worked itself out, but was not fun at all in the meantime. 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. 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. 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. We'd had the rev hang problem for a while not realising it was getting worse. I fully expect this to work based on my prior experience. • Mazda 3 idle rpm. Even wile driving if rmp lower then 2k it runs like crap and even feels like missing/knock. 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. Proves you are a human and gives you temporary access to the web property not properly perform the idle smooth! My idle issue and my rev hang problem for a while till give. 02 is running like crap, 1500 rmp it shakes and idles rough ( 10.2 ) the motorized throttle through! Then jump through the hoops stopping, idle relearn procedure subaru no DTCs detected idle so i pulled them and gapped at... ' problem we were having cycles the motorized throttle body allowed more air to idle relearn procedure subaru the engine, Let to! 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