Lexus is200 high idle problem
Lexus is200 high idle problem. May 31, 2005 · Hi Phillip, Conratulations on you new Lexus and welcome to LOC. That caused the engine to shake at traffic Oct 8, 2006 · I own a 1999 Lexus IS200 and I am thinking on converting it to run on LPG. 5 Celcius). Now its perfect. fluctuating from 400 rpm to 2000 rpm. Oct 31, 2023 · This seems to be a problem when the outside temperature is below 40F (4. 99000 miles. This happens at random , some times pressing the accelerator reduces the rev. 6 Nov 25, 2014 · Lexus had a well known issue with 2006-2010 GS and IS models with excessive carbon buildup taking place due to issues with the direct injection system and piston rings. I got my lexus 3 months ago, and it has been a pleasure to drive and NEVER given me any sort of problem, apart from the petrol consumption as im only 22 and had a jump from a 1. I have 108k. Oct 22, 2021 · It’s been over two weeks since cleaning the throttle body on my IS200 SportCross (1G-FE engine). What might cause this? Jul 18, 2024 · If the idle air control valve did not compensate for these, the idle speed would drop when certain accessories are used. Nevertheless, after starting, your idle should start descending in a few minutes, depending on what the ambient temp is, to finally reach a resting idle of ~650. 2) My brake keeps making this cranking or rubbery n Dec 21, 2023 · As the problem only started after the alternator replacement, it does feel like the problem may well be in that area (whether alternator, regulator or connection/earth as you suggest). [JZS147] A fault has developed regarding high idle from cold start ie instead of initial say around 1700 rpm it slowly increases instead of dropping as the engine heats up?[ once warm if rpm at idle was 1000 rpm it would clear by switching engine off/on[bringing idle to normal at hot 650-700 rpm ,but now no longer the case] On engaging Nov 11, 2007 · Thats exactly what I was trying to say. At normal temperature and in drive it idles at a very steady 800. Mar 10, 2016 · Hi guys, new here, have owned my IS200 for 3 months now but about a month ago a strange problem aroused, this has every garage i've visited stumped by the way! When i start the car it is fine, has high cold idle as it should and drops when it has warmed up a bit, while driving once the engine has Mar 29, 2010 · Hi guy's and gal's, I am a bit of a newbie to the lexus scene and I was wondering if I could get a few pointers if poss please. Worst 2016 Lexus IS 200t Problems #1: Turbo Lag 2016 IS 200t Average Cost to Fix: N/A Average Mileage: 19,000 mi. Then, after warm up, my idle went down to approx. Cranked fine. Vacuum Leak: A vacuum leak will result in a high engine idle on any engine because it can lead the engine computer to attempt an unnatural idle when the oxygen sensor detects a lean condition. The filter/dryer may be clogged and not allowing sufficient flow. I have the following mods, anyone with a similar story? 99 reg 45k miles supercharger pre-cats removed standard main cat prolex exhaust otherwise no other engine mods no exhaust warning lig Feb 6, 2007 · Hi all, newbie (to Lexus) here. The ECM just comands the throttle to open to a appropriate amount to set the idle speed. If you could check it would be great. Feb 25, 2010 · Hi all Just worked out my fuel consumption to just over 16mpg around town ,now i know these cars are not the greatest in the world on fuel but surely this is signs to say something is seriously wrong. May 24, 2022 · There are multiple reasons that an engine could be running at a high idle speed but in Jeeps this can often be linked to vacuum leak issues, idle air control (IAC) issues, or throttle malfunctions. It's a little Mar 22, 2012 · Hi, I've tried searching the forum but couldn't get an answer to my problem :-( My IS200 1999 Sport, idles at 2000 RPM when cold! When it's warmed up there's nothing wrong, it idles at 600-700 RPM. Yeah cleaning the airflow sensor, maybe a good idea. Carbon buildup causes the engine to misfire and idle Sep 25, 2011 · Hello, Can anyone help with my IS300's very high cold idle speed? I have a 2004 IS300 sportcross auto, which has only recently (in the last 2 weeks) started to idle very fast 1250 to 1400 rpm when started up from cold (first thing in the morning or after it has been parked for a couple of hours), until two weeks ago it idled very happily at 650/700 rpm in D when cold or warm. Any suggestions on a potential fix. Why do you guys want to adjust the idle speed? Is it idling too slow or fast? If so then I would expect there to be a problem somewhere. I always follow the practice that whenever the system is opened that the expanion valve and dryer should be changed. With AC on it was a bit better. I assume from the previous posts, that the original problem was the throttle body had deposits, and they cleaned them off. LS 400 / Lexus LS 430 / Lexus LS 460 / Lexus 600h / Lexus 500h Club ; Ls400 Idle Problem Theme . Jul 25, 2007 · When cold outside Idle is 700/750 until car engine is of correct temp then idle slowly drops to 200 rpm. According to Toyota Technical bulletins, the ECM opens the IACV to a pre- Sep 15, 2008 · Summarily, if your car has similar symptoms (hesitation, sluggish acceleration, rough idle, and power loss) as I’ve reported above, it’s worth a shot trying the PEA-containing fuel system cleaners ($16 for 2 bottles of 12 oz. The interiors from 2006 to 2016 are much cheaper with very Jul 24, 2004 · I have a 2003 RX300, problem when starting specially when hot weather. Have tried 3 different throttle bodies with no change in idle habits and have even chucked a brand new genuine TPS in it which didnt change a thing. Apr 10, 2008 · Possible causes for high idle speed listed in w/manual. So 2 weeks ago I did my oil change tranny fuel filter and LSD. I have a 96 ls400, filter and oil spark plugs cambelt water pump all changed by Nov 14, 2008 · One morning when I started the engine, suddenly the idle became erratic. Wondering if the rough idle is related to not having the timing belt changed, or is it possibly a different problem. A throttle system that isn’t working properly can result in an engine stall, a high or low idle, or both. Apr 26, 2016 · Hi i have a is200 which was professionally converted to lpg in 2010 , its covered 45k miles since lpg installation and right now sits on 115k for a v reg thats not bad :) anyway the car runs like a beauty on petrol and lpg until recently, few weeks ago i noticed while in neutral or in drive gear Jan 24, 2009 · Idle at 1200 to 1400 is normal until coolant warms up. She had the ISC valve replaced under warranty (most are replaced due to low idle-I work for a Toyota dealer) and nothing changed. Jan 5, 2022 · does idle fine when cold start? does it idle crap after it warms up? I have a similar problem when it warms up, the idle will drop and keep dropping all the way down to a couple hundred rpm and then misfire a little and then die. I'm just looking to get my high idle back which is hilarious because most people on here are trying to get rid of their ridiculously high cold start idle! Aug 18, 2009 · Thought I had this idle problem under control but I was wrong. my RPM's at idle would be 1100. I'm still not sure exactly what about the throttle body is causing it to idle high but I guess I'll find out when I swap them out. Jun 9, 2008 · DISCLAIMER: Lexusownersclub. uk is an independent Lexus forum for owners of Lexus vehicles. I have paid 2 x's for the Induction Cleaning since I bought the car and that has not helped. the ignition switch on these cars do get worn and it fails to keep connection to the ecu . I'm not exactly sure why the new throttle body fixed the high idle, but I'm glad it did! Mar 11, 2022 · The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Step 1 - If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too. After a short time, you will notice the idle speed drop (the arrow may stop showing engine to battery as well). Idle was 500 rpm and when engine is warm go to 3000 rpm with engine light and trd light also with code P1349. Jul 13, 2009 · You will notice the engine running at a high idle. after reading much on this issue I think the problem is due to a vacuum leak. Clean your idle air control valve to fix it This video on Mar 5, 2016 · Hi All First post here. May 3, 2021 · LEXUS IS200 IDLING ISSUE *FIXED*. -No real significant issues in my ownership history, well maintained, basic/required maintenance always performed. It ran fine for a couple days then it started acting up again. Jul 6, 2014 · hi these cars Ecu are normally ok only problem in the dum place they put it in , i had a problem like this on a customers lexus is i found it to be the ignition switch it was cutting out as soon as it starts and he did great distances as well . Sitting dead on 600 rpm at idle in drive and 850 in park. Changed all the coils and worked fine - until weak later started irregular misfire. Fixing your idle problem can normally be done within an hour. RPM ramps down (more slowly than it used to, I think) as engine warms up and everything seems fine once engine reaches normal operating temperature. Apr 17, 2016 · Hello all, finally, 4 months and 5 thousand dollars later I fixed my high idle hell, I think, unless there is a such thing as a "low idle hell". If I let the car warm up completely, I don't have the high idle problem. I been told by several mechanics that the timing belts on lexus last forever. What was the last thing that lowered the idle? the Klima relay in the glove box behind the idle-speed-control unit. Problems with the idle air control will be most obvious during this time. She has 65k. Feb 15, 2014 · So I just recently got back to solving the high idle problem. I cleaned the air intake valve/chamber wich improved the problem a bit: If you look at the lever that controlls the engine running speed under the hood it used to automatically move with short bursts. Jul 21, 2019 · I have a Toyota aristo 2jzgte non -vvti registration 1994. Otherwise your throttle body may be in need of a clean. Thanks Aug 16, 2015 · I've been getting super high idle on my is300. By 99blkgs October 6, 2007 in 93 - 05 As far as I figured the high idle was normal, I have an 02 GS300 and it How to Reset Lexus Idle | Lexus RPM Reset | Lexus IS250 Idle Reset Oct 18, 2021 · Hi I’m at a loss at what to do next my son’s 2000 Lexus IS200 has a high idle issue that no one can fix I have replaced the throttle body brake booster and the ecu when the car warms up it idles between 2000 and 3000 rpm Mar 17, 2006 · Re 99 RX300, initial engine rpm on cold fast idle is 2000 instead of 1500. It usually idles around 1200-1400 RPM, even with the IAC disconnected and the base This is my third IS, the first two were IS250's. co. It happens a couple of times every few seconds. Not quite sure about the constant reving, but my GS300 does rev slightly higher when cold, but as soon as temp gets on the scale (approx 2 mins) it is OK. It restarts fine on the first turn of the key but will not idle past 10 seconds with foot on or off the gas pedal. Nktice a lag in power when I put my foot down. Mar 31, 2013 · My 2000 Model IS200 After owning my car for 2 years, it was now time to do an engine conversion!I have always loved the sound of V8! :) . Chevron Techron Concentrate in my case) before moving to more expensive diagnostic options. When shifting into gear, it seems to shock the drivetrain a lot and if the brake isn't really applied the car Mar 13, 2013 · Wide-ranging upgrades have strengthened the appeal of the Lexus UX 300e, the urban crossover launched three years ago as Lexus’s first all-electric model. Throttle body is also clean. The idle air control valve is most important on a cold startup. Jan 12, 2007 · Ford Inline Six, 200, 250, 4. 600-650 rpm . My recent manual trans conversion has just exacerbated the problem. Lexus IS . Oct 15, 2015 · I have a 1999 IS200 manual and it idles ridiculously high (around 3000rpm) as soon as it reaches operating temp. After a few minutes it drops to 1000. IPB 4. I got genuine couple years back at just over £600 the pair fitted. My 1999 is200 1GFE manual recently has been sitting at 3000rpm as soon as it reaches operating temperature. What could cause this. I changed the TPS with a generic one. This is an issue that has caused Lexus to extend their warranty to cover these components to 9 years or unlimited miles. 5L 4GR-FSE engine prompted Lexus to issue a Customer Service Program (CSP) in the U. Somewhere in there Jan 17, 2019 · Not for more than 10 minutes! Of course, the initial idle is high when you first start the car and it is very cold, but once you begin to drive or even rev the engine a couple of times the idle usually begins to fall. originally i was going to drop a 1UZ-FE / R154 box, until i done some more research on the LS1 5. I had the throttle body cleaned and the TPS replaced but the rpm still is around 1500 on the rpm gauge. Mar 15, 2004 · My 95 ES300 (as well as my moms 96 Avalon with the same engine) has the same problem. The service bulletin involved replacing the intake manifold. 4 to a lexus is200 2. After the idle speed drops from fast to slow, the engine should shut off within a minute or sooner (two minutes is the max I would wait). ap Jan 21, 2013 · Just got back from picking up the wife's LS400, after she'd gotten a ride home. Also when coming to a halt just as the car stops the tachometer jumps from about 800 up to Oct 19, 2013 · Idle / OCV / TPS issue Sorry to bring up an old thread, but, I'm having the same issues Quick history: -2001 Lexus IS300, Automatic, with ~282,500 miles on it. Guess Im not very good at writing what im thinking. 7L V8 which instantly changed my mind. Nov 24, 2005 · My 1998 ES300 has a very high idle. Th Dec 29, 2016 · I have a 1994 GS300 with 144K miles. Did this several times. Sep 17, 2019 · Does anyone have any idea what might be causing the car to idle rough, see details below. Yours is at 1500 which is a little high. The code reader machine was one of those that maybe a lot of technicians have in their tool box, a very basic generic hand held unit that points you in the right direction rather than the dealer's reader that is specific to Jan 9, 2015 · This article applies to the Lexus IS 250 (2006-2010). Normal high idle (when engine is cold) After a few seconds it dropped down to about 600rpm and then back up to a high idle again. Dec 28, 2010 · Wide-ranging upgrades have strengthened the appeal of the Lexus UX 300e, the urban crossover launched three years ago as Lexus’s first all-electric model. It's quite intermittent and the curveball I noticed today was switching the lights on (or blower on full) seems to stop the rough idle/fluctuating voltage. The club is not part of Lexus UK nor affiliated with or endorsed by Lexus UK in any way. Jan 1, 2004 · My is200 has hickups when idling with a warm engine. when in park or neutral idle is fine, see the video here https://photos. In severe cases, the engine may even stall. Dec 7, 2017 · My IS 250 automatic, has in the past few weeks, had an intermittent lumpy idle problem when starting from cold, my wife even noted it sounded funny when she approached the car as we were leaving the house. It also throw throttle control motor code. My question is how to you do the above cleaning, is this where you add chemical with your gas. Didn't really notice when it started but since then I have cleaned my MAF Sensor and Throttle Body. After almost three weeks of solid driving and 183 miles, yesterday the car stalled within 15 seconds of starting. The diagnostic guys saying its vvti cam pulley issue. These revisions enable the UX 300e to go further between charges; raise the cabin’s aesthetic appeal, comfort, and convenience; and make the car – Lexus’s “Creative Urban Explorer Jul 31, 2011 · Yea, your high side line going to the evaporator coil should be very cold to touch and even have quite a bit of condensation from it. I can start air and it will build up the idle and stop when it is less than 1 slot on the rpm, if i turn air off , it idles back down. The cold idle is now in excess of 2K. 2018 - IS350 high idle. Just seems a bit strange that when cold you can blip the throttle and the revs jump up and down and it sounds awesome, but when warm it sounds a bit, well sh*t, lol. I have a 2000 IS200 auto, which suffered from rough idle, the EML and trc light came on, when I had a look at the engine and noticed that the throttle body was noisey an Oct 6, 2007 · Lexus Gs 300 Idle Problem Lexus Gs 300 Idle Problem. It has now stalled two times while idle on cold start before and after work(a week apart), And both times, it happened when warming up the car then scraping ice off of it, and then closing the drivers door. Jul 5, 2013 · Join the Lexus Owners Club and be part of the Community. I had the same problem and I adjusted the linkage on top of the throttle body or just simple tightenend it up to pull the idle up. I would start by cleaning the throttle body (google Lexus IS200 throttle body cleaning) and also check all the rubber vacuum hoses for splits or poor connections. Presently at 600ish RPM with a slight bog on acceleration. 0 sport. At startup on cold engine it revs up to 1800. First I realize that a car should idle higher when cold so that the fuel burns properly. My problem is similar to the ones these guys experienced:Is200 Sports Luxury 1999 Model Idle Problem - General Automotive Discussion - SAU CommunityIs200 High Revs On Customer: Hi there,i have a lexus is200 which begun idling high after reaching operating temp. 9 hours ago, Mr Vlad said: Blimey that's cheap compared to genuine. My first problem was faulty ignition coil. Lost the smooth Lexus feel :(. this seams to fix the problem, but few day later the problem change to start at high rpm 1400, the transmission shift out of time and rough, lack of power and hesitation at acceleration. The V-6 engines had a little less power, but got much better gas mileage on regular gas. Before you can know what you need to fix, you should troubleshoot the problem. Learn More #2: Groaning Noise When Changing Temp 2016 IS 200t Apr 9, 2013 · DISCLAIMER: Lexusownersclub. Jul 8, 2008 · Thanks Colin, didn't realise there could be so many codes Re: O2 sensors. T May 6, 2009 · All the TSB's have been completed, all the computers on the car were checked for the latest software and they can not find the problem. when driving car cruises at 750 rpm but when at a stop idle srops to 200 rpm(250 if a/c is on). 9L / 300 - Chronic high idle problem - finally fixed it - My 1991 4. Lexus wanted $2300 to replace the throttle body and the traction control motor. It makes the car a bit unmanageable shifting in and out of gear. I still have a feeling its not the throttle body. No fault codes and TPS is adjusted corectly. I've just replaced the main 2 oxygen sensors (not the 3rd one behind the catalytic converter), I installed them this morning. Jan 26, 2010 · HI. in 2012 to correct problems with carbon buildup in the cylinder head and combustion chambers. 9L has had a high idle ever since I bought it from my brother-in-law. I have seen some post regarding my problem and the majority is cleaning the Idle Control Value and/or throttle body. Runs great as mentioned. i checked over everything for an air leak of some sort an nothing, i drove the car around for 3days in this condition then i thought possibly its the throttle body so i pulled it apart an cleaned it an put it back on, Mar 2, 2015 · Hi My 1999 is200 has started idling a bit funny lately. And it drove fine until wintertimeThere’s a clear difference in the way it drives depending on the outside temperature, and there’s 80,000 miles on it now. A little high in park but its smooth after the motor and trans mount May 20, 2024 · Continuous high idle is almost certainly caused by excess air being allowed to enter the intake manifold, either by a vacuum leak of by a faulty idle air control valve (IACV). Lexus did issue a technical service bulletin for the 2011 – 2013 models for this exact problem. Thread starter JPBFerrari Another issueis it normal for these vehicles to idle high? Even after a 5 Jan 19, 2010 · Just put in a 2nd hand throttle body as i was getting bad idle and a knocking sound from the TB, problem was the throttle position sensor inlet pipe was broken when the 2nd hand TB arrived so i had to put the old throttle position sensor in, im having the same problems as before !!!! Here's a vid Dec 10, 2014 · 11 hours ago, bixtape said: New caliper and bracket? Yes both replaced. We have gathered all of the most frequently asked questions and problems relating to the Lexus IS200 in one spot to help you decide if it's a smart buy. Finally fixed the idling issue that my Lexus had for almost a whole year! If you have the same issue on an automatic is200, try this out if you haven't already May 23, 2020 · 1500 rpm is normal when cold, around 700 when hot. Oct 21, 2007 · Cranks up fine and hits the high idle point, but instead of falling on it's face for a second, it drops down to 650 RPMS, the same RPM it would be sitting at when warm. Reply reply Nov 6, 2009 · Hello braintrust. Jan 4, 2009 · On my 91 lexus ls400 , along with the high idle until the car warms up, when I turn the air up it idles back up to the same level as when you start it in the cold. I also read that there is a special lubrificant that prevent this to happen, it's called FlashLube. Got to the car and started it. :D . I have been reading that toyota engines have a problem with the valves when the engine runs on LPG, making the valves and the seat valves to wear much faster. My is350 had bad idle with cold engine and weather for a few minutes, rough idle went away after a few minutes, the problem was that the throttle body was dirty, cleaning it fixed it. It fluctuates below and above 500 rpm but never high above 1000 or low enough to feel like it's stalling. Feb 21, 2005 · I experienced a few problems while trying to adjust the throttle cable. a hose on my air intake is broken as well as the BVSV valves (yes Mar 20, 2014 · Idle speed is set by the ECU so not adjustable. Design issues with the IS 250/250C 2. Please help. There is no seperate IAC valve. Whenever the car stops at traffic light or stop signs, the idle speed was very low, sometimes it was below 200. I change the vvti valve. After reconnect Battery no have light on dashboard anymore but rpm stay a 1800/2000 (hot/cold). Only one way to find out though. Related: Faulty PCV Valve Symptoms Lexus Sedan Discussion. But dont forget the mapp sensor, this measures load and change in elevation, and will retard the timing and injector pulse accordingly, if faulty, it will give false readings to the computer, causing the high idle, you may also want to check for vacuum leaks, get a can of brake kleen and mist it around the hoses and intake manifold. Has your Battery been disconnected, somethings it takes a while for it to learn the idle speeds and ideally needs to be driven, with stop start driving to learn quickly. Mar 31, 2023 · Hi All I am a first time Lexus UX user . It is very difficult to pin point the problem. Dec 27, 2008 · It wont hurt it, but it may help the rough or low idle a bit. Once it is warm . Aug 2, 2022 · DISCLAIMER: Lexusownersclub. If your check gauges light comes on, you should also make sure these items are addressed and that any light mechanisms are in good condition. Everything is controlled by the DBW. I'm having some sort of high idle problem, about 2000rpms, especially after a cold start. Codes p1349 vvti problem. . Rotary solenoids are prone to carbon buildup on the moving parts, and this can cause the valve to jam. I have experiencing the low idle speed problem for about 6 months. Someone told me it probably is the Idle Air Control Valve but I don't know where it is located. Feb 11, 2013 · Purchase a 2007 LS460, rough idle, have not had timing belt changed yet. I wouldn't worry about the intial slightly high idle as long as you end up at ~650. May 24, 2009 · Since the ECM has complete control of the throttle, there is no longer a need to have a separate control for the idle. It usually idles around 1200-1400 RPM, even with the IAC disconnected and the base Mar 31, 2023 · Hi All I am a first time Lexus UX user . S. Are you having problems with your Lexus IS200? Let our team of motoring experts keep you up to date with all of the latest Lexus IS200 issues & faults. Of course, your IAC valve might be the problem itself. Jul 25, 2013 · A low idle may cause the IAC valve, or idle air control valve, to overcompensate for an improperly adjusted throttle. Mar 14, 2010 · I have same problem after clean throttle body. Anyway, last week monday evening i jumped in the car and was going out for a drive wit Apr 10, 2010 · the problem: the car is a is200 sports 1999 automatic 170,000km(105,000miles i think) the car has this problem idles at 3000rpm . Here is a quick guide on how to fix a Toyota or Lexus that either idles high or stalls on start up. The problem seemed to be a rough idle or engine misfiring due to moisture build-up in the intake manifold. 1) My Lexus UX 250h E4 , seems to rev very high at idle , say when at traffic stops . Details 2008 Lexus is250, 120,000 miles / 200,000 km Description Idling rough when the engine is hot and in either drive or reverse. I figured it was a sensor issue, mainly because of my intake (PLP) and headers. Checked my wiring once again and then changed out the throttle body. These revisions enable the UX 300e to go further between charges; raise the cabin’s aesthetic appeal, comfort, and convenience; and make the car – Lexus’s “Creative Urban Explorer Jul 5, 2005 · Went for a MOT today and failed due to high CO2 emission (double the limit!) and a high resting idle speed. However in my '02 IS300 the idle, when cold, is significantly higher than it was when the car was relatively new. I can hear the engine crying out loud 😀. I had Dec 28, 2019 · It’s a real Lexus dealership lolI bought it used with 43,000 miles from another dealer in the spring a couple years ago but have it serviced at the Lexus dealership. Mar 7, 2024 · So i bought a supercharged is200 about a month ago, its my first car so im new to this. Mar 6, 2022 · A few days ago I was driving cane to a stop and all of a sudden my car began to shake slightly at idle. At the same time the lights dim very slightly and then return to normal. Feb 27, 2016 · Once warm mine had begun randomly alternating between an irratic but nearly normal idle, a high 2000+ rpm idle, and stalling. First off, after I installed my headers, intake, and full exhaust, my car's idle went to crap. Resently I've had engine running problems. Jun 24, 2007 · Thats what Lexus said was causing the high idle. Aug 24, 2006 · i got a problem with my sc300 2jzge 5speed and the problem does not happen all the time but the first time when the engine got to operating temp and i came up to a light and stopped the rpms would drop to about 200 and then slightly raise and then lower fluttering the gas or holding it to 1000 Jul 13, 2009 · You will notice the engine running at a high idle. It's FREE! My is250's idle RPM seems quite high to me, around 1300-1400 upon starting and in park but Jul 20, 2013 · I too have a 1999 Lexus IS200. Iv read that people have constantly driven them in snow mode which has helped them with fuel but Aug 30, 2019 · Lexus IS200 Problems. . It only drops back down to regular idle speed when the temp gauge is at halfway, Mar 31, 2007 · Hey, about a month ago, i started experiencing a high idle. I have seen mine throw the misfire code when that happened. Sep 22, 2006 · The low idle speed problem is so common among the earlier LS400s. The material contained in the forums is submitted by the general public and is NOT endorsed by Lexus Owners Club, ACI LTD, Lexus UK or Toyota Motor Corporation. Does anyone have the same Mar 4, 2010 · The idle on the IS200 is controlled via the drive by wire throttle body. 1. I wonder if anyone can shed some light on my idle issue. I'd be cruising and when I'd stop at stop sign, stop light ect. Please HELP. It would sometimes idle as low as 400rpms, which really concerned me. In the morning or after a long period parked, the rpm is nearing 2000 all the time now on start up for several minutes. On steady throttle about 3000-4000rpm runs fine but on idle and accelerating happens "misfires" or something like that. hlrenh xrdi bgel swdwz rmxsh gfz qcnad fandeti nyfsklm mwmvqk