2018 lexus is200 throttle body problem

2018 lexus is200 throttle body problem. Both the inside and outside of the throttle body can become dirty, and both can cause problems. The 2nd owner suggested that the car needed a new catalytic converter- so my IS has Jan 12, 2016 · Noted below are a few of the common warning signs of a bad or failing throttle controller. 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, May 28, 2013 · 3. The car actually broke down over a year ago because I neglected to get the tensioner changed. Performance & Fuel Consumption. The camshaft was replaced as was belts etc. I take it off and let it soak in a large pan of gas. 2) Make a slit length ways down the spacer. Unfortunately, the scan tool output is only for the "absolute throttle position", and it is not clear which of the two are monitored (The name "absolute throttle 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. Jan 21, 2024 · I’ve recently bought a turbod is200 when going into boost the car cuts out and turns off have to prime the fuel again to get it started wnyone any ideas I put 1zz injectors in tried a different throttle body 2 new lama sensors still didn’t help it anymore Community dedicated to Lexus IS Enthusiasts. Name: philip. An upgraded cooling system — including a high-capacity radiator, an enhanced water pump, and high-performance Jul 16, 2009 · if the ambient outside temperature is low enough, without a heated throttle body, or carburetor, you can cause icing on the butterfly and inlet venturi, because of the drop in temperature as the airflow increases through the inlet venturi, yes it sits on a hot engine, but in the winter, on a moving car, little heat can be absorbed into the Oct 31, 2012 · Lexus Model: LS 430 JDM Celsior. Scheduled Maintenance Costs. If your Lexus IS 200t is idling rough, has suddenly lost performance or refuses to start, your throttle body could need some attention. Author. i think i could succesfully make up a kit using home grown products at half the price. May 28, 2020 · Hi Everyone, Hi mate, thanks for this. Relay R3 – Air-conditioning compressor relay or Horn. If you pull your TB for cleaning, please check out the nylon gears. Dec 10, 2014 · Carbon can build up around the throttle body, causing the engine to stumble on low throttle. Ive checked every sensor on the throttle body for continuity just in case the loom has corroded but they were all fine. This is an interminute problem. My IS200 (2002) has shown code P1346 for some time now. report. The 15. I’ve done that distance from the Czech Republic to The Hague on the west Sep 12, 2018 · Update: got a whole new throttle body off of a part out is300 along with the idle air control valve and throttle position sensor. Your Acadia’s throttle body controls the amount of air that enters the engine. Location: NeathPortTalbot. $ 1250. 5 x 17 inch alloys - Pitting. Jun 9, 2012 · 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. The throttle body can be differently priced depending on different vehicles, models, and the manufacturing Mar 4, 2010 · Established Member. Toyota hooked the car up to a tachometer and it idled at 715 rpms. Nov 20, 2013 · So for the last few month I have been having problems with my 99' Lexus IS200. 5K miles and had a slight hesitation at standstill acceleration but has progressively began to get worse. BODY ASSY, THROTTLE W/THROTTLE POSITION SENSOR. This is an estimate of what you might expect to pay for routine Oct 7, 2010 · new member to this forum and new owner of a Lexus IS200 2002 can i join in and ask a question for a problem that has arisen. A car that's having trouble starting will sometimes give a check engine light. Failing ETCS/DBW system sensor (s) By far, the most common cause of Ford Fusion throttle body failures is dirt and debris in the unit. 8. The only way I found around it was to leave my car unlocked over night, which wasn't very comforting. Jan 5, 2018 · If you youtube is200 throttle body there is an explination on how it works its really weird and doesnt make sense the first time you look lol Its a combination of electric drive by wire and a mechanical cable drive. Feb 28, 2016 · It drives fine until it warms up. 4 mostly highway. Sep 17, 2010 · i have a throttle problem when i rev up hard the engine manigment light comes on and there is a change in the throttle when i stop the car and start it again it comes ok until i rev up hard again a few peaple have told me it could be the throttle body pleace could someone help my car is a toyota May 25, 2018 · Will be having another go at it the weekend, will let you know how I got on. this only seems to happen when the car is started from cold. Fuel Injection Throttle Body. Lexus Model: NISSAN SKYLINE. May 9, 2020 · Throttle Body mod to make it 1 to 1 with the pedal done it on my drift car wouldnt see a point in a daily driver but thats me ;) Jan 10, 2002 · Posted January 10, 2002. Come in and enjoy our articles, galleries and information on aftermarket parts for the IS300, IS250, IS350. Posted October 27, 2012. Auto: 11. fr/ 2 days ago · 96 K - 108 K. report provides a detailed list of fuse box diagrams, relay information and fuse box location information for the 2016 Lexus IS 200t. Hi guys. Hey guys, I have a 2001 IS300 with about 185,000 miles. At first I thought it was because my phone wasn't connecting with the Bluetooth correctly but then I still didn't get a response with a CD so then I tried the radio and nothing. Because the throttle is responsible for managing the airflow, any gunk or debris in the body can decrease power and acceleration. Less common causes are faulty throttle position sensor (TPS), bad ignition coils, dirty fuel Jan 26, 2010 · HI. Removing the throttle body is a 15 minute job. 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 changed the throttle cable and have tried 3 throttle bodies. Lexus IS200 Body Electrical System (3) Download. The throttle valve itself is connected to the inner pulley. Feb 26, 2010 · Hello everyone, Got a major issue with my Lexus. Remove plastic engine cover. There is no seperate IAC valve. This throttle body has two levers on it's side, one for input and one for output. 0 sport. 9. Oct 8, 2012 · 16. 958. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. I went, explained what was happening and asked for their best technician. But, the engine is actually running at a higher rpm than what the tach. Name: Chris. 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 Apr 17, 2008 · However, there are two sensors on the throttle body: a throttle position sensor ($140 on Amazon) and an accelerator pedal position sensor ($299, only available at Toyota or Lexus). DOT. With Pedal Commander, you won’t feel any throttle lag and enjoy faster acceleration. At a guess it would be an electronic mod. 8k. Hi everyone, I thought it would be useful to list the problems I have had so far with my car, and then we can do a comparison to see which problems are common to the IS200. Lexus IS200/IS300 Electrical Wiring Diagrams Download. Repair Costs. But this presented a problem. in japan. Lexus IS300 (XE10; 2001-2005) fuses and relay Download. Sep 8, 2010 · Lexus Model: IS 300. Relay R1 – Fuel pump relay, Additional relay, fuel pump. It idles perfectly. When this happens, usually a headlight fuses at the same time. Posted November 1, 2012. After a brief research, I found out Lexus issued a recall on the 98-99 GS models. Dec 13, 2017 · Heck, simply obtaining any model other than a domestically built Kia or Hyundai is difficult. Lexus IS200 Body Electrical System (2) Download. >>Join the conversation about the MotorKlasse IS200 right here in the Club Mar 1, 2023 · Throttle Body Replacement Cost. no warning lights on at all and yes i,ve given the throttle body a good blast with the recommended cleaner. 5 sec. It wont move. Lexus Model: is200. 5 L Transmission: Automatic. Ive also tried another second hand throttle body with the same results. Posted September 8, 2010. The throttle controller is controlled electrically as opposed to the older, mechanical cables that ran from the throttle pedal to the throttle body. the steering seems to 'judder' when turning. Jul 9, 2006 · I have 204 K miles on my 01 Rx. I think I've finally found out whats wrong with my is300s throttle body!FOLLOW ME!Instagram: vt_bobbySnapchat: Bobbyej8Twitter: VT_BOBBYFacebook: Bobby Vermi Apr 9, 2023 · Changed the bearing at box etc. Jul 17, 2005 · 1) Cut a 11-12mm length of hose and trim it square to use as the spacer. ive even got the basics of a design i did for 6 throttle bodys on the 1g-fe for the is200. This is your input, where you tell the car how much you wish to open the butterfly valve. This is why the inner pulley appears to lag the outer pulley May 13, 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. Locate fuse and relay. Posted January 18, 2007. Hi, forum just to say that finally my misfire problem is sorted, it was the fuel injector in the cylinder number 1, when cold the multimeter showed "15" Ohms and when warm showed "0" Ohms, so i changed the injector and so far so good. 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 Feb 28, 2016 · It drives fine until it warms up. (Revved and cut off) After calling the RAC and g . Relay R6 – Cooling fan 1 relay. Select your Lexus IS body and engine to learn more! Also, Pedal Commander works perfectly with Lexus IS’s submodels like: Base, C, C F Sport, F Sport, 200t, 250, 300, 350, 500, F, F Sport Performance, F Sport Performance Launch Edition, F Sport Performance relay box diagram. Posted October 12, 2012. Nov 11, 2019 · May 30, 2023 by Jason. >>Join the conversation about the MotorKlasse IS200 right here in the Club Nov 4, 2015 · Lexus’s fulfills its mission at the track, getting a somewhat heavy sedan to 60 mph a full second quicker than the IS250 AWD could manage. Since its founding in 1989, it has repeatedly pioneered new thinking and new products that have changed people’s perceptions and reshaped the luxury car market. Fuse Box. 1. Step 2: Press the accelerator pedal ALL THE WAY to the floor and hold it for 40 seconds. Lexus. Jun 8, 2008 · 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. I decided ( god only knows why) to clean my throttle body on my 05' Nissan Maxima ( yes I know not a Lexus), and all I accomplished was destroying the throttle body butterfly fly by wire leaving a gap so it revved close to 2K rpm at idle. 5k. Location: Derbyshire. When I press the accelerator nothing happens until its about 50% pressed. Dude drove the car around the block, came back and writhing 1 hr had the issue fixed. But this code keeps showing up. 8 posts · Joined 2016. 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 May 9, 2020 · Throttle Body mod to make it 1 to 1 with the pedal done it on my drift car wouldnt see a point in a daily driver but thats me ;) Aug 11, 2017 · 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. Ive even had a mechanic put it on a scanner and apparently the throttle only registers 26% when your foots flat to the Feb 22, 2016 · Step 1: Turn the key to the ON position but do not start. Step 3: Release the accelerator pedal ALL THE WAY and count for 35 seconds. Never seen any real testing done before and after installation. When you disconnect the fly by wire motor the EM light comes on as well as the TRC light and the car doesn't run correctly at all. com/channel/UCH_8T8KoaNXKxsNpwYueplgIS200 BCW Project - https://youtu. 2. this seems to clear by the time i've reached the end of the road. Remove air intake tubing system. While driving my IS200 the engine management light came on and then suddenly rev counter shot up and the car cut off. Lexus Model: is200 sport. Jan 3, 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. May 25, 2015 · Throttle lag fixed (knock on wood) I like many others have been experiencing massive throttle lag. The idle is too high. Jun 26, 2012 · Under normal circumstances the TPS never needs adjusted or touched. Jan 15, 2007 · 958. For exsample, i go in 3rd gear in 40km/h then i accelerate to 60, and go back to 40, ride a bit longer in that speed, and hit the accelerator, and s dot. $ 746. 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 Dec 14, 2005 · there are quite a few companies that have throttle body conversions for the 3s-ge. Step 4: Press the accelerator pedal all the way to the floor and hold for 30 seconds. 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 !!!! Aug 7, 2019 · Shout out to Ben at Benny's Custom Works and his channel here - https://www. IS 200t. But the worse is, when i go in 3 - 6 gear. It seems that there was a problem with the alarm that has been setting is off at all hours of the morning. is stating. Jan 7, 2023 · Throttle body service involves cleaning the throttle blade and bore. 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 Jun 15, 2009 · 12. Lexus Model: LX470. More. Fuse box diagram. When I first got my car it was throwing up misfire codes even though the coils were perfectly fine and 6 new spark plugs. 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 Jun 24, 2007 · Lexus Model: 94 SC400. Recently, I have started having issues with acceleration. 10. Fits IS 200t (2016 - 2017) Throttle Body - Repair or Replace. Posted June 24, 2007. Then after about 25-30 mins, the engine noticably bogs down, and when I push down the accelerator, the cars Aug 11, 2006 · 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. The average throttle body replacement cost is between $250 and $650, depending on the car model and labor costs. Posted June 15, 2009. I might have to take mine off just for kicks and see what it looks like. 5 mpg mostly highway, after 17. So he imported one and got to work. Jan 15, 2021 · Because in essence it was like a new throttle body the PCM needs to re learn. So today I decided enough is enough and made an appointment at my local Lexus dealer. Allow the car to run for about 10 minutes or so and when then thermostat opens/fans come on, rev the car a bit (2K or so). Anyway, last week monday evening i jumped in the car and was going out for a drive wit Apr 26, 2016 · Once the engine is up to speed you need to come to a complete stop and take it out of gear and let it idle for 20 seconds, drive off and repeat. I have an aftermarket radio and one day after work I got in and I couldn't get any sound. just trying to find out if anybody has experienced this before and has an idea Jan 15, 2021 · Lexus has a proud history of pushing boundaries and challenging the status quo. There is a throttle cable fitted as standard but only as a back up. Got it , will try this tommorow and get back to you. The following have been replaced under warranty: 1. Relay R2 – Dimmer relay. Everything is controlled by the DBW. Sep 17, 2010 · i have put a new throttle body on but i dont no ive i have put all the air pipes on right. its a auto before the throttle body went it was ok tick over is just right i just dont get full throttle when i drive it and the power is down i did clean one of the plugs before the throttle body went never got round cleaning the rest Mar 16, 2024 · They claim that the air just bounces around and isn't consistent entering the throttle body without this spacer. Nov 23, 2007 · Click here to enter the Lexus Technology section, for more detailed information about Lexus engineering and design features. You control the throttle body position with the gas pedal. 3-second quarter-mile run was 0. Maximum Speed: Manual: 134 mph. Shut off. The outermost lever is connected to your acceleration pedal via cable. The car to get stuck on a high idle and Apr 17, 2008 · However, there are two sensors on the throttle body: a throttle position sensor ($140 on Amazon) and an accelerator pedal position sensor ($299, only available at Toyota or Lexus). youtube. Relay R5 – Cooling fan 2 relay. Lexus IS200/IS300 (EWD452E) Relay Download. I have removed the throttle body a couple of times to clean it real good but have never touched the IACV. Will shut you down and cause poor fuel economy. Description: Used 2018 Lexus IS 350 with Rear-Wheel Drive, Fog Lights, Alloy Wheels, Keyless Entry, 18 Inch Wheels, Lexus Enform, Sport Seats, Satellite Radio, and Heated Mirrors. #1 · Jan 17, 2013. https://stuffcc. Acceleration 0-62 mph (0-100 km/h): Manual: 9. 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 May 31, 2021 · To fill everyone in, the is200 throttle body is a bit more complex than some other from the same era. I've been looking into buying a 98-00 GS300. Lexus IS200 Body Electrical System (1) Download. Keep the screws loose and slowly turn the TPS counterclockwise until you feel it hit the throttle valve shaft. Click here to view the UK prices for the IS200. But Kim wanted to build a time attack machine based on the Lexus IS200, not one of those boring offerings. Wait 7 seconds and fully step on gas and stay on until MIL stops blinking and is steady. Another thing to check is to lift the bonnet and locate the throttle cable connection to the throttle body then get some one to press the pedal down and then release it while you check the movement of the cable. Year of Lexus: 2004. Intermittent throttle control. Before replacement TB several shut downs. Posted May 28, 2013. Jun 19, 2003 · Hi all, I am glad to be here, with some of the experts. Please note that, if the parts are dirty, the car's computer will take around three Mar 2, 2023 · Dirt and debris in and around throttle body. This spacer forces the air into a uniformed almost turbine effect resulting in better performance and mpgput one on my 94 Z28 but didn't notice anything. Mileage: 54,298 miles MPG: 20 city / 28 hwy Color: Silver Body Style: Sedan Engine: 6 Cyl 3. 72 posts · Joined 2011. Hi guys, im a complete noob to lexus ownership. when i drive it it dosent get ful revs and the gears change slugish. be/ Dec 17, 2021 · The most common causes for slow acceleration in Lexus IS are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs and clogged catalytic converter. The engine operates most efficiently at a certain temperature. I have a 1999 Lexus LX470 and having problems with the throttle body. Auto:127 mph. Year of Lexus: 2001. Dec 6, 2005 · Regular Member. 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 Jun 26, 2011 · Just jack the front end up or park on a steep hill and turn your heat on max hot, blower on low. Oct 26, 2012 · 122. Help throttle response from bieng too sluggish. I just recently had the starter replaced and both TPS sensors replaced. Hello everyone, posting an issue I had with my throttle body. The idle on the IS200 is controlled via the drive by wire throttle body. What's happening is: Sometimes when pushing on the gas pedal, the butterfly in the throttle body does not move. (when driving) before replacement TB 14. im about to buy a 2000 V is200, the car has had the engine out and is now running in "limp" mode, its been plugged in and is coming back with a maf problem, apparently a pipe is on backwards. Nov 25, 2014 · Step 5 - Check the battery. Feb 8, 2009 · 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. After cleaning, the engine should run smoother and cleaner. Jul 31, 2018 · It's mileage sets at 234. Posted March 6, 2010. In some instances, the electric signal is disrupted, whether due to a Oct 19, 2013 · Fully step on and release gas pedal 5 time within 5 seconds. VVT valve changed, camshaft position sensor changed even the coil pack, all 6. Expand. Eventually I modded one of the throttle bodies and it has solved the problem, however the modded throttle body is not ideal as it revs high and is drinking fuel like no tomorrow. Location: Greater London. The air should work its way to the reservoir. Average failure mileage is 26,450 miles. Next time your by car get someone to press pedal and watch the throttle body. So now I have changed Bank 1 sensor 1 o2 sensor Spark plugs (new) Spark plug wires (new) Coil packs (new) Maf sensor (new) Throttle body (used) Idle air control valve (used) Throttle position sensor (used) Jul 16, 2016 · TheKid7. If your GMC Acadia has a faulty throttle body, it can cause it to run terribly. 8 second quicker Dec 5, 2016 · Hi guys I saw this thread title and immediately thought " I hope he hasn't done it yet". If the engine gets too hot, it can lead to decreased performance or, worse, engine damage. Nobody could find fault so in the end I had to take it to Lexus as I was at my wits end. 4 to a lexus is200 2. Quote. So this video says similar to first one except: Method start car and let it idle for 3 minutes. A shorted battery will cause your check engine light to Oct 23, 2011 · This signal is sent to the ECU which works out how far to open the throttle. Most people choose to perform the throttle body cleaning in a home garage. Location: Somerset. I heard cleaning the throttle body is a bad idea and can cause. Part Number: 2203036050. When you have a bad TPS, when you go to mount it with the screws, mount it at the furthest clockwise position as a starting point. It will try and make a tiny adjustment each time so it takes a while to finally get to the correct idle speed. 2016. Calculations based on 12,000 miles driven per year. Feb 25, 2009 · Posted February 25, 2009. Hello matey, the throttle body intake is 60mm, And i used a 90 degree 63mm inside diameter hose when i did mine and was a pretty good fit :) Quote. The black wheel, where the cable connects, does turn. 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 !!!! Jan 8, 2019 · Heck, simply obtaining any model other than a domestically built Kia or Hyundai is difficult. Nov 17, 2004 · Realy, it got worse and i don't know why :yack: it seems that acceleration is slower in the 1 and 2nd gear when lifting, i mean longer to go to 6 RPM. Lexus Model: IS 200 Sport. Remove related PCV and vacuum hoses. Jun 13, 2020 · How to clean a "Mass Air Flow Sensor" and Throttle Body on a Lexus IS250. just been playing round with relays and diodes, problem was only using 1 relay last time and was getting it to lock, planing on using 2 relays this time, 1 to lock, 1 to unlock, and some trick wiring, see what happens, probably blow another body control module, but hey, need to get this sorted. 3) Poke your head inside the footwell and locate the throttle cable attachment - there is a small spring located between two washers. I immediately turned the key and started it up again and the same thing happened. Fully release the Gas pedal within 3 seconds after the MIL has turned ON steady. Jan 17, 2013 · i<3mylexus Discussion starter. Dec 4, 2015 · The car will also sit happily at 140kph or 88mph and even after 890km’s at that speed, it won’t wear you out fast. And any other sensors you guys might suggest to perhaps. 4) Snap the spacer around the spring. Apr 4, 2018 · Whenever ambient temperature drops below say 7 degrees celcius, my engine management light starts flashing along with trc light, the light will then tend to go out some days later. Click on an image to find detailed resources for that fuse box or watch any embedded videos for location information and diagrams for the fuse boxes of your vehicle. This issue only occurs at start up. Edited December 14, 2005 by Monster-Mat Jul 14, 2023 · A high-performance cooling system can improve your Lexus IS200T’s speed. Figure 3. According to one of the comments I have read, the "throttle sensor" malfunction caused the car to race at full spe Apr 28, 2005 · 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. Start engine imediatly and let idle. Im trying to clean my throttle body and maf sensor. #5 · Jul 20, 2016. The 2018 Volkswagen Jetta has 1 problems reported for throttle body. Wear and tear from high mileage. Relay R4 – Cooling fan 3 relay. If the check engine light came on followed by the car dying, the problem is likely a failed alternator. The throttle body costs between $200 and $500, while the labor cost is around $50 and $150. This is most likely due to a dead battery or a failure in the charging system. With the throttle body exposed (figure 3), you can apply a generous amount of throttle body to a clean shop towel and clean the inside walls. Posted December 6, 2005. 2 sec. Supersession (s) : 22030-36050. Jul 16, 2016 · TheKid7. First thing in the morning when I start the car, it drives great and normal. Then using the Throttle Position Sensor as it's reference, the Throttle Control Motor moves and trims the throttle valve to it's required position. The engine would run perfect until about 70mph and the accelerator would begin to have a marshmallow affect; slower acceleration. Jan 28, 2018 · Throttle body warning. eb zu zi fp jk eg ua zo ul ck