My mechanic thinks the adjustment screws were messed with on the throttle body and we can't get it dialed back in. 1. On my 94 caprice the idle is messed up it was running at 1200 rpm i changed the mass air flow sensor and the iac motor and the pcv valve to get idle to 700 rpm now when i start the car it boggs down and running ruff the motor shakes alot any idea what it could be (fuel?) It should readjust after about 200 miles or so and be back to normal. Hey, i have always been curious as to if the DBW system can be converted to drive-by-cable. I recently received a stock throttle body which was donated bu Bada44 ( thanks once again) the goal is to see if the blade motor can be taken out of the equation and have the throttle blade be actuated by a cable instead. Reply If one or more solenoids are bad, you may lose the use of one or more gears, and may even be stuck in one particular gear or unable to shift into any gear at all. Took it to the mechanic he tried to do the relearn with his Midas scanner and said the new throttle body I put in was messed up ( somethin abt the butterfly plate) said I should just clean my old one and try that. Buyer beware. Oh and it does not have cruise control. These can be fuel injected engines or carbureted engines. In addition, now that the computer has control of the throttle body, you can do some other cool things. Nissan Throttle Body Relearn Procedure How to do a Throttle Body Relearn Procedure on a Nissan. Then you come out of throttle, merge to the apron (again, when directed) and cruise to Pit Lane, where you’re ordered to find neutral and coast to a directed stop. A bad throttle body sensor offsets the air/fuel mixture and causes numerous problems, including idle surging. So you have to go to a mercedes shop and expect to pay between 1200 and 1500 . The ECU can now open or close the throttle body as much as it needs to get the car to the target idle. This topic contains 10 replies, has 5 voices, and was last updated by K24A4 7 years, 3 months ago. You might notice this as a gushing or a noisy air inlet sound coming from the top of the throttle body. Apr 08 2018, 12:07am ... 12:07am. The throttle position sensor, TPS for short, is a sensor that is used in an internal combustion engine. I had my throttle body cleaned at a shop, because I thought I would need a new accelerator pedal cable. Trying to help out a friend who did their own head gasket and didn't mark the vacuum lines or how the throttle cable connects to the throttle body. I logged it happening and waiting to hear reasons why. On the way (about a mile away), my check engine light comes on and my cruise control light starts flashing at me. Coolant temperature must be between 5 and 95C. I have a 2009 EX-L 4cyl AT. This is far more advanced and customizable than a 30-year-old ISC motor. It can be an occasional issue, but if it is accompanied by any of the other listed symptoms, it may be the throttle body temp sensor. what is an etc relearn? Now I noticed a difference the car seems to rev more when idling, more pick-up, when releasing the brake, and even when I turn the engine off the engine doesn't completely shut off till a split second later. Creator. You said the throttle body was really dirty. Cleaning electronic throttle body known as Drive by wire(no cable). Ever since this the car has been running weirdly, especially the way it shifts. Not good. tion is not known. I thought it seemed like a nice piece until on the test drive the bracket the throttle cable mounts to that opens the throttle body fell off and locked my throttle blade open, as well as binded up a bit against the inside of the throttle mouth and I had to get a tow home which cost more than the unit itself. Do not confuse a slipping transmission with a solenoid problem. I bought a 1985 Lebaron Convertible. But when I go on the road car seems to not accelerate after 3rd gear. i got the tuner working i was just being a retard hahaha. only a throttle body relearn, but that will take care of itself after a few drive cycles. The ECM made an adjustment due to the carbon build up on the throttle body. I'm thinking of buying a land rover 2003 for $1500. Just wondering if it can be put into low or high gear an then just driving without trying to use 4 wheel drive If you own a Nissan Altima and clean or replace the throttle body or replace the ECU, you must do a Nissan Throttle Body Relearn Procedure to get a proper idle . Hi, Brand new to K-cars and working on cars in general. As soon as you see a mix of these throttle position sensor symptoms, you should test the TPS and if it isn’t functioning properly, it needs to be replaced. This noise is a large amount of air being bypassed by the IAC. Replace throttle body if no faults are found. Have cleaned and/or replaced most sensors. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Hanging idle after drive by wire throttle cleaning. Can rev engine to max in park or neutral with no fault codes. In comes the DBW throttle body. Unfortunately, a TPS cannot be repaired as it is a tiny sensor but the good news is that a new sensor “usually” isn’t too expensive so you can get back on the road soon enough. Any suggestions or ideas are greatly appreciated. There are ways I can adapt the plenum to accept a standard cable driven throttle body but I'd like to play around with getting the original electronic one working. bbk … If adaptation does not take, or errors persist, check wiring. $30). I wouldn't worry about having messed up the TPS, I've removed and cleaned my throttle body many times on my 05, opening and closing the flap with my hand and have never had a problem, and GM's service manual says itself … K24A4. From my reading it should be a 2.2L FI Turbo. I assume it's because he can't tune it. In fact, if you've noticed a rough idle, stumbling initial acceleration or even stalling - all when the engine is fully warmed up - a dirty throttle body could be the culprit. If you want to rule this out you can take a can of carb clean and spray along the intake runners by the injectors and see if the rpm changes at all. sounds to me more like you just over reved it and made it jump time, it has a timing belt or a timing chain depending on your engine, which can slip when you put it under that type of pressure as you did so it might be a tooth out of time now. Hi Im David, you can replace it with any throttle body for your year make and model. If you can get the truck to start, issues with the vehicle’s functionality will become readily apparent. It could happen the first time a floor it or the 10th time during a drive. Engine idles and runs great in park or neutral. A throttle position sensor is a sensor used to monitor the position of the throttle in an engine. Other things to check include the brake pedals, clutch and gearshift. Though this can result from a number of causes, one of them can be an improper air/fuel mixture incited by a broken temperature sensor. You need to take a road trip. Don t … I drove 80 miles and it still reads full. For example, if you see antifreeze in the oil, chances are there is a crack in the engine block. You stay flat-footed until you’re rounding Turn 2. I have a 08 dodge caliber se 2.0 cvt ..constant variable transmission. Good throttle in reverse. When you cleaned it, you caused a sudden change to the throttle body function and confused the ECM. I had and installed it on my old vehicle but it horribly messed up my throttle response. Re-calibrated throttle body at cold and hot temperatures. Thank you for your help. The air will travel up the intake and it will reach your throttle body. Topic September 3, 2013 at 12:59 am #542197. I am doing a engine top end swap on my engine and the top end I'm going to use originally came with a drive-by-wire throttle body. Has new turbo and throttle body. This made me wonder if the air/fuel mixture is messed up some some reason contributing to the poor power performance on the highway. i called bbk and told them what my problem was and the tech told me that the issue i was having was not common and that the throttle body is not working properly. You have problem with the valve body, if you car is 2007 up the valve body is integrated with the transmission computer and you have a problem ….Mercedes benz NO sell the valve body to individuals, only to shop with a looksmith license and a insurance. After gassing up, I pulled into a spot and attempted to re-learn the idle. I would like to try and mess around with this. ... you have the Electronic Throttle Body (03-04) that was the "drive-by-wire" attempt for Toyota (also on 01-02 4Runner). that would be the most logical answer. He recommends just replacing the unit with one that hasn't been tampered with. Did that but the car immediately goes into engine reduced power so I put back the other one. If it's a throttle body issue then I will put this stock New in box KB75 on. I want to buy a throttle body spacer and intake for it to increase gas efficiency and a little bit of torque and hp. You will hear and feel the difference when you try to shift. $75), the TPS…throttle position sensor (appr. Can you please give me a vacuum line schematic and a pic of the throttle linkage already hooked up. you can only adjust yout throttle body with VAG-com...PERIOD . so now when you drive it then it may back fire and it may not. Most used ones seem to be missing the seal where the adjustment screw goes so I'm thinking I might just buy a new own style replacement. Boost leaks normally make a car run rich and cut out however a lean condition can be caused by a vacuum leak during partial throttle (light throttle no boost). In the old days, there was a wire attached to the gas pedal of your car and it would move accordingly to how you pressed it. i tried installing the stock tune to see if it was the diablosports tunes that were messed up but i still got the same problem. 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. Vivid Racing ... Also, a po'boy TBA will make the car driveable again after a messed-up "real" TBA: Try doing a real TBA w/ a vag-com, only step on the gas pedal near the end of the process so you see "ADP-ERR" in field 4. The throttle body is a circular valve that’s located in between your air filter and Intake Manifold . It's running rough so I decided to pull the throttle body to clean it. $30), and MAP sensor …manifold absolute pressure sensor (appr. Call me an idiot, I know, but I used brake cleaner to clean my throttle body. I ordered a "Throttle Body Repair Kit" from AutoZone. The spotter informs you that you’ve “taken checkers”, indicating that your race is done…except, it ain’t. it also may depend on speeds … In this case, the engine may be too hot for you to effectively start the car. passatworld.com is not in any way affiliated with Volkswagen AG. When I'm slowing down to a stop it downshifts rough, … Up by me I had a tuner basically tell me I messed up and KB Is junk. If fault codes were cleared cycle the ignition off and back on prior to running Basic Settings. Look for signs of leaking or mixed engine fluids. The TPS is used to monitor the position of the throttle butterfly valve. 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