I'm thinking of buying a land rover 2003 for $1500. In this case, the engine may be too hot for you to effectively start the car. 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?) 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). ... you have the Electronic Throttle Body (03-04) that was the "drive-by-wire" attempt for Toyota (also on 01-02 4Runner). The air will travel up the intake and it will reach your throttle body. that would be the most logical answer. Call me an idiot, I know, but I used brake cleaner to clean my throttle body. 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. 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. Ever since this the car has been running weirdly, especially the way it shifts. These sensors are IAC (appr. You stay flat-footed until you’re rounding Turn 2. After gassing up, I pulled into a spot and attempted to re-learn the idle. I had and installed it on my old vehicle but it horribly messed up my throttle response. Hey, i have always been curious as to if the DBW system can be converted to drive-by-cable. Hi, Brand new to K-cars and working on cars in general. Coolant temperature must be between 5 and 95C. Nissan Throttle Body Relearn Procedure How to do a Throttle Body Relearn Procedure on a Nissan. If you can get the truck to start, issues with the vehicle’s functionality will become readily apparent. only a throttle body relearn, but that will take care of itself after a few drive cycles. Topic September 3, 2013 at 12:59 am #542197. 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. no software update needed. Has new turbo and throttle body. 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. tion is not known. I assume it's because he can't tune it. He recommends just replacing the unit with one that hasn't been tampered with. I drove 80 miles and it still reads full. 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 … $30), and MAP sensor …manifold absolute pressure sensor (appr. So you have to go to a mercedes shop and expect to pay between 1200 and 1500 . Just wondering if it can be put into low or high gear an then just driving without trying to use 4 wheel drive 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. 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. 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. Apr 08 2018, 12:07am ... 12:07am. I have a 2009 EX-L 4cyl AT. A bad throttle body sensor offsets the air/fuel mixture and causes numerous problems, including idle surging. You need to take a road trip. I had my throttle body cleaned at a shop, because I thought I would need a new accelerator pedal 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. Do not confuse a slipping transmission with a solenoid problem. You might notice this as a gushing or a noisy air inlet sound coming from the top of the throttle body. K24A4. Cleaning electronic throttle body known as Drive by wire(no cable). The throttle position sensor, TPS for short, is a sensor that is used in an internal combustion engine. Thank you for your help. what is an etc relearn? I thought I may have messed up the throttle valve control (even though I was gentle opening/closing it), and that this might fix it. You said the throttle body was really dirty. It's running rough so I decided to pull the throttle body to clean it. 1. If it's a throttle body issue then I will put this stock New in box KB75 on. The ECM made an adjustment due to the carbon build up on the throttle body. $30). I logged it happening and waiting to hear reasons why. If adaptation does not take, or errors persist, check wiring. My mechanic thinks the adjustment screws were messed with on the throttle body and we can't get it dialed back in. Re: How to Clean your Throttle Body. A throttle position sensor is a sensor used to monitor the position of the throttle in an engine. Can you please give me a vacuum line schematic and a pic of the throttle linkage already hooked up. 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. Engine idles and runs great in park or neutral. Re-calibrated throttle body at cold and hot temperatures. Not good. Did that but the car immediately goes into engine reduced power so I put back the other one. From my reading it should be a 2.2L FI Turbo. Its a beautiful truck an I'm pretty good with working on my own vehicles but never messed with transmissions. In comes the DBW throttle body. Can rev engine to max in park or neutral with no fault codes. $75), the TPS…throttle position sensor (appr. 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 . Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Hanging idle after drive by wire throttle cleaning. 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. Look for signs of leaking or mixed engine fluids. 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. These can be fuel injected engines or carbureted engines. it also may depend on speeds … Replace throttle body if no faults are found. Other things to check include the brake pedals, clutch and gearshift. This is far more advanced and customizable than a 30-year-old ISC motor. 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