2013 F150 ecoboost. The amount of buildup in the back end of the throttle body was â¦ Do not perform the relearn if the service engine soon light is on and codes related to the mass airflow sensor, manifold absolute pressure, or incorrect idle speed are found. Disconnect the negative battery terminal for 30 seconds to reset the onboard computer. Mercedes Throttle Body. I just replaced my throttle body and tps about a week ago. I suggest you google 05 ford focus throttle positioning sensor. Cure; turn off engine, key to position 2, fully depress and release throttle pedal 5 times, turn off key, start engine. Try disconnecting the battery for about 30 seconds. All of the information on Step 1 will follow the Step 1 heading. Learn bad throttle position sensor symptoms now so that you can take care of this engine problem as soon as it arises. Reset throttle cable (left side) to .5 mm free play; Perform the "Throttle Body Synch for Dummies". If not, the problem will be in the throttle body. Top 6 Bad Throttle Position Sensor Symptoms. It is attached to the gas pedal assembly. In ost cases, the issue is caused by either a defective pedal position sensor or a bad throttle position sensor. There is also one as part of the throttle body, it would depend on the exact code Hope this helps and feel free to ask if you have any other questions. the hose you removed was connected to the air throttle. A throttle position sensor consists of mechanical parts which may become worn and require replacement. Below are common symptoms of a faulty TPS. Hi there. After replacing the throttle body to your engine, if the engine light was on and has a pending code, the code will go away. In most of the cases, all of these symptoms will show together making it easier to detect the faulty component. Danny- 86k miles. If everything is in order, we can begin. The electrical harness disconnects at location on picture #1. If the code was a hard permanent code, then the ECM (computer) would need a hard reset. I got one for you I have a 2007 Kia Sorento codes p1295 and p161b and p2106 I replaced the throttle body no start and try to put the old one back on to get it to start no start on that one as well trying to find out why it won't start it was starting with the old one but now it won't start at all I was trying to see how to reset the throttle body let me know Com. Step 1. If youâve replaced your Ford electronic throttle body or youâve disconnected the battery, you must do a Ford throttle body relearn to establish a new baseline idle. There is no way to stop the carbon buildup. to locate the sensor, remove the hose that comes from the air filter housing to the engine. This sensor keeps you air intake throttle at the proper position when the engine is cold and changes position when the engine has warmed up. While the throttle position sensor makes sure the engine gets the correct amount of air, it is common for it to malfunction. How to do a Ford throttle body relearn procedure. A faulty throttle position sensor sends incorrect information to the ECM resulting in various issues in the engine, its performance, and fuel economy. Starting in early 2000âs, many car makers including Ford started installing fly by wire electronic throttle bodies. In the past few weeks, I've now had to do the throttle position sensor reset procedure three or four times. Symptom; start car, idles at 1250-1500 rpm, fluctuating slightly. This will cause the computer to reset the idle speed and may solve your problem. Turn off the engine and restarting it usually fix the problem. 2005 dodge ram hemi QC performance-Pacesetter LT headers, cutouts, flowmasters 50, x-pipe, SCT tuned by HEMIFEVER, comp 268, 6.1 pushrods and springs, Dyno Jet Wideband, Rancho R55000,180* stat, BFI intake,Taylor shortie blue plug wires, Fastman ported throttle body, Summit 25% UD pulley visual- leather, Infinity system, 2 10" infinity subs, alpine amp, 20% tint front two limo tint on â¦ Each of the 12 steps above is explained below, with a detailed explanation of how to find and adjust the correct part. I have attached a picture for position sensor. It is a good idea to clean the throttle body (throttle blade and bore) with carburetor cleaner spray occasionally. Thanks for using 2carPros. The throttle body is where the throttle valve is mounted and is what control the amount of air that enters the combustion chamber.