1. Remove the two 12mm bolts and nuts to access the TPS. That means it can't calculate the fuel and air ratio. If heavy sludge buildup is an issue, the throttle body must be removed, cleaned in a solvent and allowed to dry. 06-28-2006, 11:00 PM. Step 3 - Remove the Nuts Ignition timing must constant to allow the engine to operate consistently. Read on to know symptoms telling your TPS is in trouble and how to fix it! First, disconnect the electric connector from the sensor. This problem caused by throttle position sensors because of the wrong amount of air and fuel igniting because of the spark plugs. The TPS is used to monitor the position of the throttle butterfly valve. Increase or decrease of air fed into the intake; the erratic amount of fuel injected, and a chance for more heat than normal inside the engine. Cleaning the throttle body itself can be done using carburetor fluid and a clean cloth for the removal of light sludge. Since you have had two codes so soon after the original sensor was replaced I'm inclined to think you actually are experiencing throttle plate closing issues. Clicking this will make more experts see the question and we will remind you when it gets answered. Polaris Snowmobile 2006 HO TOURING 700 - S06PT7HS Crankcase/Throttle Body Mounting. It’s best to get the advice of YourMechanic as far as which one is best suited for your car. One of the problems with the throttle position sensor is that it controls and signals the cars CPU when running or idling. The best way to preserve the sensor is to remove and replace it after cleaning is finished. On some models, you only need to remove a couple of screws to get to the sensor. Part: Sensor, Throttle Position. TPS is located at the bottom of the throttle body, Remove the throttle sensor position out of the chamber, Use an anti-slip solution when needed to replace TPS. Ignition timing must constant to allow the engine to operate consistently, and any off timing can affect it severely. You can also find this procedure in your Ram's service manual. EEC controlled idle rpm can be variable depending on engine temperature, AC running, alternator load, etc… Codes could be 58, 38, 19, 17, 13, 12 for the IAC. On some models, you only need to remove a couple of screws to get to the sensor. If there is more than one indicator firing off, or just one at a time. Mtr1 and Mtr2 connect to the bottom left and bottom right wires going to the stepper motor, if you were holding the connector with the clip at the top. The instructions point out an easy to follow and do the process, but that depends if the car owner is up to it! It causes mixed reading, leading to the car ECU problems that result in stalling the engine. Michelin and Bridgestone, whose tires are better? You must make absolutely sure that you can disable the motor electrically by the use of switches actuated by the braking levers that disable the motors electrical drive circuitry, and be able to stop the bike safely mechanically before any test rides after working on the throttle. type have three connection wires. 2. Car ECU problems can result in sudden stalling. This sensor transforms the throttle valve position into output voltage to the ECU, which then tells the injection circuit to supply the correct amount of fuel to the engine. Warranty. If your sensor just needs repairs, it could be the result of faulty or loose wiring. If you left that jumper in place on older cars, you would be able to start the engine in gear, which is a safety problem, but it would not affect operation of the engine or transmission. Troubleshooting the sensor is the only way to determine whether the sensor or part is actually bad. Now you want to take the end of each line you removed and place the metal bypass adapter into each line (see Figure 13). The throttle position sensor can fail for a number of reasons and, as a result, affect the performance and the fuel consumption of the car, it can drop significantly. Does anyone know if you can bypass the throttle position sensor on a 87 4 cylander. $3.00 coupon applied at checkout Save $3.00 with coupon. Fortunately; this part of the car is accessible, and some DIYer’s would opt to get some elbow grease and do something about it. These can be fuel injected engines or carbureted engines. These vapors commonly pass through the throttle body when reintroduced into the combustion process and can deposit oily residue on the throttle plate facilitating the accumulation of sludge. A throttle position sensor is a sensor used to monitor the position of the throttle in an engine. For example, in many applications a leaking vacuum hose or a bad throttle position sensor (TPS) may cause a trouble code that points to a faulty MAP sensor. (WOT). 4.1 out of 5 stars 109. Place a rubber cap on the metal line entering the throttle body (see Figure 12). However, most drivers are ignoring the necessity of it to the fuel system. Comment; Flag; More. Dec 05, 2010 | 1994 GMC Sierra. #Step 3: Use an anti-slip solution to enable easy removal from the throttle chamber, or when needed to replace it. Black, Blue, and Yellow labeled holes connect to the corresponding colored wires going to the secondary throttle position sensor. If you have an older model, you can cut slots in the screw heads with a Dremel or hacksaw, then use a flathead screwdriver to remove them. 1. This is actually in a service bulletin about TPS problems as a maintenance item to done at about 25k miles. 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