how to reset throttle position sensor gmc

The CKP Variation Learn procedure resets the positional information in the PCM's memory and replaces it with updated information from the new crankshaft sensor. Your browser will redirect to your requested content shortly. [])), +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![])+(+!![])+(!+[]-(!![]))+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(+!![]))/+((!+[]+(!![])+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![])+(!+[]+(!![])-[])+(!+[]+(!![])-[])+(+!!

have replace the unit, but truck is idling high. Of all the sensors on the engine, the throttle position sensor is the only one that communicates driver input to the computer. Locate the accelerator linkage. The line pressure sensor must be screwed into the line pressure test port, not a clutch or accumulator test port. Once set, those positions are used to calculate the actual throttle percentage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he display shows the current calibration status. Pricing: 1 month subscription $19.95 per vehicle 1-year subscription $29.95 per vehicle 4-year subscription $44.95 per vehicle 1-year $29.95 subscription: additional vehicles $19/95 each 5-year $49.95 subscription: additional vehicles $34.95 each Which one should YOU choose? Precise sensor voltage … But when your battery goes dead or you disconnect it to work on your vehicle, the PCM “forgets” the adapative home position. A pressure variation (from least to most) of at least 90 lbs is needed. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. Pull the TV cable smoothly as far as it will easily travel, hold it for a second, then release it smoothly. That saves a lot of time because you don’t have to refer back to the component locator or circuit locations. how do you reset the throttle position sensor.

Install a new sensor and loosely fit the mounting bolts into place, Notice how the bolt holes on the sensor are slotted. This port is situated underneath the dashboard on the driver's side of the vehicle, to the right of the steering column. THROTTLE PLATE IDLE POSITION. Replace the air cleaner and lower the hood. Answered in 8 minutes by: 9/3/2011. Over time, carbon buildup can accumulate around the throttle plate, changing it’s “home” position. These are locked in with thread lock compound, so be careful to keep steady pressure and not strip the bolt heads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his ensures that at idle the throttle is in the fully closed position. Code errors can cause your throttle … If you’re tracking down a wiring issue, is the better choice. Because the TV cable directly affects the line pressure in the transmission, measuring the line pressure tells you what the throttle position is. Scan for codes and if you get throttle body related codes, clear them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

As the throttle moves, a voltage signal ranging from 0.5 volts to 5.0 volts is sent to the engine computer. Leave the battery connected. 4) If the idle speed is still off, drive the vehicle at speeds above 44-mph and operate several acceleration and deceleration cycles. In most cases, the TV cable is on a slip joint or can be unclipped from the throttle linkage. During these run periods you may see a check engine light. A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. Without resyncing, the PCM cannot properly determine the position of the crankshaft. Everything falls onto other sensors, and the computer makes radical program changes to keep the vehicle running. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. When the throttle pedal moves, the throttle sensor also moves in direct response to the driver commands. So you have to refer to the factory legends to learn the identification symbols and then refer back to circuit diagrams to find the splice and ground locations. This will read out as either: depending on whether or not you have successfully calibrated the sensor before. Satisfied Customers: 19,453. IDLE LEARN Perform the following relearn procedure for the on-board computer to adjust to the new idle position on the electronic throttle body.

The TV cable communicates the position of the throttle to the transmission hydraulics and governor assembly. This is how the COMPUSHIFT Mini uses a pressure sensor to determine the throttle position. Tighten the small bolts. In most cases, remove the air cleaner that covers the throttle body. The pressure variation in each transmission is different depending on the make, model, and customization of the transmission. If the buildup occurs gradually, the PCM “learns” the new home position.

To submit your questions or ideas, or to simply learn more about It Still Works, contact us. Vehicles equipped with a throttle position sensors for year models 1988 through 1992 have an adjustable sensor that has to be calibrated (if replaced with a new one).

To correct any accidental changes in throttle body calibration, use these procedures to recalibrate. Without resyncing, the PCM cannot properly determine the position of the crankshaft. The pedal simply provides an electronic signal, telling the throttle body how much acceleration you’re requesting. Category: GM.

Copyright 2020 Leaf Group Ltd. / Leaf Group Media, "Truck and Van Repair Manual," Chilton's: 1991 to 1995. Just opposite the throttle lever, on the opposite side of the throttle body, the throttle position sensor is located.

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