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Adjust throttle sensor

How to adjust throttle position sensor

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Not adjustable new sensor required

Posted on Mar 30, 2014

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1 Answer

Dtc p0121 throttle position (tp) sensor performance


code p 0121 has to answers
1--refers to throttle position (TP) sensor/accelerator pedal position sensor A--range /performance problem====causes --accelerator cable adjustment--TP/APP sensor ---wiring
The second reference is the same and the causes are--accelerator cable adjustment--TP/APP switch
(APP is accelerator pedal position)

Aug 30, 2016 | Cars & Trucks

1 Answer

How do I adjust the throttle position sensor on my 93 cadillac seville sls 4.9l engine?


4.5 And 4.9L Engines
  1. Remove the air cleaner.
  2. Remove the TP sensor connector.
  3. Unscrew the 2 TP sensor attaching screws and retainers, and remove the TP sensor.

To install:
  1. With the throttle valve in the normal closed idle position, install the TP sensor on the throttle body assembly.
  2. Install 2 TP sensor attaching screws with retainers. Do not tighten the screw until the TP sensor is adjusted.
  3. Install the TP Sensor connector. Adjust the TP Sensor and perform the idle learn procedure.
  4. To Perform the TP sensor adjustment.
    1. Disable the generator by grounding the green harness connector plug adjacent to the generator.
    2. Start the engine, enter diagnostics, and select PCM override PS103 'ISC Actuator'
    3. Press the 'COOLER' button on the CCP to retract the ISC Actuator. This action will disengage the A/C compressor and command the EGR 'OFF'. The Climate control center display will change from '50 to 00'. The ISC Actuator will slowly retract (about 20 seconds) to a fully retracted position. Verify that the throttle lever is resting on the minimum idle speed screw. With the ISC Actuator plunger fully retracted, disconnect the ISC harness.
    4. Select the PCM data PD01, 'TP Sensor', while still in PCM override PS03. Note the throttle position (in degrees) displayed on PCM parameter PD01.
    5. (-0.5° TO + 0.5°)

      No TP sensor adjustment required. Reattach the ISC Actuator harness and disconnect the grounding wire at the generator.
    6. TP Sensor (-10.0° TO -0.6°) or TP Sensor (+ 0.6° TO + 90.0°) TP Sensor adjustment required.

  5. With the engine 'OFF' and the ignition 'ON', reenter diagnostics and select PCM override PS03 'ISC Actuator'. Press the 'COOLER' button to retract the ISC Actuator the minimum air setting.
    1. Loosen the TP sensor screws just enough to permit the sensor to be rotated. Open the throttle slightly and allow the throttle lever to snap shut against the minimum air screw. Adjust the TP sensor so the parameter display is 0°. Tighten the TP sensor mounting screws with the sensor in the adjusted position. Recheck the parameter to be sure the TP sensor parameter is (-0.5° to + 0.5).
    2. Install the air cleaner.

Dec 25, 2015 | Cadillac Cars & Trucks

1 Answer

What does code "u1120" and "u0121" mean?


P0121
Throttle Position Sensor/Switch A Circuit Range/
Performance Problem. P1120 Throttle position sensor out of range
P1121. clean throttle body out good, this may fix problem. if not replace or adjust throttle position sensor. Good-Day!

May 17, 2014 | 2005 Dodge Dakota Quad

1 Answer

2001 MDX will not idle


Error Code: P0221
Description:
Throttle Position (TP) Switch/Sensor B
Accelerator Pedal Position (APP) Switch/Sensor B Range/Performance Problem
Possible Cause:
- Accelerator cable adjustment.
- Throttle position (TP) switch/sensor .
- Accelerator pedal position (APP) switch/sensor.
- Check valve clearance, adjust if required.

Mar 03, 2014 | 2001 Acura MDX

1 Answer

How do I change the Throttle Position Sensor


Some throttle position sensors are adjustable. Follow manufacturer's instructions.
  • On older engines, correct adjustment is crucial to proper system operation.
  • On newer engines, this is not as important because the computer uses whatever reading it takes at idle as base voltage (adaptive learn strategy).
Incorrect TP sensor adjustment may cause:
  • Inaccurate idle speed,
  • Engine stalling, and
  • Acceleration stumbles.
Follow these steps to adjust a typical TP sensor:
  • Backprobe the TP sensor signal wire and connect a voltmeter from this wire to ground.
  • Turn on the ignition switch and observe the voltmeter reading with the throttle in the idle position.
  • If the TP sensor does not provide the specified voltage, loosen the TP sensor mounting bolts and rotate the sensor housing until the specified voltage is indicated on the voltmeter.
f32-29.gif A TP Sensor with elongated slots for sensor adjustments. Courtesy of General Motors Corporation - Chevrolet Motor Division.
  • Hold the sensor in this position and tighten the mounting bolts to the specified torque.
Most throttle position sensors are made so that their adjustments are tamperproof. They have screws that are either soldered or staked.
To remove the switch, these might need to be drilled or filed off. After the new switch is installed and adjusted, the new mounting screws are restaked.

May 24, 2012 | 1991 Buick Regal

1 Answer

Where is located tps in altima 97


1997 Nissan/Datsun Altima 2.4L SFI DOHC 4cyl: the Throttle Position (TP) sensor is a potentiometer. It is mounted on the side of the throttle body and is connected to the throttle plate shaft. The sensor monitors throttle plate movement and position, and transmits an appropriate electrical signal to the ECM. These signals are used by the ECM to adjust the air/fuel mixture and spark timing according to engine load. The TP sensor is adjustable on some models.
Automatic transaxle/transmission TP sensors contain position switches. These switches provide a signal to the ECM when the engine is at idle and wide open throttle.

Hope helps (remmeber to rate and comment this).

Sep 27, 2010 | 1997 Nissan.5 Altima

1 Answer

Tps location


The Throttle Position sensor (TPS) is a potentiometer that provides a voltage signal to the PCM that is directly proportional to the throttle plate position. The sensor is mounted on the side of the throttle body and is connected to the throttle plate shaft. The TPS monitors throttle plate movement and position, and transmits an appropriate electrical signal to the PCM. These signals are used by the PCM to adjust the air/fuel mixture, spark timing and EGR operation according to engine load at idle, part throttle, or full throttle. The TPS is not adjustable.

82169ae.jpg

Fig. TPS location on the throttle body-typical


Hope thios helps (remember rated this).


Aug 03, 2010 | 1999 Dodge Ram 2500 4WD

1 Answer

Jeep cherokee grand p 121 2004


code refers to throttle cable adjustment, throttle position sensor, throttle position switch,throttle pedal position sensor, throttle position position switch, this is the areas that you need to check out

May 29, 2010 | 2004 Jeep Grand Cherokee

1 Answer

High Idle


The Throttle screw is located on the throttle (obiously) its in a clinderical shaped channel located on the throttle just oposite or obliquely opposite the the throttle body position sensor. In some mazda vehicles (IN TRINIDAD) you need to loosen the throttle body position sensor and slightle adjust it eighter to the right or left to tuen the idle (For electronic controlled axcelleration) in some cases it can be adjusted via an ODB2 diagnostic tool (only in some vehicles that has electronic controlled axcelleration)

You can tell what type your vehicle is by looking for an axcelleration cable connected to the throttle body. If the throttle body has a cable it isnt electronically controlled and has an idling screw. If there is no cable but wires to the position sensor its electronic.

Oct 31, 2008 | 1993 Mazda MX-3

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