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Chevrolet 91174211 Sensor,Throttle Position

1997-1998 Chevrolet Tracker

Customer Questions & Expert Answers (2)
GM 91174211 Sensor,Throttle Position
  • Part Description
    SENSOR
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number91174211
    Part DescriptionSENSOR
    Item Dimensions3.3 x 2.2 x 2.0 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU91174211
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1997-1998 Chevrolet Tracker4 Cyl 1.6L4 DOOR, CONVERTIBLE
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 91174211 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What is the location and function of the Throttle Position (TP) sensor? Posted by Customer
    A:
    The Throttle Position (TP) sensor is located on the throttle body and monitors the throttle valve opening angle. It is a potentiometer that receives a 5-volt reference voltage from the PCM. As the throttle valve opens, a brush moves across a printed resistor board, varying the output voltage. This signal is sent to the PCM, which uses it to determine the throttle valve angle. The TP sensor signal is used by the PCM to control various components such as the fuel injector pulse width, Idle Air Control valve, ignition timing, EVAP canister purge valve, and EGR valve. If there is a problem with the TP sensor circuit, it will set a trouble code and the PCM will resort to a default value. To check and adjust the TP sensor, disconnect the battery cable and unplug the electrical connector. Check the resistance between specified terminals when the throttle is fully open and closed. If the readings are incorrect, adjust or replace the sensor. For models with throttle body injection, apply vacuum to move the throttle valve to the idle position. Slightly loosen the TP sensor mounting screws and refer to the specified feeler gauge thickness to adjust the sensor. For models with sequential multiport fuel injection, the adjustment process is slightly different. Connect an ohmmeter between specified terminals and adjust the sensor accordingly. Verify continuity between terminals with different feeler gauge thicknesses. Once adjusted, tighten the screws to the specified torque. For 1999 and later models, the resistance between specified terminals should be checked and the sensor replaced if readings are incorrect. To replace the sensor, disconnect the battery cable and unplug the electrical connector. Remove the sensor screws and detach the sensor from the throttle body. When installing the new sensor, ensure that the lugs on the throttle body lever engage their corresponding slots in the sensor pickup lever. Adjust the sensor if necessary and tighten the mounting screws. Plug in the electrical connector and reconnect the battery cable.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 91174211, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 91174211 Sensor,Throttle Position. It is sometimes referred to as Chevrolet Throttle Position Sensor. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Tracker models.

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