HomeEmission Control > SensorsWalker 200-1391 Throttle Position Sensor
Part #: 200-1391

Walker 200-1391 Throttle Position Sensor

Walker Products
7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: Mazda, 626 and Millenia
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Products Throttle Position Sensor 200-1391

The Walker Products Throttle Position Sensor 200-1391 is designed for precise throttle body monitoring in select Mazda vehicles. This sensor ensures accurate throttle position feedback, essential for optimal engine performance and emission control.

  • Constructed with durable plastic material
  • Throttle body mounted for direct measurement
  • Features a single rectangular female connector with three male blade terminals
  • Non-adjustable design for consistent performance
  • Mounting hardware and bracket not included

Product Line Details: Walker Products

Walker Products offers a range of emission control components engineered to meet OEM specifications. The 200-1391 throttle position sensor is part of this line, focusing on reliable sensor technology that supports emission compliance and engine management systems in vehicles like the Mazda 626 and Millenia.

Detailed Product Description

This throttle position sensor is specifically designed to be throttle body mounted, providing direct and accurate readings of the throttle plate position. The sensor’s plastic construction balances durability with resistance to engine bay conditions. It connects via a single rectangular female connector housing three male blade terminals, ensuring secure electrical connections. The non-adjustable sensor maintains factory calibration, eliminating the need for manual tuning. While mounting hardware and brackets are not included, the sensor is compatible with the original mounting points on Mazda 626 and Millenia models.

Common Applications and Issues Addressed

  • Helps resolve erratic idle or stalling caused by faulty throttle position readings
  • Addresses hesitation or poor acceleration linked to sensor malfunction
  • Supports emission control by providing accurate throttle data to the engine control unit
  • Prevents check engine light triggers related to throttle position sensor faults
  • Improves overall drivability and throttle response in compatible Mazda vehicles

Installation Notes and Tips

  • Ensure the sensor is mounted directly on the throttle body as specified
  • Verify connector orientation: rectangular female connector with three male blade terminals
  • Use original mounting points; mounting hardware is not included with this part
  • Handle the sensor carefully to avoid damage to plastic housing and terminals
  • Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for the 200-1391 throttle position sensor to meet OEM requirements. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects. This sensor is manufactured to provide consistent performance and durability in emission control applications for Mazda 626 and Millenia models.

BrandWalker
Part Number200-1391
PositionWalker Products
AdjustableNo
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
MaterialPlastic
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade
Throttle Body MountedYes

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002Mazda6262.5LV6N/AWalker Products
2002MazdaMillenia2.5LV6N/AWalker Products
2001Mazda6262.5LV6N/AWalker Products
2001MazdaMillenia2.5LV6N/AWalker Products
2000Mazda6262.5LV6N/AWalker Products
1999Mazda6262.5LV6N/AWalker Products
1998Mazda6262.5LV6N/AWalker Products

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-0638198500-1140198500-11412-167305S52299999EC3261KLG4-18-911ATH0055TH363TPS4109TPS4112

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.