HomeEmission Control > SensorsStandard Ignition TH355 Throttle Position Sensor
Part #: TH355

Standard Ignition TH355 Throttle Position Sensor

2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Focus
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Overview of Standard Ignition TH355 Throttle Position Sensor

The Standard Ignition TH355 throttle position sensor is designed specifically for Ford Focus models, providing accurate throttle position readings to optimize engine performance. This sensor features a female plug-in connector and male blade terminals for reliable electrical connections.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 3
  • Terminal Type: Blade terminals

Detailed Product Description

The TH355 throttle position sensor from Standard Ignition is engineered to deliver precise throttle position data to the engine control unit (ECU) in Ford Focus vehicles. It includes a single female plug-in connector that ensures a secure and straightforward connection. The sensor is equipped with three male blade terminals, which are designed for durability and consistent electrical contact. This configuration supports accurate signal transmission, which is critical for maintaining proper air-fuel mixture and engine responsiveness.

Common Applications and Issues Addressed

  • Helps resolve erratic idle or stalling issues in Ford Focus models
  • Improves throttle response and acceleration consistency
  • Addresses check engine light triggers related to throttle position sensor faults
  • Supports smoother gear shifting in automatic transmissions
  • Prevents hesitation or surging during acceleration

Installation Notes and Tips

  • Ensure the ignition is off before disconnecting the old sensor
  • Verify connector type and terminal orientation to avoid damage
  • Use appropriate tools to remove and install the sensor without stressing terminals
  • Check for secure connection of the female plug-in connector to prevent signal loss
  • After installation, clear any diagnostic trouble codes and test drive to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The TH355 throttle position sensor undergoes rigorous quality control to ensure reliable performance in Ford Focus vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.

BrandStandard Ignition
Part NumberTH355
Connector GenderFemale
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordFocus2.0LL4N/A
2003FordFocus2.0LL4N/A

* 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:

191647062-29921200-14402M5Z9B989AA5S538371-790175450DY970EC3311ECC1199SS11786TPS277

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