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Small rectangular sensor with transparent housing and electrical connector

Standard Ignition

Standard Ignition TH198T Throttle Position Sensor

SKU CH-1RS7-X0RWP

Measures throttle valve angle to help the engine computer adjust fuel delivery and ignition timing

  • ColorTransparent
  • Engine performance restored by precise throttle position sensing
  • Transparent housing allows quick visual inspection of sensor condition
  • Direct replacement design matches original equipment specifications
  • New condition ensures reliable operation straight from the box
  • Listed by manufacturer in 2024 for current vehicle applications

Standard Ignition TH198T Sensor

The Standard Ignition TH198T throttle position sensor monitors valve angle and sends precise voltage signals to the engine control unit. It fits vehicles that require this exact part number for correct idle and acceleration response. Mechanics and DIY owners use it to restore factory drivability.

Replaces worn or failed original sensor

A faulty unit causes rough idle, hesitation or a check-engine light; swapping in the TH198T restores the signal the ECU expects. The jump is worth it when diagnostics confirm a voltage drop or dead spot at the sensor connector. It does not fix wiring harness faults or ECU failures.

Analog voltage output limits

The sensor communicates through a simple three-wire analog circuit, so resolution is bounded by the ECU's analogue-to-digital converter. Electrical noise on the reference or ground wire can skew readings. It cannot support digital protocols or wideband data streams.

Highlights

  • Engine performance restored by precise throttle position sensing
  • Transparent housing allows quick visual inspection of sensor condition
  • Direct replacement design matches original equipment specifications
  • New condition ensures reliable operation straight from the box
  • Listed by manufacturer in 2024 for current vehicle applications

Specifications

BrandSTANDARD IGNITION
ColorTransparent

Questions about this item

What throttle body connector style does the TH198T sensor mate with?

The TH198T uses a transparent housing and plugs directly into the factory throttle body connector on supported vehicles.

Which step do installers most often skip when fitting the TH198T?

They forget to clear the ECU trouble codes after bolting the TH198T in place, so the check-engine light stays on.

When should the TH198T be inspected or replaced again?

Check the sensor at every major service interval; replace it if idle becomes erratic or a throttle-position code returns.

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