HomeEmission Control > SensorsStandard Ignition TH151 Throttle Position Sensor
Part #: TH151

Standard Ignition TH151 Throttle Position Sensor

⚙️ 96 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$78.95Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Geo, and Lexus, Celica, Supra, Prizm, GS300, LS400, LX450, SC300, Corolla, Land Cruiser, Previa, RAV4, Tercel, Avalon, Camry, Paseo, 4Runner, MR2, and Pickup
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Throttle Position Sensor for Geo, Lexus, and Toyota Vehicles

The Standard Ignition TH151 throttle position sensor is designed to provide accurate throttle position readings for a range of Geo, Lexus, and Toyota models. This sensor helps maintain optimal engine performance and fuel efficiency by delivering precise data to the engine control unit.

Key Features of the Standard Ignition TH151 Throttle Position Sensor

  • Compatible with multiple Geo, Lexus, and Toyota models including 4Runner, Avalon, Camry, Celica, Corolla, GS300, Land Cruiser, LS400, LX450, MR2, Paseo, Pickup, Previa, Prizm, RAV4, SC300, Supra, and Tercel
  • Direct replacement part number TH151 for easy identification and fitment
  • Ensures accurate throttle position feedback to the engine control module
  • Durable construction designed to withstand typical engine bay conditions
  • Helps maintain smooth acceleration and proper fuel delivery

Detailed Description of the TH151 Throttle Position Sensor

The Standard Ignition TH151 throttle position sensor is engineered to meet or exceed OEM specifications for throttle position sensing. It monitors the position of the throttle valve and sends this information to the vehicle’s engine control unit, which adjusts fuel injection and ignition timing accordingly. This sensor is compatible with a wide range of Geo, Lexus, and Toyota vehicles, including popular models such as the Toyota Camry, Lexus LS400, and Geo Prizm. Using the correct throttle position sensor like the TH151 ensures consistent engine performance and helps prevent drivability issues related to throttle miscommunication.

Common Issues Resolved by the TH151 Throttle Position Sensor

  • Erratic or unstable idle speed
  • Poor acceleration response or hesitation
  • Engine stalling or surging during throttle changes
  • Check engine light triggered by throttle position sensor faults
  • Reduced fuel efficiency due to incorrect throttle data

Installation Notes and Tips

  • Ensure the ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts
  • Locate the existing throttle position sensor on the throttle body
  • Remove mounting screws and unplug the electrical connector carefully
  • Install the Standard Ignition TH151 sensor and secure it firmly
  • Reconnect the electrical connector and battery, then test for proper operation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The TH151 throttle position sensor is backed by a limited warranty against defects in material and workmanship, providing confidence in its performance and longevity.

BrandStandard Ignition
Part NumberTH151
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
Gaskets IncludedNo
Screws includedNo
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 96 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1998ToyotaCelicaN/A
1998ToyotaSupra3.0LL6N/A
1997GeoPrizm1.6LL4N/A
1997GeoPrizm1.8LL4N/A
1997LexusGS300N/A
1997LexusLS400N/Aw/o Lever; For Electronic Fuel Injection
1997LexusLX450N/A
1997LexusSC300N/Aw/o Lever
1997ToyotaCelica2.2LL4N/A
1997ToyotaCelica1.8LL4N/A
1997ToyotaCorolla1.6LL4N/A
1997ToyotaCorolla1.8LL4N/A
1997ToyotaLand Cruiser4.5LL6N/A
1997ToyotaPrevia2.4LL4N/A
1997ToyotaRAV4N/ATo 7/97
1997ToyotaSupra3.0LL6N/A
1997ToyotaTercel1.5LL4N/ATo 2/97
1996GeoPrizm1.6LL4N/A
1996GeoPrizm1.8LL4N/A
1996LexusGS300N/A
1996LexusLS400N/AFor Electronic Fuel Injection
1996LexusLX450N/A
1996LexusSC300N/A
1996ToyotaAvalonN/A
1996ToyotaCamry2.2LL4N/A
1996ToyotaCelica1.8LL4N/A
1996ToyotaCelica2.2LL4N/A
1996ToyotaCorolla1.8LL4N/A
1996ToyotaCorolla1.6LL4N/A
1996ToyotaLand Cruiser4.5LL6N/A
1996ToyotaPaseo1.5LL4N/A
1996ToyotaPrevia2.4LL4N/A
1996ToyotaRAV4N/A
1996ToyotaSupra3.0LL6N/A
1996ToyotaTercel1.5LL4N/A
1995GeoPrizm1.8LL4N/A
1995GeoPrizm1.6LL4N/A
1995LexusGS300N/A
1995LexusLS400N/AFor Electronic Fuel Injection
1995LexusSC300N/A
1995Toyota4Runner2.4LL4N/A
1995ToyotaAvalonN/A
1995ToyotaCamry2.2LL4N/A
1995ToyotaCelica1.8LL4N/A
1995ToyotaCelica2.2LL4N/A
1995ToyotaCorolla1.8LL4N/A
1995ToyotaCorolla1.6LL4N/A
1995ToyotaLand Cruiser4.5LL6N/A
1995ToyotaMR22.2LL4N/A
1995ToyotaPaseo1.5LL4N/A
1995ToyotaPickup2.4LL4N/A
1995ToyotaPrevia2.4LL4N/A
1995ToyotaSupra3.0LL6N/A
1995ToyotaTercel1.5LL4N/A
1994GeoPrizm1.6LL4N/A
1994GeoPrizm1.8LL4N/A
1994LexusGS300N/A
1994LexusLS400N/AFor Electronic Fuel Injection
1994LexusSC300N/A
1994ToyotaCamry2.2LL4N/A
1994ToyotaCelica1.8LL4N/A
1994ToyotaCelica2.2LL4N/A
1994ToyotaCorolla1.8LL4N/A
1994ToyotaCorolla1.6LL4N/ACompatible with vehicles lacking traction control.
1994ToyotaLand Cruiser4.5LL6N/A
1994ToyotaMR22.2LL4N/A
1994ToyotaPaseo1.5LL4N/A
1994ToyotaSupra3.0LL6N/A
1993GeoPrizm1.6LL4N/A
1993GeoPrizm1.8LL4N/A
1993LexusGS300N/A
1993LexusLS400N/AFor Electronic Fuel Injection
1993LexusSC300N/A
1993ToyotaCamry2.2LL4N/A
1993ToyotaCelicaCoupe2.2LL4N/A
1993ToyotaCelicaHatchback2.2LL4N/A
1993ToyotaCorolla1.8LL4N/A
1993ToyotaLand Cruiser4.5LL6N/A
1993ToyotaMR22.2LL4N/A
1993ToyotaPaseo1.5LL4N/A
1993ToyotaSupra3.0LL6N/A
1992GeoPrizm1.6LL4N/A
1992LexusLS400N/AFor Electronic Fuel Injection
1992LexusSC300N/A
1992ToyotaCamry2.2LL4N/A
1992ToyotaCelicaCoupe2.2LL4N/A
1992ToyotaCelicaHatchback2.2LL4N/A
1992ToyotaPaseo1.5LL4N/A
1992ToyotaTercel1.5LL4N/A
1991GeoPrizm1.6LL4N/A
1991LexusLS400N/AFor Electronic Fuel Injection
1991ToyotaCorolla1.6LL4N/A
1991ToyotaTercel1.5LL4N/A
1990GeoPrizm1.6LL4N/A
1990LexusLS400N/AFor Electronic Fuel Injection
1990ToyotaCorolla1.6LL4N/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:

141-72514142158-10501911052319850030112-1929920013215S517271-7673754278945206010948531259944EC3101ECC1104SS10354TPS406

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