OEM Toyota P/N: 89452-12040
Throttle position sensors are switches on the throttle body that keep the engine control computer informed about the throttle opening.
The TPS is a variable resistor that changes resistance as the throttle opens wider. The computer needs this information to change the air/fuel mixture.
This adjustment procedure needs precision as this is a very critical adjustment.
If you have an 89 model year vehicle, they came with either round or square style plugs, this being the Square version.
Contact our Tech Support Line for further information at 928-855-6341. Check out www.LCEngineering.com for New Products, Tech Articles, Specials & Monthly Newsletters!