High-quality OEM-style throttle position sensor for 1986–1987 Turbo Buick engines. Mounts to the throttle body and reads throttle blade angle to send accurate voltage signal to the ECM. Critical for proper fueling, timing, and drivability — especially on performance builds.
Specifications: • Application: Throttle Position Sensor (TPS) • Fitment: 1986–1987 Buick Grand National / GNX / Turbo T / T-Type • Connector Type: 3-pin weather-sealed plug • Function: Reports throttle position voltage to ECM • Material: Molded plastic body with metal sweep arm • Mounting: Two-bolt adjustable slot design • Compatibility: Stock ECM, Chip upgrades, and aftermarket ECUs
Condition Notes: • used - verified working tps sensor • Stored long-term — light dust only • Terminals clean with no corrosion • Sweep arm moves smoothly without binding • Adjustment tabs intact
Why You Want It: A failing or worn TPS can cause idle surge, tip-in stumble, poor throttle response, and inaccurate WOT voltage — all performance killers. Replacing it is inexpensive insurance for any Turbo Buick, stock or built.
⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying compatibility before purchase.
