LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1983 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> Speed Sensor-To-VSV
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Speed Sensor-To-VSV

  1. Using 3-way connector, connect the vacuum gauge to the hose between the VSV and canister. Set the gauge at the driver's seat and warm up the engine. Check that the vacuum gauge indicates zero at low speeds (below 7 MPH).
  2. Check that vacuum gauge indicates high manifold vacuum at middle and high driving speeds (above 16 MPH). If problem is found, inspect speed sensor and VSV.
scientia non olet · About LEMON Manuals