LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1984 >> B2000 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Deceleration Control System >> System Testing >> Throttle Positioner System >> Throttle Positioner Servo Diaphragm
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Positioner Servo Diaphragm

  1. Connect tachometer to engine. Bring engine to normal operating temperature. Stop engine. Detach 3-way solenoid-to-servo diaphragm vacuum hose from servo diaphragm.
  2. Connect intake manifold vacuum hose or hand operated vacuum pump, directly to servo diaphragm. Start engine, run at 2000 RPM, then release throttle. The engine speed should be within 1000-1200 RPM.
scientia non olet · About LEMON Manuals