LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1990 >> Pickup 1 Ton, MUA5C >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - CARBURETED >> Ignition System >> Timing Control Systems >> Vacuum Advance
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Vacuum Advance

Apply vacuum to diaphragm. Ensure vacuum advance moves and holds vacuum. If no movement occurs, replace vacuum advance. Ensure breaker plate is not binding.