LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Isuzu >> 1987 >> Impulse Base, Automatic, AW03-72L >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing - Gasoline >> Component Testing >> Vacuum Switching Valve >> Impulse (Turbo Only)
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Impulse (Turbo Only)

Ensure engine is cold and idle and WOT switches are off. Disconnect hoses from opposite side of valve. Blow through hoses connected to valve. Ensure no continuity exists between hoses when engine is cold and valve opens when engine is warmed to 122°F (50°C).