LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Plymouth >> 1985 >> Colt Premier, 1.6 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> EGR Function Testing >> EGR Valve >> Turbo Engine
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Turbo Engine

Check vacuum lines for correct routing. Disconnect vacuum hose at EGR valve. Warm engine to operating temperature. Connect a hand-held vacuum pump to EGR valve. With engine idling, slowly apply 2-3 in. Hg. Engine RPM should drop when vacuum is applied.