LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 1990 >> 740 Base, 4D Wagon, Automatic, AW70 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Fast Idle
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.

Fast Idle

With coolant temperature sensor disconnected, engine speed should increase to 1600-2500 RPM. With sensor connected, RPM should return to normal.