240 L4-2127cc 2.1L SOHC Turbo B21FT FI (1982)
Overboost Switch: Testing and Inspection
NOTE: While trouble shooting, always check the wiring, fuses and connectors for good condition and routing. Also check ground locations for good
connection.
1.
Connect VOLVO pressure tester/gauge #5230 or equivalent to hose at intake manifold.
Checking Switch In Engine Compartment
Checking Switch Under Dash Above Brake Pedal
2.
Pressure switch is located next to coolant expansion tank or under dash above brake pedal.