9000 L4-1985cc 2.0L DOHC Turbo EFI (1987)
Overboost Switch: Testing and Inspection
Checking the Pressure Switch (LH 2.2)
Tools:
- Pressure testing equipment 83 93 514
- Pressure/vacuum pump 30 14 883
1 Disconnect the pressure switch hose at the intake manifold and plug the connection.
2 Connect pressure test equipment 83 93 514 to the pressure switch hose and connect pressure vacuum pump 30 14 883 to the pressure gauge
T-piece.
3 Start the engine and pump up the pressure. It the engine stops before or after:
1.10 ± 0.05 bar (cars without catalytic converter)
0.95 ± 0.03 bar (cars with catalytic converter)
change the pressure switch.