Silhouette V6-191 3.1L (1990)
Fuel Pressure: Specifications
FUEL PRESSURE AT IDLE SHOULD BE 9-13 PSI.
All models with TBI, loosen fuel filler cap to relieve vapor pressure in fuel tank. Wrap shop towel around engine compartment quick connect fitting,
then disconnect fitting. Connect a suitable fuel pressure gauge between connector fittings. Start engine & note fuel pressure reading.