V90 L6-2.9L VIN 96 B6304S (1998)
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Remove the draining unit hose from the T-valve hose connector.
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Use a tie strap to lock the cock in the position toward the engine.
NOTE: Check fuel and residual pressures if necessary, then continue with the following.
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Arrange the hose along the plenum chamber cover's rubber trim to the left of the bonnet hinge so that neither the bonnet nor the hose are damaged.
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Carefully close the bonnet.
Measure Fuel Pressure
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Start engine.
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Drive the car and read off fuel pressure while the car is being driven. Fuel pressure should be: 210 - 310 kPa (29.9 - 44.1 psi).
NOTE: At constant engine loads the fuel pressure should be stable. At acceleration or during engine braking the fuel pressure may vary between
the maximum and minimum readings.
Disconnect Fuel Pressure Gauge
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Connect the draining unit hose to the hose nipple on the door mirror (see black arrow in illustration).
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Stan draining unit.