Air Intake Chamber
Blow-off Valve Removal
Fuel Tank (see Fuel Tank Removal)
Loosen the clamp screw [A] and disconnect the blow-off
valve hose [B].
Slide the clamp and disconnect the purge valve hose [C].
Blow-off Valve Bolts [D]
Blow-off Valve [E]
Blow-off Valve Installation
Replace the gasket with a new one.
Apply a non-permanent locking agent to the blow-off valve
Install the blow-off valve and tighten its bolts.
Torque - Blow-off Valve Bolts: 25 N·m (2.5 kgf·m, 18 ft·lb)
Connect the blow-off valve hose and purge valve hose
(see Cable, Wire, and Hose Routing section in the Ap-
Torque - Blow-off Valve Hose Clamp Screw: 3.0 N·m (0.31
kgf·m, 27 in·lb)
Install the removed parts (see appropriate chapters).
Blow-off Valve Inspection
Blow-off Valve (see Blow-off Valve Removal)
Connect a commercially available vacuum gauge [A] and
syringe [B] or vacuum pump to the blow-off valve [C] as
Gradually raise the vacuum applied to the blow-off valve,
and check the valve operation.
Valve Opening Wide
About 0.5 mm (0.02 in.)
About 7.5 mm (0.30 in.)
If the blow-off valve does not operate, replace it with a
Purge Valve (for Supercharger) Removal/Instal-
Refer to the Purge Valve (for Supercharger) Removal/In-
stallation in the Self-Diagnosis System chapter.
Purge Valve (for Supercharger) Inspection
Refer to the Purge Valve (for Supercharger) Inspection in
the Self-Diagnosis System chapter.
62.8 ±4 kPa (471 mmHg)
107.9 ±7.3 kPa (809 mmHg)
FUEL SYSTEM (DFI) 3-59