Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuel Pressure Sensor: Installation
- Replace the injector seal, backup ring and O-ring with a new part. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>FUEL INJECTOR>REPLACEMENT .
- Set the spacer, holder, rubber cover and snap ring to the fuel injector, and install it to the fuel injector pipe RH.CAUTION: Always use a new spacer, holder, rubber cover and snap ring.
- Set the fuel injector on the fuel injector pipe RH.CAUTION:
- Install the fuel injector pipe RH and fuel injector as a single unit to the cylinder head.
- Tighten the fuel injector pipe RH.
Tightening torque:
19 N.m (1.9 kgf-m, 14.0 ft-lb)
- Temporarily tighten the fuel pressure sensor to the fuel injector pipe RH until it cannot be turned by hand.CAUTION: Always use a new fuel pressure sensor.
- Tighten the fuel pressure sensor.CAUTION:
- Be careful not to spill oil on the screw sections of the fuel pressure sensor and the fuel injector pipe RH.
- Be careful not to let foreign matter enter into the fuel pressure sensor during installation.
- Do not recheck the tightening torque after tightening the fuel pressure sensor with specified torque.
Tightening torque:
46 N.m (4.7 kgf-m, 33.9 ft-lb)
- Install the high-pressure fuel delivery pipe assembly. Refer to FUEL INJECTION (FUEL SYSTEMS) (W/O STI)>HIGH PRESSURE FUEL DELIVERY PIPE>INSTALLATION>HIGH-PRESSURE FUEL DELIVERY PIPE ASSY .
- Connect the ground terminal to battery sensor. Refer to NOTE>NOTE>BATTERY .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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