General Precautions
FUEL SYSTEM
General Precaution
WARNING:
When replacing fuel line parts, be sure to observe the following.
- Put a "CAUTION: FLAMMABLE" sign in the work area.
- Be sure to work in a well ventilated area and have a CO2 fire extinguisher.
- Do not smoke while working on the fuel system. Keep open flames and sparks away from the work area.
- Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in safe area.
CAUTION:
- Use gasoline required by the regulations for octane number. Precaution For Fuel (Unleaded Regular Gasoline Recommended) Except SE-R Spec-V or Precaution For Fuel (Unleaded Premium Gasoline Required) SE-R Spec-V Only Precaution for Multiport Fuel Injection System or Engine Control System Precaution for Hoses, "Precaution for Fuel (Unleaded Premium Gasoline Required) QR25DE SE-R Spec-V Only".
- Before removing fuel line parts, perform the following procedures:
- Release fuel pressure from the fuel lines. Description (For California) MR20DE (California), QR25DE.
- Disconnect the battery ground cable.
- Always replace O-rings and clamps with new ones.
- Do not kink or twist tubes when they are being installed.
- Perform work on level surface.
- Do not tighten hose clamps excessively to avoid damaging hoses.
- After connecting fuel tube quick connectors, make sure quick connectors are secure.
Ensure that connector and resin tube do not contact any adjacent parts.
- After installing tubes, make sure there is no fuel leakage at connections in the following steps.
- Apply fuel pressure to fuel lines by turning ignition switch ON (without starting the engine). Then check for fuel leaks at the fuel tube connections.
- Start engine and rev it up and check for fuel leaks at connections.
- Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the
MIL may come on.
- For servicing "Evaporative Emission System" parts, Description (For California) MR20DE (California), Description (Except For California) MR20DE (except California), or QR25DE.
- For servicing "On Board Refueling Vapor Recovery (ORVR)" parts, refer to On Board Refueling Vapor Recovery (ORVR) For California MR20DE (California), On Board Refueling Vapor Recovery (ORVR) Except For California MR20DE (except California), or QR25DE.