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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures - V6 & V8 >> Fuel Systems >> Fuel System Pressure Release >> Highlander
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Fuel System Pressure Release: Highlander

  1. Remove driver's side and passenger's side rear seats and cover plate on floor panel for access to electrical connector for fuel pump. Disconnect electrical connector for fuel pump. This is electrical connector for fuel pump and fuel gauge sending unit. Electric fuel pump is located in the fuel tank.
  2. Start engine and allow engine to idle until engine stalls. Turn ignition off. Reinstall electrical connector for fuel pump, cover plate and rear seats. Disconnect negative battery cable.
  3. Place suitable container under fuel line connection. Cover fuel line connection with shop towel. Slowly loosen or disconnect fuel line connection, allowing fuel pressure to be released. Once fuel pressure is released, fuel system components may be serviced. Reinstall electrical connector for fuel pump and negative battery cable.
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