Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Fuel. Lexus Gs430, Gs300. Uzs190 Grs190
Fuel Pressure Pulsation Damper -- Removal |
| 1. DISCHARGE FUEL SYSTEM PRESSURE |
- CAUTION:
- Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.
- Even after discharging the fuel pressure, place a shop rag over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.
Disconnect the cable from the negative (-) battery terminal.
- NOTICE:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
Disconnect the fuel pump connector.
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Connect the cable to the negative (-) battery terminal.
Start the engine. After the engine has stopped on its own, turn the engine switch off.
- HINT:
- DTC P0171/P0172 (system too lean) may be set.
Crank the engine again, then check that the engine does not start.
Loosen the fuel tank cap, then discharge the pressure in the fuel tank completely.
Connect the fuel pump connector.
| 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL |
- CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
| 3. REMOVE V-BANK COVER |
 |
Install the V-bank cover with the 2 nuts.
- Torque:
- 5.0 N*m{51 kgf*cm, 44 in.*lbf}
| 4. REMOVE FUEL PRESSURE PULSATION DAMPER |
 |
Remove the fuel pulsation damper and 2 gaskets, and disconnect the fuel main tube from the fuel pump.