IS 250 AWD V6-2.5L (4GR-FSE) (2006)
DTC P0171/P0172 (System Too Lean) may be set.
D. Crank the engine again and then check that the engine does NOT start.
E. Loosen the fuel tank cap to discharge the pressure in the fuel tank completely.
F. Reconnect the fuel pump connector.
G. Disconnect the cable from the negative (-) battery terminal.
7. Remove the No.1 inlet air cleaner.
Remove the bolt clip and then the inlet air cleaner.
8. Disconnect the No.2 ventilation hose from the cylinder head.
9. Remove the air cleaner cap with air cleaner hose.
A. Disconnect the MAF connector.
B. Disconnect the clamp from the air cleaner.