P1148 closed loop control
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 is displayed with DTC for A/F sensor 1.
When the DTC is detected, perform the trouble diagnosis of DTC corresponding to
A/F sensor 1.
DTC No.
Trouble diagnosis
(Trouble diagnosis content)
DTC detecting condition
Possible cause ...
Fuel level sensor unit, fuel filter and fuel pump assembly
Exploded View
1. Lock ring 2. Fuel level sensor unit, fuel filter and
fuel pump assembly
3. O-ring
4. Fuel tank
Removal and Installation
WARNING:
Be sure to read "General Precautions" before working on the fuel system. Refer
to FL, "General Precautions".
REMOVAL
Release t ...