Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / Repair instruction / Precaution / Removal and installation of fuel control parts
Toyota Corolla (E120): Removal and installation of fuel control parts
- Place for removing and installing of fuel system parts
- work in a place with good air ventilation and without anything flammable such as welder, grinder, drill, electric motor or stove in the surroundings.
- Never work in a place such as a pit or nearby a pit, as there is a possibility that vaporized fuel is filled in those places.
- Removing and installing of fuel system parts
- prepare a fire extinguisher before starting the operation.
- For prevention of static electricity, install a ground on the fuel changer, vehicle and fuel tank, and do not spray much water so as to prevent slipping.
- Never use any electric equipment like an electric motor or a working light, as they may cause sparks or high temperature.
- Never use an iron hammer, as it may cause sparks.
- Dispose of the shop rag separately from any fuel deposit.
Other materials:
Circuit description
The fuel trim is related to the feedback compensation value, not to the basic
injection time. The fuel trim includes
the short–term fuel trim and the long–term fuel trim.
The short–term fuel trim is the short–term fuel compensation used to maintain
the air–fuel ratio at stoichiomet ...
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
Read freeze frame data using the hand-held tester or the obd ii scan
tool. Freeze frame data records
the engine conditions when a malf ...
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...