Toyota Corolla (E120): Components
Other materials:
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission cont ...
Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in
high concentrations. If this hc
concentration is high enough, there could be an increase in exhaust emissions
levels. High concentrations
of hc passing through the catalyst also cause to temperature of the catalyst to ...
Removal & installation and disassembly & re
1. Remove bench type rear seat cushion assy (, 72–8)
2. Remove rear floor service hole cover
3. Work for preventing gasoline from spilling out
start the engine.
after the engine has stopped on the its own, turn the ignition
switch to lock.
4. Disconnect fuel tank main tu ...