Remove the heater control valve and replace it.
In the 2001 Toyota Corolla the evap purge solenoid valve is located near the underside of the air cleaner. This is an emissions control device.
The PCV valve on a 1998 Toyota Corolla is located on top of the engine, on the passenger side. It connects the intake manifold with the valve cover.
The PCV valve on a 1987 Toyota Corolla FX16 is located behind the alternator. It is under the intake manifold.
what isa the valve adjustment of a 4A engine toyota corolla
yes
It does not have one
The 2005 Toyota Corolla has an inline 4 engine.
according to the emissions label it does not have an EGR valve.
clean or replace your idle air control valve.
16 valve and double overhead cams
Trouble code P1656 means:Oil control valve OCV circuit malfunction bank 1