Question about 2001 Toyota Corolla
Posted by Anonymous on
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Posted on Jan 02, 2017
Remove the plastic engine covering the top of the engine by removing the 2 10mm nuts. Pull the cover off and standing in front of the car looking at the engine,the pcv is located in the rear of the valve cover on your left. There is a 3/8 id hoses attached to it. Pull the hose off and unscrew the valve with a 22mm socket..
If you look down at your exhaust manifold you will see a sensor sticking out that looks like a o2 sensor. It is not. Its an air fuel ratio sensor and it works totally different then a o2 sensor.THis is the sensor that helps adjust the air fuel mixture. If you follow the exhaust system back under the car about 1/2 way you will see another sensor in the exhaust . This is the o2 sensor and is used to monitor the condition of the convertor.
If you need one of these sensors you will have a check engine lite on with a AF or o2 code.
Posted on Apr 16, 2009
very nice pictoral of where things are located on the corolla .for some reason the PCV valve does not seem to be listed but everything else is ...nice for general maritainence ..
here is what the valve looks like
the valve is probably on the right side of the valve cover .. it has a thick vacuum hose going to the intake manafold .. it plugs into a rubber hole on the valve cover ...
Posted on Jul 20, 2010
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