Question about 2002 Toyota Camry
I need a little help. I have the DTC look up tool and not sure what is wrong. code PO4OI with monitor icons flashing (c)= catalyst monitor and (EV)= evaporative system monitor. is the catalytic converter bad
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Please allow me to provide assistance to you.
The P-0401 code indicates an issue with the EGR valve. Normally, the most common problem is that the EGR valve sticks slightly, in the open position. To correct this condition, and to eliminate a potential for the engine to start stalling, when the valve finally sticks fully open, is to replace the EGR valve, the EGR transducer, and the EGR vacuum switching valve. This is a very common problem, and easy to rectify.
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Posted on Jan 25, 2009
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Posted on Jan 02, 2017
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