Toyota prius p0420. I recently got p420 message an planning to replace it so i wanted to take a look be f. P0420 2008 toyota prius meaning the engine control module monitors the switching frequency ratio of heated oxygen sensors 1 front o2 sensor and heated oxygen sensors 2 rear o2 sensora three way catalyst converter manifold with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. The way that toyota prius ensures that it is staying economically friendly is to monitor the catalyst and set a trouble code should it fail.
Several things can cause a p0420 code in a toyota. Repara segun lo amerite. However if the p0420 code is the only trouble code or if the other codes are all p042x codes the likelihood of a failed catalytic converter is much higher.
This page is meant to help you troubleshoot the toyota prius p0420 trouble code. Do not overlook other codes that are paired along with p0420. Para darle la solucion al codigo de diagnostico p0420 toyota podrias revisar lo siguiente.
This is the view of toyota prius 2005 base from the bottom of the car. P0420 2008 toyota prius description the engine control module monitors the switching frequency ratio of heated oxygen sensors 1 front o2 sensor and heated oxygen sensors 2 rear o2 sensora three way catalyst converter manifold with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. Toyota codes p0300 p0301 p0302 p0303 p0304 p0305 p0306 p0307 p0308 p0174 and p0171 can give false data readings that create conditions which trigger code p0420.
Revisa si existen fugas de escape en el multiple en las tuberias o en el convertidor catalitico twc. Con una herramienta de exploracion verifica el funcionamiento de los sensores de oxigeno o2tomando en cuenta que el sensor delantero por lo general tiene una. One of the most common trouble codes with all toyota vehicles is the p0420.
It covers toyota prius p0420 meaning symptoms causes and possible solutions. In the prius obdii p0420 is often caused by a bad oxygen sensor but there can be other causes as well.
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