...code P0420 I would definitely go with the Bosch brand and there are only two oxygen sensors. One before and one after the catalytic converter. As far as how hard they are to change out I ...
...P0420 code is Catalyst System Efficiency Below Threshold (Bank 1) error. A code P0420 may mean that one or more of the following has happened: Leaded fuel was used where unleaded was called forAn ...
...code is PO420. how do i fix this problem? i don't think the cat is bad. the light came on after a 12 hr road trip. cat might be burnt it might be a bad sensor or a broken wire in the o2 sensor If you ...
...P0420=Catalyst System Efficiency Below Threshold Bank 1, The air filter is not the cause here,this is just a code saying your converter is not doing its best, Also make sure that your gas cap is ...
...code than P0420. Unfortunately, the only way to verify 100% is to read the sensor output with a scan tool capable of live-data playback. If you have access to one, you want to verify activity on the ...
...P0420 code Problem? My Check engine light is on, My Traction Control light is now showing off? and my VSC(Vehicle Stability Control) Light is on too? After researching this on the internet, I am ...
...Code P0420 is indicating a catalytic converter that is below efficiency. To repair and remove light the converter has to be replaced, but before replacement you need to make sure the engine is not ...
...resistance is high * Internal short or open in the heater element Note: Typically a failed catalytic converter does not cause this code. You're more likely to see a P0420 code for a failed
Question about 2001 Sienna
...code P0420 & 1150 what could be the problem Mine is a 2001 Sienna LE. I got the P0420 code and the dealer want to replace an engine control computer for $1600. I've found posts that say you can ...
P0420 Problem Codes Catalyst efficiency below threshold. It means your catatlytic converter is not working effectively. Make sure you have no exhaust leaks. If you have access to a scanner that can ...
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