Will check engine light automatically turn off after PO440, PO441 and PO446 codes are fixed?
My 2003 Toyota Corolla CE has the check engine light on caused by the codes PO440, PO441 and PO446. I did several repairs and was wondering if the check engine light will automatically go out if the repairs are successful or do I need to reset the check engine light and wait to see if it comes back on.
make it go off by using one of these tools, check and "RESET CODES" ~
a simpler way to wipe the codes is to disconnect the battery for 15 -30 minutes. the car will have the codes and engine light on till the compuiter is fully reset. so disconnecting its power source for that amount of time reboots the system.
Usually it will go off after driving about 50 miles with no issues
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