I recently took my car to a mechanic to see what was wrong with it and they gave me the codes for things wrong but couldn't do anything else. The codes were : po-700,po-720,po-730,po-740,po-780. Also, they said something about the sensor circuit and solenoid circuit.
You can't fix these types of complex electronic engine control problems without special equipment.
SOURCE: 2000 Honda Accord EGR Valve Error P0401
Jason,
-after you change the part you have to reset/clear the code
-this can be done by either:
(1) using the OBD2 code reader that Autozone used OR since option 2 (below) is very quick
(2) disconnecting the battery for about 30 seconds (this will delete
all codes/radio presets/etc) but it will also clear the 'check engine'
code
-this is what I do AFTER i write down my radio station presets :)
-hopefully the new EGR valve resolves your issue after you CLEAR the code
...but that code just means a an insufficient amount of Exhaust Gas
recirculation (pressure difference) used to keep the emissions in check
-if it comes back, then there are a few other fixes to try also
-let me know if you need further assistance
-please remember to rate me `fix-ya`if it works
thanks
SOURCE: 2000 honda accord lx will not start. Suspect the
Replace the starter.. The solenoid is built in..
SOURCE: Car Idles Hot Temp
I don't know how the above could have any effect on temperature. Is the vehicle full of coolant? In my opinion you have two different issues
SOURCE: error code erased whith a smartbox
it could just be a slack cable that needs sorting, or maybe you have struck it lucky and its just warning you to stress you out sometimes the way a woman dose, weithout seeing the error for my own eyes its difficult you may just be fine
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