This is the defs I have for your code.
Honda Specific Code
P1486 Thermostat Range/Performance Problem - You should be able to just follow the upper hose from the radiator to the engiine and the thermostat is right there.
P1486 Evap Leak Monitor Pinched Hose.
Which indicated that there is a colapsed vacuum line somewhere.
Friday, February 27th, 2009 AT 2:05 PM