Question about 1999 Kia Sportage
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Posted on Jan 02, 2017
SOURCE: codes po452 and po453
both codes point to the fuel tank evap pressure sensor. High and low input faults.
Try clearing the codes first and seeing if they come back
You may have a vacuum leak, cracked or open vacuum line or faulty sensor.
Posted on Dec 21, 2009
remove the thermostat and see if it still does the same. if it does, then you have a blown head gasket or a cracked head. if the temperature stays low without a thermostat and it does not throw coolant out then replace the thermostat with a new one.
Posted on Mar 05, 2013
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