how I know that the Heater core is bad and I need Change
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I got a code from actron diagnostic scanner (P0440)auxiliary emissions controls. What is this?
1999 Toyota Corolla, 1.8L 4 Cylinder, Visitor, Cherry Hill, NJ, October 16, 2010, 19:34
The dash lights that light up the heater control and fan knob in my 1999 toyota corolla burned ou...