Definition of error code
Evap leak detection pump pressure switch condition
Explanation
ECM detected the leak detection pump switch did change after solenoid was energized
Probable Cause
1.-Leak detection pump defective
2.-Open or shorted circuit condition
3. Solenoid defective
http://halac.freeshell.org/ldp.jpg
The above link will give a picture of the port what we were talking about.
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