P1655 BUICK EVAP Purge Solenoid Control Circuit
Possible causes – Faulty EVAP Purge Solenoid– EVAP Purge Solenoid harness is open or shorted– EVAP Purge Solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1655 BUICK Description The Powertrain Control Module