P1494 Buick EVAP Leak Detection Pump Pressure Switch Condition
Possible causes
– Leak Detection Pump (LDP) harness is open or shorted
– Leak Detection Pump (LDP) poor electrical connection
– Faulty Leak Detection Pump (LDP)
– Leak Detection Pump (LDP) poor electrical connection
– Faulty Leak Detection Pump (LDP)
What about the obd code?
Malfunction is detected when the Powertrain Control Module (PCM) detected the leak detection pump switch did not change after the solenoid was energized
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Possible a noticeable fuel odor caused by the release of fuel vapors
– Possible a noticeable fuel odor caused by the release of fuel vapors
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera