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ORIGINAL: beast4192
My car is throwing the same code. So far i have replaced, the evap solenoid, and the gas cap but it is still throwing the same code.
A code 31 can be any of the following:
P0441 EVAP Purge Flow Monitor Failure
P0442 EVAP Monitor Small Leak Detected
P0443 EVAP Purge Solenoid Circuit
P0455 EVAP Monitor Large Leak
P1486 EVAP Monitor Pinched Hose Found
P1494 Leak Detection Pump Switch Or Mechanical Fault
P1495 Leak Detection Pump Solenoid Circuit
Find out which problem you have by getting the car scanned at getting the "P" code.