DTC P1450 - EVAP System, Leak Down: Condition
WARNING: This page is about a different car, the 1997 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when ECM detects malfunction in EVAP system. Possible causes are:
- Stuck Canister Drain Cut Valve (CDCV) malfunction.
- Damage, leakage or clogging in EVAP system hoses.