DTC P1450:00 [L5]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSES
| DTC P1450:00 |
Unable to bleed up fuel tank vacuum |
| DETECTION CONDITION |
- P1450:00 indicates the Self Test has detected that the EVAP system is unable to bleed up fuel tank vacuum.
Diagnostic support note
- This is an intermittent monitor (EVAP system).
- The MIL illuminates if the PCM detects the above malfunction conditions in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
- PENDING CODE is available if the PCM detects the above malfunction condition during first drive cycle.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- Excessive fuel tank vacuum
- Kinks or bends in the fuel vapor hoses and tubes
- Charcoal canister inlet port, CV solenoid valve, EVAP dust separator or outlet hose for contamination or foreign material
- CV solenoid valve malfunction
- Fuel tank pressure sensor malfunction
- PCM malfunction
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