DTC P0441: Notes
DETECTION CONDITION AND POSSIBLE CAUSE (DTC P0441)
| DTC P0441 |
Evaporative emission control system incorrect purge flow |
| DETECTION CONDITION |
- PCM measures the purge line pressure, which is the vacuum when a following condition. If vacuum between charcoal canister and intake manifold does not reach the specified, PCM determines that the EVAP system has clogging.
Monitoring condition
- Engine speed: 1,500-3,500 rpm
- Throttle opening angle: 11-20%
- Vehicle speed: 69.5-136 km/h {43.2-84.5 mph} [MT]/34.5-136 km/h {21.4-84.5 mph} [AT]
Diagnostic support note
- This is an intermittent monitor (Evaporative system).
- The MIL illuminates if the PCM detects above malfunction condition 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 the first drive cycle.
- FREEZE FRAME DATA is available.
- The DTC is stored in the PCM memory.
- DIAGNOSTIC MONITORING TEST RESULT is available.
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| POSSIBLE CAUSE |
- Purge solenoid valve malfunction
- Evaporative emission system leak detection pump malfunction
- Charcoal canister malfunction
- EVAP hose damaged or loose
- EVAP pipe damaged
- PCM malfunction
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