DTC P0441: Notes
DTC P0441 DETECTION & CONDITION POSSIBLE CAUSES
| DTC P0441 |
EVAP system Incorrect purge flow |
| DETECTION CONDITION |
- The PCM monitors the purge line vacuum, when the following conditions are met. If the vacuum between the charcoal canister and the intake manifold does not reach the specification, the PCM determines that the EVAP system purge flow is incorrect.
MONITORING CONDITION
- Vehicle speed: 70.1-130 km/h {43.5-81.2 mph}
- Engine speed: 1,200-4,000 rpm
- Throttle valve opening angle: 10.2-27.7%
(changes by engine speed)
Diagnostic support note
- This is an intermittent monitor (EVAP system).
- The MIL illuminates if the PCM detects the 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.
|
| POSSIBLE CAUSE |
- Purge solenoid valve malfunction
- Clogging EVAP system
- Leakage EVAP system
- EVAP system leak detection pump malfunction
- APP sensor malfunction
- Eccentric shaft position sensor malfunction
- PCM malfunction
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