DTC P0441: Notes
DTC P0441 DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0441 |
Evaporative emission control system incorrect purge flow |
| DETECTION CONDITION |
- PCM measures the purge line pressure under the following conditions. If the vacuum between the charcoal canister and the intake manifold does not reach the specification, PCM determines that the EVAP system is clogged.
MONITORING CONDITION
- Engine speed: 1, 00-3, 00 RPM
- Vehicle speed: 53-136 km/h {32.9-84.5 mph}
Diagnostic support note
- This is an intermittent monitor (Evaporative emission system).
- 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.
- 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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