Dtc P0441 [13B-Msp] - Mazda RX-8 Workshop Manual

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2011 - RX-8 - Engine

DTC P0441 [13B-MSP]

DTC P0441 EVAP system incorrect purge flow
DETECTION
CONDITION
POSSIBLE
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 CONDITIONS
Vehicle speed: 70.1—130 km/h {43.5—80.8 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 (Mode 2/Mode 12) is available.
The DTC is stored in the PCM memory.
Blockage in EVAP system
EVAP hose damaged or loose
EVAP pipe damaged
Catch tank malfunction
Charcoal canister malfunction